*/
#include <stdbool.h>
+#include <inttypes.h> /* for PRId64 macro */
+#include "util/debug.h"
#include "glheader.h"
#include "enums.h"
#include "hash.h"
-#include "imports.h"
-#include "image.h"
+#include "util/imports.h"
#include "context.h"
#include "bufferobj.h"
-#include "fbobject.h"
+#include "externalobjects.h"
#include "mtypes.h"
-#include "texobj.h"
#include "teximage.h"
#include "glformats.h"
#include "texstore.h"
#include "transformfeedback.h"
-#include "dispatch.h"
+#include "varray.h"
+#include "util/u_atomic.h"
/* Debug flags */
/*#define BOUNDS_CHECK*/
+/**
+ * We count the number of buffer modification calls to check for
+ * inefficient buffer use. This is the number of such calls before we
+ * issue a warning.
+ */
+#define BUFFER_WARNING_CALL_COUNT 4
+
+
+/**
+ * Helper to warn of possible performance issues, such as frequently
+ * updating a buffer created with GL_STATIC_DRAW. Called via the macro
+ * below.
+ */
+static void
+buffer_usage_warning(struct gl_context *ctx, GLuint *id, const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ _mesa_gl_vdebugf(ctx, id,
+ MESA_DEBUG_SOURCE_API,
+ MESA_DEBUG_TYPE_PERFORMANCE,
+ MESA_DEBUG_SEVERITY_MEDIUM,
+ fmt, args);
+ va_end(args);
+}
+
+#define BUFFER_USAGE_WARNING(CTX, FMT, ...) \
+ do { \
+ static GLuint id = 0; \
+ buffer_usage_warning(CTX, &id, FMT, ##__VA_ARGS__); \
+ } while (0)
+
+
/**
* Used as a placeholder for buffer objects between glGenBuffers() and
* glBindBuffer() so that glIsBuffer() can work correctly.
static inline struct gl_buffer_object **
get_buffer_target(struct gl_context *ctx, GLenum target)
{
- /* Other targets are only supported in desktop OpenGL and OpenGL ES 3.0.
- */
- if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)
- && target != GL_ARRAY_BUFFER && target != GL_ELEMENT_ARRAY_BUFFER)
- return NULL;
+ /* Other targets are only supported in desktop OpenGL and OpenGL ES 3.0. */
+ if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)) {
+ switch (target) {
+ case GL_ARRAY_BUFFER:
+ case GL_ELEMENT_ARRAY_BUFFER:
+ break;
+ case GL_PIXEL_PACK_BUFFER:
+ case GL_PIXEL_UNPACK_BUFFER:
+ if (!ctx->Extensions.EXT_pixel_buffer_object)
+ return NULL;
+ break;
+ default:
+ return NULL;
+ }
+ }
switch (target) {
case GL_ARRAY_BUFFER_ARB:
+ if (ctx->Array.ArrayBufferObj)
+ ctx->Array.ArrayBufferObj->UsageHistory |= USAGE_ARRAY_BUFFER;
return &ctx->Array.ArrayBufferObj;
case GL_ELEMENT_ARRAY_BUFFER_ARB:
+ if (ctx->Array.VAO->IndexBufferObj)
+ ctx->Array.VAO->IndexBufferObj->UsageHistory
+ |= USAGE_ELEMENT_ARRAY_BUFFER;
return &ctx->Array.VAO->IndexBufferObj;
case GL_PIXEL_PACK_BUFFER_EXT:
return &ctx->Pack.BufferObj;
return &ctx->CopyReadBuffer;
case GL_COPY_WRITE_BUFFER:
return &ctx->CopyWriteBuffer;
+ case GL_QUERY_BUFFER:
+ if (_mesa_has_ARB_query_buffer_object(ctx))
+ return &ctx->QueryBuffer;
+ break;
case GL_DRAW_INDIRECT_BUFFER:
- if (ctx->API == API_OPENGL_CORE &&
- ctx->Extensions.ARB_draw_indirect) {
+ if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_draw_indirect) ||
+ _mesa_is_gles31(ctx)) {
return &ctx->DrawIndirectBuffer;
}
break;
+ case GL_PARAMETER_BUFFER_ARB:
+ if (_mesa_has_ARB_indirect_parameters(ctx)) {
+ return &ctx->ParameterBuffer;
+ }
+ break;
+ case GL_DISPATCH_INDIRECT_BUFFER:
+ if (_mesa_has_compute_shaders(ctx)) {
+ return &ctx->DispatchIndirectBuffer;
+ }
+ break;
case GL_TRANSFORM_FEEDBACK_BUFFER:
if (ctx->Extensions.EXT_transform_feedback) {
return &ctx->TransformFeedback.CurrentBuffer;
}
break;
case GL_TEXTURE_BUFFER:
- if (ctx->API == API_OPENGL_CORE &&
- ctx->Extensions.ARB_texture_buffer_object) {
+ if (_mesa_has_ARB_texture_buffer_object(ctx) ||
+ _mesa_has_OES_texture_buffer(ctx)) {
return &ctx->Texture.BufferObject;
}
break;
return &ctx->UniformBuffer;
}
break;
+ case GL_SHADER_STORAGE_BUFFER:
+ if (ctx->Extensions.ARB_shader_storage_buffer_object) {
+ return &ctx->ShaderStorageBuffer;
+ }
+ break;
case GL_ATOMIC_COUNTER_BUFFER:
if (ctx->Extensions.ARB_shader_atomic_counters) {
return &ctx->AtomicBuffer;
}
break;
+ case GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD:
+ if (ctx->Extensions.AMD_pinned_memory) {
+ return &ctx->ExternalVirtualMemoryBuffer;
+ }
+ break;
default:
return NULL;
}
return NULL;
}
- if (!_mesa_is_bufferobj(*bufObj)) {
+ if (!*bufObj) {
_mesa_error(ctx, error, "%s(no buffer bound)", func);
return NULL;
}
* \c glClearBufferSubData.
*
* \param ctx GL context.
- * \param target Buffer object target on which to operate.
+ * \param bufObj The buffer object.
* \param offset Offset of the first byte of the subdata range.
* \param size Size, in bytes, of the subdata range.
* \param mappedRange If true, checks if an overlapping range is mapped.
* If false, checks if buffer is mapped.
- * \param errorNoBuffer Error code if no buffer is bound to target.
* \param caller Name of calling function for recording errors.
- * \return A pointer to the buffer object bound to \c target in the
- * specified context or \c NULL if any of the parameter or state
- * conditions are invalid.
+ * \return false if error, true otherwise
*
* \sa glBufferSubDataARB, glGetBufferSubDataARB, glClearBufferSubData
*/
-static struct gl_buffer_object *
-buffer_object_subdata_range_good(struct gl_context * ctx, GLenum target,
- GLintptrARB offset, GLsizeiptrARB size,
- bool mappedRange, GLenum errorNoBuffer,
- const char *caller)
+static bool
+buffer_object_subdata_range_good(struct gl_context *ctx,
+ const struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size,
+ bool mappedRange, const char *caller)
{
- struct gl_buffer_object *bufObj;
-
if (size < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(size < 0)", caller);
- return NULL;
+ return false;
}
if (offset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(offset < 0)", caller);
- return NULL;
+ return false;
}
- bufObj = get_buffer(ctx, caller, target, errorNoBuffer);
- if (!bufObj)
- return NULL;
-
if (offset + size > bufObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
"%s(offset %lu + size %lu > buffer size %lu)", caller,
(unsigned long) offset,
(unsigned long) size,
(unsigned long) bufObj->Size);
- return NULL;
+ return false;
}
if (bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_PERSISTENT_BIT)
- return bufObj;
+ return true;
if (mappedRange) {
if (bufferobj_range_mapped(bufObj, offset, size)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
- return NULL;
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(range is mapped without persistent bit)",
+ caller);
+ return false;
}
}
else {
if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
- return NULL;
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer is mapped without persistent bit)",
+ caller);
+ return false;
}
}
- return bufObj;
+ return true;
}
/**
* Test the format and type parameters and set the GL error code for
- * \c glClearBufferData and \c glClearBufferSubData.
+ * \c glClearBufferData, \c glClearNamedBufferData, \c glClearBufferSubData
+ * and \c glClearNamedBufferSubData.
*
* \param ctx GL context.
* \param internalformat Format to which the data is to be converted.
* \return If internalformat, format and type are legal the mesa_format
* corresponding to internalformat, otherwise MESA_FORMAT_NONE.
*
- * \sa glClearBufferData and glClearBufferSubData
+ * \sa glClearBufferData, glClearNamedBufferData, glClearBufferSubData and
+ * glClearNamedBufferSubData.
*/
static mesa_format
validate_clear_buffer_format(struct gl_context *ctx,
}
if (!_mesa_is_color_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
+ _mesa_error(ctx, GL_INVALID_VALUE,
"%s(format is not a color format)", caller);
return MESA_FORMAT_NONE;
}
errorFormatType = _mesa_error_check_format_and_type(ctx, format, type);
if (errorFormatType != GL_NO_ERROR) {
- _mesa_error(ctx, GL_INVALID_ENUM,
+ _mesa_error(ctx, GL_INVALID_VALUE,
"%s(invalid format or type)", caller);
return MESA_FORMAT_NONE;
}
/**
* Allocate and initialize a new buffer object.
- *
+ *
* Default callback for the \c dd_function_table::NewBufferObject() hook.
*/
static struct gl_buffer_object *
-_mesa_new_buffer_object( struct gl_context *ctx, GLuint name, GLenum target )
+_mesa_new_buffer_object(struct gl_context *ctx, GLuint name)
{
- struct gl_buffer_object *obj;
-
- (void) ctx;
+ struct gl_buffer_object *obj = MALLOC_STRUCT(gl_buffer_object);
+ if (!obj)
+ return NULL;
- obj = MALLOC_STRUCT(gl_buffer_object);
- _mesa_initialize_buffer_object(ctx, obj, name, target);
+ _mesa_initialize_buffer_object(ctx, obj, name);
return obj;
}
/**
* Delete a buffer object.
- *
+ *
* Default callback for the \c dd_function_table::DeleteBuffer() hook.
*/
-static void
+void
_mesa_delete_buffer_object(struct gl_context *ctx,
struct gl_buffer_object *bufObj)
{
(void) ctx;
+ vbo_delete_minmax_cache(bufObj);
_mesa_align_free(bufObj->Data);
/* assign strange values here to help w/ debugging */
bufObj->RefCount = -1000;
bufObj->Name = ~0;
- mtx_destroy(&bufObj->Mutex);
+ simple_mtx_destroy(&bufObj->MinMaxCacheMutex);
free(bufObj->Label);
free(bufObj);
}
{
if (*ptr) {
/* Unreference the old buffer */
- GLboolean deleteFlag = GL_FALSE;
struct gl_buffer_object *oldObj = *ptr;
- mtx_lock(&oldObj->Mutex);
- ASSERT(oldObj->RefCount > 0);
- oldObj->RefCount--;
-#if 0
- printf("BufferObj %p %d DECR to %d\n",
- (void *) oldObj, oldObj->Name, oldObj->RefCount);
-#endif
- deleteFlag = (oldObj->RefCount == 0);
- mtx_unlock(&oldObj->Mutex);
-
- if (deleteFlag) {
-
- /* some sanity checking: don't delete a buffer still in use */
-#if 0
- /* unfortunately, these tests are invalid during context tear-down */
- ASSERT(ctx->Array.ArrayBufferObj != bufObj);
- ASSERT(ctx->Array.VAO->IndexBufferObj != bufObj);
- ASSERT(ctx->Array.VAO->Vertex.BufferObj != bufObj);
-#endif
-
- ASSERT(ctx->Driver.DeleteBuffer);
+ if (p_atomic_dec_zero(&oldObj->RefCount)) {
+ assert(ctx->Driver.DeleteBuffer);
ctx->Driver.DeleteBuffer(ctx, oldObj);
}
*ptr = NULL;
}
- ASSERT(!*ptr);
+ assert(!*ptr);
if (bufObj) {
/* reference new buffer */
- mtx_lock(&bufObj->Mutex);
- if (bufObj->RefCount == 0) {
- /* this buffer's being deleted (look just above) */
- /* Not sure this can every really happen. Warn if it does. */
- _mesa_problem(NULL, "referencing deleted buffer object");
- *ptr = NULL;
- }
- else {
- bufObj->RefCount++;
-#if 0
- printf("BufferObj %p %d INCR to %d\n",
- (void *) bufObj, bufObj->Name, bufObj->RefCount);
-#endif
- *ptr = bufObj;
- }
- mtx_unlock(&bufObj->Mutex);
+ p_atomic_inc(&bufObj->RefCount);
+ *ptr = bufObj;
+ }
+}
+
+
+/**
+ * Get the value of MESA_NO_MINMAX_CACHE.
+ */
+static bool
+get_no_minmax_cache()
+{
+ static bool read = false;
+ static bool disable = false;
+
+ if (!read) {
+ disable = env_var_as_boolean("MESA_NO_MINMAX_CACHE", false);
+ read = true;
}
+
+ return disable;
}
* Initialize a buffer object to default values.
*/
void
-_mesa_initialize_buffer_object( struct gl_context *ctx,
- struct gl_buffer_object *obj,
- GLuint name, GLenum target )
+_mesa_initialize_buffer_object(struct gl_context *ctx,
+ struct gl_buffer_object *obj,
+ GLuint name)
{
- (void) target;
-
memset(obj, 0, sizeof(struct gl_buffer_object));
- mtx_init(&obj->Mutex, mtx_plain);
obj->RefCount = 1;
obj->Name = name;
obj->Usage = GL_STATIC_DRAW_ARB;
+
+ simple_mtx_init(&obj->MinMaxCacheMutex, mtx_plain);
+ if (get_no_minmax_cache())
+ obj->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
}
(const struct gl_buffer_object *) data;
GLuint *total = (GLuint *) userData;
+ (void) key;
*total = *total + bufObj->Size;
}
* \sa glBufferDataARB, dd_function_table::BufferData.
*/
static GLboolean
-_mesa_buffer_data( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
- const GLvoid * data, GLenum usage, GLenum storageFlags,
- struct gl_buffer_object * bufObj )
+buffer_data_fallback(struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
+ const GLvoid *data, GLenum usage, GLenum storageFlags,
+ struct gl_buffer_object *bufObj)
{
void * new_data;
* \sa glBufferSubDataARB, dd_function_table::BufferSubData.
*/
static void
-_mesa_buffer_subdata( struct gl_context *ctx, GLintptrARB offset,
- GLsizeiptrARB size, const GLvoid * data,
- struct gl_buffer_object * bufObj )
+buffer_sub_data_fallback(struct gl_context *ctx, GLintptrARB offset,
+ GLsizeiptrARB size, const GLvoid *data,
+ struct gl_buffer_object *bufObj)
{
(void) ctx;
/* this should have been caught in _mesa_BufferSubData() */
- ASSERT(size + offset <= bufObj->Size);
+ assert(size + offset <= bufObj->Size);
if (bufObj->Data) {
memcpy( (GLubyte *) bufObj->Data + offset, data, size );
* \sa glBufferGetSubDataARB, dd_function_table::GetBufferSubData.
*/
static void
-_mesa_buffer_get_subdata( struct gl_context *ctx, GLintptrARB offset,
- GLsizeiptrARB size, GLvoid * data,
- struct gl_buffer_object * bufObj )
+buffer_get_subdata(struct gl_context *ctx, GLintptrARB offset,
+ GLsizeiptrARB size, GLvoid *data,
+ struct gl_buffer_object *bufObj )
{
(void) ctx;
* dd_function_table::ClearBufferSubData.
*/
void
-_mesa_buffer_clear_subdata(struct gl_context *ctx,
- GLintptr offset, GLsizeiptr size,
- const GLvoid *clearValue,
- GLsizeiptr clearValueSize,
- struct gl_buffer_object *bufObj)
+_mesa_ClearBufferSubData_sw(struct gl_context *ctx,
+ GLintptr offset, GLsizeiptr size,
+ const GLvoid *clearValue,
+ GLsizeiptr clearValueSize,
+ struct gl_buffer_object *bufObj)
{
GLsizeiptr i;
GLubyte *dest;
- ASSERT(ctx->Driver.MapBufferRange);
+ assert(ctx->Driver.MapBufferRange);
dest = ctx->Driver.MapBufferRange(ctx, offset, size,
GL_MAP_WRITE_BIT |
GL_MAP_INVALIDATE_RANGE_BIT,
* Called via glMapBufferRange().
*/
static void *
-_mesa_buffer_map_range( struct gl_context *ctx, GLintptr offset,
- GLsizeiptr length, GLbitfield access,
- struct gl_buffer_object *bufObj,
- gl_map_buffer_index index)
+map_buffer_range_fallback(struct gl_context *ctx, GLintptr offset,
+ GLsizeiptr length, GLbitfield access,
+ struct gl_buffer_object *bufObj,
+ gl_map_buffer_index index)
{
(void) ctx;
assert(!_mesa_bufferobj_mapped(bufObj, index));
* Called via glFlushMappedBufferRange().
*/
static void
-_mesa_buffer_flush_mapped_range( struct gl_context *ctx,
- GLintptr offset, GLsizeiptr length,
- struct gl_buffer_object *obj,
- gl_map_buffer_index index)
+flush_mapped_buffer_range_fallback(struct gl_context *ctx,
+ GLintptr offset, GLsizeiptr length,
+ struct gl_buffer_object *obj,
+ gl_map_buffer_index index)
{
(void) ctx;
(void) offset;
(void) length;
(void) obj;
+ (void) index;
/* no-op */
}
/**
- * Default callback for \c dd_function_table::MapBuffer().
+ * Default callback for \c dd_function_table::UnmapBuffer().
*
* The input parameters will have been already tested for errors.
*
* \sa glUnmapBufferARB, dd_function_table::UnmapBuffer
*/
static GLboolean
-_mesa_buffer_unmap(struct gl_context *ctx, struct gl_buffer_object *bufObj,
- gl_map_buffer_index index)
+unmap_buffer_fallback(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ gl_map_buffer_index index)
{
(void) ctx;
/* XXX we might assert here that bufObj->Pointer is non-null */
* Called via glCopyBufferSubData().
*/
static void
-_mesa_copy_buffer_subdata(struct gl_context *ctx,
- struct gl_buffer_object *src,
- struct gl_buffer_object *dst,
- GLintptr readOffset, GLintptr writeOffset,
- GLsizeiptr size)
+copy_buffer_sub_data_fallback(struct gl_context *ctx,
+ struct gl_buffer_object *src,
+ struct gl_buffer_object *dst,
+ GLintptr readOffset, GLintptr writeOffset,
+ GLsizeiptr size)
{
GLubyte *srcPtr, *dstPtr;
GLuint i;
memset(&DummyBufferObject, 0, sizeof(DummyBufferObject));
- mtx_init(&DummyBufferObject.Mutex, mtx_plain);
+ simple_mtx_init(&DummyBufferObject.MinMaxCacheMutex, mtx_plain);
DummyBufferObject.RefCount = 1000*1000*1000; /* never delete */
- _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj,
- ctx->Shared->NullBufferObj);
-
- _mesa_reference_buffer_object(ctx, &ctx->CopyReadBuffer,
- ctx->Shared->NullBufferObj);
- _mesa_reference_buffer_object(ctx, &ctx->CopyWriteBuffer,
- ctx->Shared->NullBufferObj);
-
- _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer,
- ctx->Shared->NullBufferObj);
-
- _mesa_reference_buffer_object(ctx, &ctx->DrawIndirectBuffer,
- ctx->Shared->NullBufferObj);
-
for (i = 0; i < MAX_COMBINED_UNIFORM_BUFFERS; i++) {
_mesa_reference_buffer_object(ctx,
&ctx->UniformBufferBindings[i].BufferObject,
- ctx->Shared->NullBufferObj);
+ NULL);
ctx->UniformBufferBindings[i].Offset = -1;
ctx->UniformBufferBindings[i].Size = -1;
}
+
+ for (i = 0; i < MAX_COMBINED_SHADER_STORAGE_BUFFERS; i++) {
+ _mesa_reference_buffer_object(ctx,
+ &ctx->ShaderStorageBufferBindings[i].BufferObject,
+ NULL);
+ ctx->ShaderStorageBufferBindings[i].Offset = -1;
+ ctx->ShaderStorageBufferBindings[i].Size = -1;
+ }
+
+ for (i = 0; i < MAX_COMBINED_ATOMIC_BUFFERS; i++) {
+ _mesa_reference_buffer_object(ctx,
+ &ctx->AtomicBufferBindings[i].BufferObject,
+ NULL);
+ ctx->AtomicBufferBindings[i].Offset = 0;
+ ctx->AtomicBufferBindings[i].Size = 0;
+ }
}
_mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, NULL);
+ _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, NULL);
+
+ _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, NULL);
+
_mesa_reference_buffer_object(ctx, &ctx->DrawIndirectBuffer, NULL);
+ _mesa_reference_buffer_object(ctx, &ctx->ParameterBuffer, NULL);
+
+ _mesa_reference_buffer_object(ctx, &ctx->DispatchIndirectBuffer, NULL);
+
+ _mesa_reference_buffer_object(ctx, &ctx->QueryBuffer, NULL);
+
for (i = 0; i < MAX_COMBINED_UNIFORM_BUFFERS; i++) {
_mesa_reference_buffer_object(ctx,
&ctx->UniformBufferBindings[i].BufferObject,
NULL);
}
+
+ for (i = 0; i < MAX_COMBINED_SHADER_STORAGE_BUFFERS; i++) {
+ _mesa_reference_buffer_object(ctx,
+ &ctx->ShaderStorageBufferBindings[i].BufferObject,
+ NULL);
+ }
+
+ for (i = 0; i < MAX_COMBINED_ATOMIC_BUFFERS; i++) {
+ _mesa_reference_buffer_object(ctx,
+ &ctx->AtomicBufferBindings[i].BufferObject,
+ NULL);
+ }
+
}
bool
_mesa_handle_bind_buffer_gen(struct gl_context *ctx,
- GLenum target,
GLuint buffer,
struct gl_buffer_object **buf_handle,
const char *caller)
{
struct gl_buffer_object *buf = *buf_handle;
- if (!buf && ctx->API == API_OPENGL_CORE) {
+ if (!buf && (ctx->API == API_OPENGL_CORE)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-gen name)", caller);
return false;
}
/* If this is a new buffer object id, or one which was generated but
* never used before, allocate a buffer object now.
*/
- ASSERT(ctx->Driver.NewBufferObject);
- buf = ctx->Driver.NewBufferObject(ctx, buffer, target);
+ buf = ctx->Driver.NewBufferObject(ctx, buffer);
if (!buf) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
return false;
* Called by glBindBuffer() and other functions.
*/
static void
-bind_buffer_object(struct gl_context *ctx, GLenum target, GLuint buffer)
+bind_buffer_object(struct gl_context *ctx,
+ struct gl_buffer_object **bindTarget, GLuint buffer)
{
struct gl_buffer_object *oldBufObj;
struct gl_buffer_object *newBufObj = NULL;
- struct gl_buffer_object **bindTarget = NULL;
- bindTarget = get_buffer_target(ctx, target);
- if (!bindTarget) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target 0x%x)", target);
- return;
- }
+ assert(bindTarget);
/* Get pointer to old buffer object (to be unbound) */
oldBufObj = *bindTarget;
- if (oldBufObj && oldBufObj->Name == buffer && !oldBufObj->DeletePending)
+ if ((oldBufObj && oldBufObj->Name == buffer && !oldBufObj->DeletePending) ||
+ (!oldBufObj && buffer == 0))
return; /* rebinding the same buffer object- no change */
/*
* Get pointer to new buffer object (newBufObj)
*/
- if (buffer == 0) {
- /* The spec says there's not a buffer object named 0, but we use
- * one internally because it simplifies things.
- */
- newBufObj = ctx->Shared->NullBufferObj;
- }
- else {
+ if (buffer != 0) {
/* non-default buffer object */
newBufObj = _mesa_lookup_bufferobj(ctx, buffer);
- if (!_mesa_handle_bind_buffer_gen(ctx, target, buffer,
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
&newBufObj, "glBindBuffer"))
return;
+
+ /* record usage history */
+ if (bindTarget == &ctx->Pack.BufferObj)
+ newBufObj->UsageHistory |= USAGE_PIXEL_PACK_BUFFER;
}
-
+
/* bind new buffer */
_mesa_reference_buffer_object(ctx, bindTarget, newBufObj);
}
/**
* Update the default buffer objects in the given context to reference those
- * specified in the shared state and release those referencing the old
+ * specified in the shared state and release those referencing the old
* shared state.
*/
void
_mesa_update_default_objects_buffer_objects(struct gl_context *ctx)
{
- /* Bind the NullBufferObj to remove references to those
- * in the shared context hash table.
- */
- bind_buffer_object( ctx, GL_ARRAY_BUFFER_ARB, 0);
- bind_buffer_object( ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
- bind_buffer_object( ctx, GL_PIXEL_PACK_BUFFER_ARB, 0);
- bind_buffer_object( ctx, GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+ /* Bind 0 to remove references to those in the shared context hash table. */
+ bind_buffer_object(ctx, &ctx->Array.ArrayBufferObj, 0);
+ bind_buffer_object(ctx, &ctx->Array.VAO->IndexBufferObj, 0);
+ bind_buffer_object(ctx, &ctx->Pack.BufferObj, 0);
+ bind_buffer_object(ctx, &ctx->Unpack.BufferObj, 0);
}
struct gl_buffer_object *
_mesa_lookup_bufferobj_locked(struct gl_context *ctx, GLuint buffer)
{
- return (struct gl_buffer_object *)
- _mesa_HashLookupLocked(ctx->Shared->BufferObjects, buffer);
+ if (buffer == 0)
+ return NULL;
+ else
+ return (struct gl_buffer_object *)
+ _mesa_HashLookupLocked(ctx->Shared->BufferObjects, buffer);
}
-
-void
-_mesa_begin_bufferobj_lookups(struct gl_context *ctx)
+/**
+ * A convenience function for direct state access functions that throws
+ * GL_INVALID_OPERATION if buffer is not the name of an existing
+ * buffer object.
+ */
+struct gl_buffer_object *
+_mesa_lookup_bufferobj_err(struct gl_context *ctx, GLuint buffer,
+ const char *caller)
{
- _mesa_HashLockMutex(ctx->Shared->BufferObjects);
-}
+ struct gl_buffer_object *bufObj;
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!bufObj || bufObj == &DummyBufferObject) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(non-existent buffer object %u)", caller, buffer);
+ return NULL;
+ }
-void
-_mesa_end_bufferobj_lookups(struct gl_context *ctx)
-{
- _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+ return bufObj;
}
* of an existing buffer object.
*
* If the buffer ID refers to an existing buffer object, a pointer
- * to the buffer object is returned. If the ID is zero, a pointer
- * to the shared NullBufferObj is returned. If the ID is not zero
- * and does not refer to a valid buffer object, this function
- * returns NULL.
+ * to the buffer object is returned. If the ID is zero, NULL is returned.
+ * If the ID is not zero and does not refer to a valid buffer object, this
+ * function returns NULL.
*
* This function assumes that the caller has already locked the
- * hash table mutex by calling _mesa_begin_bufferobj_lookups().
+ * hash table mutex by calling
+ * _mesa_HashLockMutex(ctx->Shared->BufferObjects).
*/
struct gl_buffer_object *
_mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx,
const GLuint *buffers,
- GLuint index, const char *caller)
+ GLuint index, const char *caller,
+ bool *error)
{
- struct gl_buffer_object *bufObj;
+ struct gl_buffer_object *bufObj = NULL;
+
+ *error = false;
if (buffers[index] != 0) {
bufObj = _mesa_lookup_bufferobj_locked(ctx, buffers[index]);
when they don't exist. */
if (bufObj == &DummyBufferObject)
bufObj = NULL;
- } else
- bufObj = ctx->Shared->NullBufferObj;
- if (!bufObj) {
- /* The ARB_multi_bind spec says:
- *
- * "An INVALID_OPERATION error is generated if any value
- * in <buffers> is not zero or the name of an existing
- * buffer object (per binding)."
- */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(buffers[%u]=%u is not zero or the name "
- "of an existing buffer object)",
- caller, index, buffers[index]);
+ if (!bufObj) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_OPERATION error is generated if any value
+ * in <buffers> is not zero or the name of an existing
+ * buffer object (per binding)."
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffers[%u]=%u is not zero or the name "
+ "of an existing buffer object)",
+ caller, index, buffers[index]);
+ *error = true;
+ }
}
return bufObj;
*/
static void
unbind(struct gl_context *ctx,
- struct gl_buffer_object **ptr,
+ struct gl_vertex_array_object *vao, unsigned index,
struct gl_buffer_object *obj)
{
- if (*ptr == obj) {
- _mesa_reference_buffer_object(ctx, ptr, ctx->Shared->NullBufferObj);
+ if (vao->BufferBinding[index].BufferObj == obj) {
+ _mesa_bind_vertex_buffer(ctx, vao, index, NULL,
+ vao->BufferBinding[index].Offset,
+ vao->BufferBinding[index].Stride);
}
}
/* GL_ARB_vertex/pixel_buffer_object */
driver->NewBufferObject = _mesa_new_buffer_object;
driver->DeleteBuffer = _mesa_delete_buffer_object;
- driver->BufferData = _mesa_buffer_data;
- driver->BufferSubData = _mesa_buffer_subdata;
- driver->GetBufferSubData = _mesa_buffer_get_subdata;
- driver->UnmapBuffer = _mesa_buffer_unmap;
+ driver->BufferData = buffer_data_fallback;
+ driver->BufferSubData = buffer_sub_data_fallback;
+ driver->GetBufferSubData = buffer_get_subdata;
+ driver->UnmapBuffer = unmap_buffer_fallback;
/* GL_ARB_clear_buffer_object */
- driver->ClearBufferSubData = _mesa_buffer_clear_subdata;
+ driver->ClearBufferSubData = _mesa_ClearBufferSubData_sw;
/* GL_ARB_map_buffer_range */
- driver->MapBufferRange = _mesa_buffer_map_range;
- driver->FlushMappedBufferRange = _mesa_buffer_flush_mapped_range;
+ driver->MapBufferRange = map_buffer_range_fallback;
+ driver->FlushMappedBufferRange = flush_mapped_buffer_range_fallback;
/* GL_ARB_copy_buffer */
- driver->CopyBufferSubData = _mesa_copy_buffer_subdata;
+ driver->CopyBufferSubData = copy_buffer_sub_data_fallback;
}
_mesa_buffer_unmap_all_mappings(struct gl_context *ctx,
struct gl_buffer_object *bufObj)
{
- int i;
-
- for (i = 0; i < MAP_COUNT; i++) {
+ for (int i = 0; i < MAP_COUNT; i++) {
if (_mesa_bufferobj_mapped(bufObj, i)) {
ctx->Driver.UnmapBuffer(ctx, bufObj, i);
- ASSERT(bufObj->Mappings[i].Pointer == NULL);
+ assert(bufObj->Mappings[i].Pointer == NULL);
bufObj->Mappings[i].AccessFlags = 0;
}
}
/**********************************************************************/
void GLAPIENTRY
-_mesa_BindBuffer(GLenum target, GLuint buffer)
+_mesa_BindBuffer_no_error(GLenum target, GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBindBuffer(%s, %u)\n",
- _mesa_lookup_enum_by_nr(target), buffer);
-
- bind_buffer_object(ctx, target, buffer);
+ struct gl_buffer_object **bindTarget = get_buffer_target(ctx, target);
+ bind_buffer_object(ctx, bindTarget, buffer);
}
-/**
- * Delete a set of buffer objects.
- *
- * \param n Number of buffer objects to delete.
- * \param ids Array of \c n buffer object IDs.
- */
void GLAPIENTRY
-_mesa_DeleteBuffers(GLsizei n, const GLuint *ids)
+_mesa_BindBuffer(GLenum target, GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
- GLsizei i;
- FLUSH_VERTICES(ctx, 0);
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteBuffersARB(n)");
- return;
+ if (MESA_VERBOSE & VERBOSE_API) {
+ _mesa_debug(ctx, "glBindBuffer(%s, %u)\n",
+ _mesa_enum_to_string(target), buffer);
}
- mtx_lock(&ctx->Shared->Mutex);
+ struct gl_buffer_object **bindTarget = get_buffer_target(ctx, target);
+ if (!bindTarget) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target %s)",
+ _mesa_enum_to_string(target));
+ return;
+ }
- for (i = 0; i < n; i++) {
- struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, ids[i]);
- if (bufObj) {
- struct gl_vertex_array_object *vao = ctx->Array.VAO;
- GLuint j;
+ bind_buffer_object(ctx, bindTarget, buffer);
+}
- ASSERT(bufObj->Name == ids[i] || bufObj == &DummyBufferObject);
+/**
+ * Binds a buffer object to a binding point.
+ *
+ * The caller is responsible for validating the offset,
+ * flushing the vertices and updating NewDriverState.
+ */
+static void
+set_buffer_binding(struct gl_context *ctx,
+ struct gl_buffer_binding *binding,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset,
+ GLsizeiptr size,
+ bool autoSize, gl_buffer_usage usage)
+{
+ _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
- _mesa_buffer_unmap_all_mappings(ctx, bufObj);
+ binding->Offset = offset;
+ binding->Size = size;
+ binding->AutomaticSize = autoSize;
- /* unbind any vertex pointers bound to this buffer */
- for (j = 0; j < Elements(vao->VertexBinding); j++) {
- unbind(ctx, &vao->VertexBinding[j].BufferObj, bufObj);
- }
+ /* If this is a real buffer object, mark it has having been used
+ * at some point as an atomic counter buffer.
+ */
+ if (size >= 0)
+ bufObj->UsageHistory |= usage;
+}
- if (ctx->Array.ArrayBufferObj == bufObj) {
- _mesa_BindBuffer( GL_ARRAY_BUFFER_ARB, 0 );
- }
- if (vao->IndexBufferObj == bufObj) {
- _mesa_BindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
- }
+static void
+set_buffer_multi_binding(struct gl_context *ctx,
+ const GLuint *buffers,
+ int idx,
+ const char *caller,
+ struct gl_buffer_binding *binding,
+ GLintptr offset,
+ GLsizeiptr size,
+ bool range,
+ gl_buffer_usage usage)
+{
+ struct gl_buffer_object *bufObj;
- /* unbind ARB_draw_indirect binding point */
- if (ctx->DrawIndirectBuffer == bufObj) {
- _mesa_BindBuffer( GL_DRAW_INDIRECT_BUFFER, 0 );
- }
+ if (binding->BufferObject && binding->BufferObject->Name == buffers[idx])
+ bufObj = binding->BufferObject;
+ else {
+ bool error;
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, idx, caller,
+ &error);
+ if (error)
+ return;
+ }
- /* unbind ARB_copy_buffer binding points */
- if (ctx->CopyReadBuffer == bufObj) {
- _mesa_BindBuffer( GL_COPY_READ_BUFFER, 0 );
- }
- if (ctx->CopyWriteBuffer == bufObj) {
- _mesa_BindBuffer( GL_COPY_WRITE_BUFFER, 0 );
- }
+ if (!bufObj)
+ set_buffer_binding(ctx, binding, bufObj, -1, -1, !range, usage);
+ else
+ set_buffer_binding(ctx, binding, bufObj, offset, size, !range, usage);
+}
- /* unbind transform feedback binding points */
- if (ctx->TransformFeedback.CurrentBuffer == bufObj) {
- _mesa_BindBuffer( GL_TRANSFORM_FEEDBACK_BUFFER, 0 );
- }
- for (j = 0; j < MAX_FEEDBACK_BUFFERS; j++) {
- if (ctx->TransformFeedback.CurrentObject->Buffers[j] == bufObj) {
- _mesa_BindBufferBase( GL_TRANSFORM_FEEDBACK_BUFFER, j, 0 );
- }
- }
+static void
+bind_buffer(struct gl_context *ctx,
+ struct gl_buffer_binding *binding,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset,
+ GLsizeiptr size,
+ GLboolean autoSize,
+ uint64_t driver_state,
+ gl_buffer_usage usage)
+{
+ if (binding->BufferObject == bufObj &&
+ binding->Offset == offset &&
+ binding->Size == size &&
+ binding->AutomaticSize == autoSize) {
+ return;
+ }
- /* unbind UBO binding points */
- for (j = 0; j < ctx->Const.MaxUniformBufferBindings; j++) {
- if (ctx->UniformBufferBindings[j].BufferObject == bufObj) {
- _mesa_BindBufferBase( GL_UNIFORM_BUFFER, j, 0 );
- }
- }
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= driver_state;
- if (ctx->UniformBuffer == bufObj) {
- _mesa_BindBuffer( GL_UNIFORM_BUFFER, 0 );
- }
+ set_buffer_binding(ctx, binding, bufObj, offset, size, autoSize, usage);
+}
- /* unbind any pixel pack/unpack pointers bound to this buffer */
- if (ctx->Pack.BufferObj == bufObj) {
- _mesa_BindBuffer( GL_PIXEL_PACK_BUFFER_EXT, 0 );
- }
- if (ctx->Unpack.BufferObj == bufObj) {
- _mesa_BindBuffer( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
- }
+/**
+ * Binds a buffer object to a uniform buffer binding point.
+ *
+ * Unlike set_buffer_binding(), this function also flushes vertices
+ * and updates NewDriverState. It also checks if the binding
+ * has actually changed before updating it.
+ */
+static void
+bind_uniform_buffer(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset,
+ GLsizeiptr size,
+ GLboolean autoSize)
+{
+ bind_buffer(ctx, &ctx->UniformBufferBindings[index],
+ bufObj, offset, size, autoSize,
+ ctx->DriverFlags.NewUniformBuffer,
+ USAGE_UNIFORM_BUFFER);
+}
- if (ctx->Texture.BufferObject == bufObj) {
- _mesa_BindBuffer( GL_TEXTURE_BUFFER, 0 );
+/**
+ * Binds a buffer object to a shader storage buffer binding point.
+ *
+ * Unlike set_ssbo_binding(), this function also flushes vertices
+ * and updates NewDriverState. It also checks if the binding
+ * has actually changed before updating it.
+ */
+static void
+bind_shader_storage_buffer(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset,
+ GLsizeiptr size,
+ GLboolean autoSize)
+{
+ bind_buffer(ctx, &ctx->ShaderStorageBufferBindings[index],
+ bufObj, offset, size, autoSize,
+ ctx->DriverFlags.NewShaderStorageBuffer,
+ USAGE_SHADER_STORAGE_BUFFER);
+}
+
+/**
+ * Binds a buffer object to an atomic buffer binding point.
+ *
+ * Unlike set_atomic_binding(), this function also flushes vertices
+ * and updates NewDriverState. It also checks if the binding
+ * has actually changed before updating it.
+ */
+static void
+bind_atomic_buffer(struct gl_context *ctx, unsigned index,
+ struct gl_buffer_object *bufObj, GLintptr offset,
+ GLsizeiptr size, GLboolean autoSize)
+{
+ bind_buffer(ctx, &ctx->AtomicBufferBindings[index],
+ bufObj, offset, size, autoSize,
+ ctx->DriverFlags.NewAtomicBuffer,
+ USAGE_ATOMIC_COUNTER_BUFFER);
+}
+
+/**
+ * Bind a buffer object to a uniform block binding point.
+ * As above, but offset = 0.
+ */
+static void
+bind_buffer_base_uniform_buffer(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj)
+{
+ if (index >= ctx->Const.MaxUniformBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferBase(index=%d)", index);
+ return;
+ }
+
+ _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj);
+
+ if (!bufObj)
+ bind_uniform_buffer(ctx, index, bufObj, -1, -1, GL_TRUE);
+ else
+ bind_uniform_buffer(ctx, index, bufObj, 0, 0, GL_TRUE);
+}
+
+/**
+ * Bind a buffer object to a shader storage block binding point.
+ * As above, but offset = 0.
+ */
+static void
+bind_buffer_base_shader_storage_buffer(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj)
+{
+ if (index >= ctx->Const.MaxShaderStorageBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferBase(index=%d)", index);
+ return;
+ }
+
+ _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, bufObj);
+
+ if (!bufObj)
+ bind_shader_storage_buffer(ctx, index, bufObj, -1, -1, GL_TRUE);
+ else
+ bind_shader_storage_buffer(ctx, index, bufObj, 0, 0, GL_TRUE);
+}
+
+/**
+ * Bind a buffer object to a shader storage block binding point.
+ * As above, but offset = 0.
+ */
+static void
+bind_buffer_base_atomic_buffer(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj)
+{
+ if (index >= ctx->Const.MaxAtomicBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferBase(index=%d)", index);
+ return;
+ }
+
+ _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, bufObj);
+
+ if (!bufObj)
+ bind_atomic_buffer(ctx, index, bufObj, -1, -1, GL_TRUE);
+ else
+ bind_atomic_buffer(ctx, index, bufObj, 0, 0, GL_TRUE);
+}
+
+/**
+ * Delete a set of buffer objects.
+ *
+ * \param n Number of buffer objects to delete.
+ * \param ids Array of \c n buffer object IDs.
+ */
+static void
+delete_buffers(struct gl_context *ctx, GLsizei n, const GLuint *ids)
+{
+ FLUSH_VERTICES(ctx, 0);
+
+ _mesa_HashLockMutex(ctx->Shared->BufferObjects);
+
+ for (GLsizei i = 0; i < n; i++) {
+ struct gl_buffer_object *bufObj =
+ _mesa_lookup_bufferobj_locked(ctx, ids[i]);
+ if (bufObj) {
+ struct gl_vertex_array_object *vao = ctx->Array.VAO;
+ GLuint j;
+
+ assert(bufObj->Name == ids[i] || bufObj == &DummyBufferObject);
+
+ _mesa_buffer_unmap_all_mappings(ctx, bufObj);
+
+ /* unbind any vertex pointers bound to this buffer */
+ for (j = 0; j < ARRAY_SIZE(vao->BufferBinding); j++) {
+ unbind(ctx, vao, j, bufObj);
+ }
+
+ if (ctx->Array.ArrayBufferObj == bufObj) {
+ bind_buffer_object(ctx, &ctx->Array.ArrayBufferObj, 0);
+ }
+ if (vao->IndexBufferObj == bufObj) {
+ bind_buffer_object(ctx, &vao->IndexBufferObj, 0);
+ }
+
+ /* unbind ARB_draw_indirect binding point */
+ if (ctx->DrawIndirectBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->DrawIndirectBuffer, 0);
+ }
+
+ /* unbind ARB_indirect_parameters binding point */
+ if (ctx->ParameterBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->ParameterBuffer, 0);
+ }
+
+ /* unbind ARB_compute_shader binding point */
+ if (ctx->DispatchIndirectBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->DispatchIndirectBuffer, 0);
+ }
+
+ /* unbind ARB_copy_buffer binding points */
+ if (ctx->CopyReadBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->CopyReadBuffer, 0);
+ }
+ if (ctx->CopyWriteBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->CopyWriteBuffer, 0);
+ }
+
+ /* unbind transform feedback binding points */
+ if (ctx->TransformFeedback.CurrentBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->TransformFeedback.CurrentBuffer, 0);
+ }
+ for (j = 0; j < MAX_FEEDBACK_BUFFERS; j++) {
+ if (ctx->TransformFeedback.CurrentObject->Buffers[j] == bufObj) {
+ _mesa_bind_buffer_base_transform_feedback(ctx,
+ ctx->TransformFeedback.CurrentObject,
+ j, NULL, false);
+ }
+ }
+
+ /* unbind UBO binding points */
+ for (j = 0; j < ctx->Const.MaxUniformBufferBindings; j++) {
+ if (ctx->UniformBufferBindings[j].BufferObject == bufObj) {
+ bind_buffer_base_uniform_buffer(ctx, j, NULL);
+ }
+ }
+
+ if (ctx->UniformBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->UniformBuffer, 0);
+ }
+
+ /* unbind SSBO binding points */
+ for (j = 0; j < ctx->Const.MaxShaderStorageBufferBindings; j++) {
+ if (ctx->ShaderStorageBufferBindings[j].BufferObject == bufObj) {
+ bind_buffer_base_shader_storage_buffer(ctx, j, NULL);
+ }
+ }
+
+ if (ctx->ShaderStorageBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->ShaderStorageBuffer, 0);
+ }
+
+ /* unbind Atomci Buffer binding points */
+ for (j = 0; j < ctx->Const.MaxAtomicBufferBindings; j++) {
+ if (ctx->AtomicBufferBindings[j].BufferObject == bufObj) {
+ bind_buffer_base_atomic_buffer(ctx, j, NULL);
+ }
+ }
+
+ if (ctx->AtomicBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->AtomicBuffer, 0);
+ }
+
+ /* unbind any pixel pack/unpack pointers bound to this buffer */
+ if (ctx->Pack.BufferObj == bufObj) {
+ bind_buffer_object(ctx, &ctx->Pack.BufferObj, 0);
+ }
+ if (ctx->Unpack.BufferObj == bufObj) {
+ bind_buffer_object(ctx, &ctx->Unpack.BufferObj, 0);
+ }
+
+ if (ctx->Texture.BufferObject == bufObj) {
+ bind_buffer_object(ctx, &ctx->Texture.BufferObject, 0);
+ }
+
+ if (ctx->ExternalVirtualMemoryBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->ExternalVirtualMemoryBuffer, 0);
+ }
+
+ /* unbind query buffer binding point */
+ if (ctx->QueryBuffer == bufObj) {
+ bind_buffer_object(ctx, &ctx->QueryBuffer, 0);
}
/* The ID is immediately freed for re-use */
- _mesa_HashRemove(ctx->Shared->BufferObjects, ids[i]);
+ _mesa_HashRemoveLocked(ctx->Shared->BufferObjects, ids[i]);
/* Make sure we do not run into the classic ABA problem on bind.
* We don't want to allow re-binding a buffer object that's been
* "deleted" by glDeleteBuffers().
}
}
- mtx_unlock(&ctx->Shared->Mutex);
-}
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+}
+
+
+void GLAPIENTRY
+_mesa_DeleteBuffers_no_error(GLsizei n, const GLuint *ids)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ delete_buffers(ctx, n, ids);
+}
+
+
+void GLAPIENTRY
+_mesa_DeleteBuffers(GLsizei n, const GLuint *ids)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteBuffersARB(n)");
+ return;
+ }
+
+ delete_buffers(ctx, n, ids);
+}
+
+
+/**
+ * This is the implementation for glGenBuffers and glCreateBuffers. It is not
+ * exposed to the rest of Mesa to encourage the use of nameless buffers in
+ * driver internals.
+ */
+static void
+create_buffers(struct gl_context *ctx, GLsizei n, GLuint *buffers, bool dsa)
+{
+ GLuint first;
+ struct gl_buffer_object *buf;
+
+ if (!buffers)
+ return;
+
+ /*
+ * This must be atomic (generation and allocation of buffer object IDs)
+ */
+ _mesa_HashLockMutex(ctx->Shared->BufferObjects);
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->BufferObjects, n);
+
+ /* Insert the ID and pointer into the hash table. If non-DSA, insert a
+ * DummyBufferObject. Otherwise, create a new buffer object and insert
+ * it.
+ */
+ for (int i = 0; i < n; i++) {
+ buffers[i] = first + i;
+ if (dsa) {
+ assert(ctx->Driver.NewBufferObject);
+ buf = ctx->Driver.NewBufferObject(ctx, buffers[i]);
+ if (!buf) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCreateBuffers");
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+ return;
+ }
+ }
+ else
+ buf = &DummyBufferObject;
+
+ _mesa_HashInsertLocked(ctx->Shared->BufferObjects, buffers[i], buf);
+ }
+
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+}
+
+
+static void
+create_buffers_err(struct gl_context *ctx, GLsizei n, GLuint *buffers, bool dsa)
+{
+ const char *func = dsa ? "glCreateBuffers" : "glGenBuffers";
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "%s(%d)\n", func, n);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(n %d < 0)", func, n);
+ return;
+ }
+
+ create_buffers(ctx, n, buffers, dsa);
+}
+
+/**
+ * Generate a set of unique buffer object IDs and store them in \c buffers.
+ *
+ * \param n Number of IDs to generate.
+ * \param buffers Array of \c n locations to store the IDs.
+ */
+void GLAPIENTRY
+_mesa_GenBuffers_no_error(GLsizei n, GLuint *buffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ create_buffers(ctx, n, buffers, false);
+}
+
+
+void GLAPIENTRY
+_mesa_GenBuffers(GLsizei n, GLuint *buffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ create_buffers_err(ctx, n, buffers, false);
+}
+
+/**
+ * Create a set of buffer objects and store their unique IDs in \c buffers.
+ *
+ * \param n Number of IDs to generate.
+ * \param buffers Array of \c n locations to store the IDs.
+ */
+void GLAPIENTRY
+_mesa_CreateBuffers_no_error(GLsizei n, GLuint *buffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ create_buffers(ctx, n, buffers, true);
+}
+
+
+void GLAPIENTRY
+_mesa_CreateBuffers(GLsizei n, GLuint *buffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ create_buffers_err(ctx, n, buffers, true);
+}
+
+
+/**
+ * Determine if ID is the name of a buffer object.
+ *
+ * \param id ID of the potential buffer object.
+ * \return \c GL_TRUE if \c id is the name of a buffer object,
+ * \c GL_FALSE otherwise.
+ */
+GLboolean GLAPIENTRY
+_mesa_IsBuffer(GLuint id)
+{
+ struct gl_buffer_object *bufObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ bufObj = _mesa_lookup_bufferobj(ctx, id);
+
+ return bufObj && bufObj != &DummyBufferObject;
+}
+
+
+static bool
+validate_buffer_storage(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj, GLsizeiptr size,
+ GLbitfield flags, const char *func)
+{
+ if (size <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(size <= 0)", func);
+ return false;
+ }
+
+ GLbitfield valid_flags = GL_MAP_READ_BIT |
+ GL_MAP_WRITE_BIT |
+ GL_MAP_PERSISTENT_BIT |
+ GL_MAP_COHERENT_BIT |
+ GL_DYNAMIC_STORAGE_BIT |
+ GL_CLIENT_STORAGE_BIT;
+
+ if (ctx->Extensions.ARB_sparse_buffer)
+ valid_flags |= GL_SPARSE_STORAGE_BIT_ARB;
+
+ if (flags & ~valid_flags) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(invalid flag bits set)", func);
+ return false;
+ }
+
+ /* The Errors section of the GL_ARB_sparse_buffer spec says:
+ *
+ * "INVALID_VALUE is generated by BufferStorage if <flags> contains
+ * SPARSE_STORAGE_BIT_ARB and <flags> also contains any combination of
+ * MAP_READ_BIT or MAP_WRITE_BIT."
+ */
+ if (flags & GL_SPARSE_STORAGE_BIT_ARB &&
+ flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(SPARSE_STORAGE and READ/WRITE)", func);
+ return false;
+ }
+
+ if (flags & GL_MAP_PERSISTENT_BIT &&
+ !(flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT))) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(PERSISTENT and flags!=READ/WRITE)", func);
+ return false;
+ }
+
+ if (flags & GL_MAP_COHERENT_BIT && !(flags & GL_MAP_PERSISTENT_BIT)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(COHERENT and flags!=PERSISTENT)", func);
+ return false;
+ }
+
+ if (bufObj->Immutable || bufObj->HandleAllocated) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func);
+ return false;
+ }
+
+ return true;
+}
+
+
+static void
+buffer_storage(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ struct gl_memory_object *memObj, GLenum target,
+ GLsizeiptr size, const GLvoid *data, GLbitfield flags,
+ GLuint64 offset, const char *func)
+{
+ GLboolean res;
+
+ /* Unmap the existing buffer. We'll replace it now. Not an error. */
+ _mesa_buffer_unmap_all_mappings(ctx, bufObj);
+
+ FLUSH_VERTICES(ctx, 0);
+
+ bufObj->Written = GL_TRUE;
+ bufObj->Immutable = GL_TRUE;
+ bufObj->MinMaxCacheDirty = true;
+
+ if (memObj) {
+ assert(ctx->Driver.BufferDataMem);
+ res = ctx->Driver.BufferDataMem(ctx, target, size, memObj, offset,
+ GL_DYNAMIC_DRAW, bufObj);
+ }
+ else {
+ assert(ctx->Driver.BufferData);
+ res = ctx->Driver.BufferData(ctx, target, size, data, GL_DYNAMIC_DRAW,
+ flags, bufObj);
+ }
+
+ if (!res) {
+ if (target == GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD) {
+ /* Even though the interaction between AMD_pinned_memory and
+ * glBufferStorage is not described in the spec, Graham Sellers
+ * said that it should behave the same as glBufferData.
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
+ }
+ }
+}
+
+
+static ALWAYS_INLINE void
+inlined_buffer_storage(GLenum target, GLuint buffer, GLsizeiptr size,
+ const GLvoid *data, GLbitfield flags,
+ GLuint memory, GLuint64 offset,
+ bool dsa, bool mem, bool no_error, const char *func)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ struct gl_memory_object *memObj = NULL;
+
+ if (mem) {
+ if (!no_error) {
+ if (!ctx->Extensions.EXT_memory_object) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(unsupported)", func);
+ return;
+ }
+
+ /* From the EXT_external_objects spec:
+ *
+ * "An INVALID_VALUE error is generated by BufferStorageMemEXT and
+ * NamedBufferStorageMemEXT if <memory> is 0, or ..."
+ */
+ if (memory == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(memory == 0)", func);
+ }
+ }
+
+ memObj = _mesa_lookup_memory_object(ctx, memory);
+ if (!memObj)
+ return;
+
+ /* From the EXT_external_objects spec:
+ *
+ * "An INVALID_OPERATION error is generated if <memory> names a
+ * valid memory object which has no associated memory."
+ */
+ if (!no_error && !memObj->Immutable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(no associated memory)",
+ func);
+ return;
+ }
+ }
+
+ if (dsa) {
+ if (no_error) {
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ } else {
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, func);
+ if (!bufObj)
+ return;
+ }
+ } else {
+ if (no_error) {
+ struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+ bufObj = *bufObjPtr;
+ } else {
+ bufObj = get_buffer(ctx, func, target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+ }
+ }
+
+ if (no_error || validate_buffer_storage(ctx, bufObj, size, flags, func))
+ buffer_storage(ctx, bufObj, memObj, target, size, data, flags, offset, func);
+}
+
+
+void GLAPIENTRY
+_mesa_BufferStorage_no_error(GLenum target, GLsizeiptr size,
+ const GLvoid *data, GLbitfield flags)
+{
+ inlined_buffer_storage(target, 0, size, data, flags, GL_NONE, 0,
+ false, false, true, "glBufferStorage");
+}
+
+
+void GLAPIENTRY
+_mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLbitfield flags)
+{
+ inlined_buffer_storage(target, 0, size, data, flags, GL_NONE, 0,
+ false, false, false, "glBufferStorage");
+}
+
+void GLAPIENTRY
+_mesa_NamedBufferStorageEXT(GLuint buffer, GLsizeiptr size,
+ const GLvoid *data, GLbitfield flags)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glNamedBufferStorageEXT"))
+ return;
+
+ inlined_buffer_storage(GL_NONE, buffer, size, data, flags, GL_NONE, 0,
+ true, false, false, "glNamedBufferStorageEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_BufferStorageMemEXT(GLenum target, GLsizeiptr size,
+ GLuint memory, GLuint64 offset)
+{
+ inlined_buffer_storage(target, 0, size, NULL, 0, memory, offset,
+ false, true, false, "glBufferStorageMemEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_BufferStorageMemEXT_no_error(GLenum target, GLsizeiptr size,
+ GLuint memory, GLuint64 offset)
+{
+ inlined_buffer_storage(target, 0, size, NULL, 0, memory, offset,
+ false, true, true, "glBufferStorageMemEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_NamedBufferStorage_no_error(GLuint buffer, GLsizeiptr size,
+ const GLvoid *data, GLbitfield flags)
+{
+ /* In direct state access, buffer objects have an unspecified target
+ * since they are not required to be bound.
+ */
+ inlined_buffer_storage(GL_NONE, buffer, size, data, flags, GL_NONE, 0,
+ true, false, true, "glNamedBufferStorage");
+}
+
+
+void GLAPIENTRY
+_mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data,
+ GLbitfield flags)
+{
+ /* In direct state access, buffer objects have an unspecified target
+ * since they are not required to be bound.
+ */
+ inlined_buffer_storage(GL_NONE, buffer, size, data, flags, GL_NONE, 0,
+ true, false, false, "glNamedBufferStorage");
+}
+
+void GLAPIENTRY
+_mesa_NamedBufferStorageMemEXT(GLuint buffer, GLsizeiptr size,
+ GLuint memory, GLuint64 offset)
+{
+ inlined_buffer_storage(GL_NONE, buffer, size, GL_NONE, 0, memory, offset,
+ true, true, false, "glNamedBufferStorageMemEXT");
+}
+
+
+void GLAPIENTRY
+_mesa_NamedBufferStorageMemEXT_no_error(GLuint buffer, GLsizeiptr size,
+ GLuint memory, GLuint64 offset)
+{
+ inlined_buffer_storage(GL_NONE, buffer, size, GL_NONE, 0, memory, offset,
+ true, true, true, "glNamedBufferStorageMemEXT");
+}
+
+
+static ALWAYS_INLINE void
+buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage,
+ const char *func, bool no_error)
+{
+ bool valid_usage;
+
+ if (MESA_VERBOSE & VERBOSE_API) {
+ _mesa_debug(ctx, "%s(%s, %ld, %p, %s)\n",
+ func,
+ _mesa_enum_to_string(target),
+ (long int) size, data,
+ _mesa_enum_to_string(usage));
+ }
+
+ if (!no_error) {
+ if (size < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(size < 0)", func);
+ return;
+ }
+
+ switch (usage) {
+ case GL_STREAM_DRAW_ARB:
+ valid_usage = (ctx->API != API_OPENGLES);
+ break;
+ case GL_STATIC_DRAW_ARB:
+ case GL_DYNAMIC_DRAW_ARB:
+ valid_usage = true;
+ break;
+ case GL_STREAM_READ_ARB:
+ case GL_STREAM_COPY_ARB:
+ case GL_STATIC_READ_ARB:
+ case GL_STATIC_COPY_ARB:
+ case GL_DYNAMIC_READ_ARB:
+ case GL_DYNAMIC_COPY_ARB:
+ valid_usage = _mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx);
+ break;
+ default:
+ valid_usage = false;
+ break;
+ }
+
+ if (!valid_usage) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid usage: %s)", func,
+ _mesa_enum_to_string(usage));
+ return;
+ }
+
+ if (bufObj->Immutable || bufObj->HandleAllocated) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func);
+ return;
+ }
+ }
+
+ /* Unmap the existing buffer. We'll replace it now. Not an error. */
+ _mesa_buffer_unmap_all_mappings(ctx, bufObj);
+
+ FLUSH_VERTICES(ctx, 0);
+
+ bufObj->Written = GL_TRUE;
+ bufObj->MinMaxCacheDirty = true;
+
+#ifdef VBO_DEBUG
+ printf("glBufferDataARB(%u, sz %ld, from %p, usage 0x%x)\n",
+ bufObj->Name, size, data, usage);
+#endif
+
+#ifdef BOUNDS_CHECK
+ size += 100;
+#endif
+
+ assert(ctx->Driver.BufferData);
+ if (!ctx->Driver.BufferData(ctx, target, size, data, usage,
+ GL_MAP_READ_BIT |
+ GL_MAP_WRITE_BIT |
+ GL_DYNAMIC_STORAGE_BIT,
+ bufObj)) {
+ if (target == GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD) {
+ if (!no_error) {
+ /* From GL_AMD_pinned_memory:
+ *
+ * INVALID_OPERATION is generated by BufferData if <target> is
+ * EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, and the store cannot be
+ * mapped to the GPU address space.
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
+ }
+ } else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", func);
+ }
+ }
+}
+
+static void
+buffer_data_error(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLenum usage, const char *func)
+{
+ buffer_data(ctx, bufObj, target, size, data, usage, func, false);
+}
+
+static void
+buffer_data_no_error(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLenum usage, const char *func)
+{
+ buffer_data(ctx, bufObj, target, size, data, usage, func, true);
+}
+
+void
+_mesa_buffer_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLenum usage, const char *func)
+{
+ buffer_data_error(ctx, bufObj, target, size, data, usage, func);
+}
+
+void GLAPIENTRY
+_mesa_BufferData_no_error(GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLenum usage)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object **bufObj = get_buffer_target(ctx, target);
+ buffer_data_no_error(ctx, *bufObj, target, size, data, usage,
+ "glBufferData");
+}
+
+void GLAPIENTRY
+_mesa_BufferData(GLenum target, GLsizeiptr size,
+ const GLvoid *data, GLenum usage)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glBufferData", target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ _mesa_buffer_data(ctx, bufObj, target, size, data, usage,
+ "glBufferData");
+}
+
+void GLAPIENTRY
+_mesa_NamedBufferData_no_error(GLuint buffer, GLsizeiptr size,
+ const GLvoid *data, GLenum usage)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ buffer_data_no_error(ctx, bufObj, GL_NONE, size, data, usage,
+ "glNamedBufferData");
+}
+
+void GLAPIENTRY
+_mesa_NamedBufferData(GLuint buffer, GLsizeiptr size, const GLvoid *data,
+ GLenum usage)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glNamedBufferData");
+ if (!bufObj)
+ return;
+ /* In direct state access, buffer objects have an unspecified target since
+ * they are not required to be bound.
+ */
+ _mesa_buffer_data(ctx, bufObj, GL_NONE, size, data, usage,
+ "glNamedBufferData");
+}
-/**
- * Generate a set of unique buffer object IDs and store them in \c buffer.
- *
- * \param n Number of IDs to generate.
- * \param buffer Array of \c n locations to store the IDs.
- */
void GLAPIENTRY
-_mesa_GenBuffers(GLsizei n, GLuint *buffer)
+_mesa_NamedBufferDataEXT(GLuint buffer, GLsizeiptr size, const GLvoid *data,
+ GLenum usage)
{
GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- GLint i;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glGenBuffers(%d)\n", n);
+ struct gl_buffer_object *bufObj;
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenBuffersARB");
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glNamedBufferDataEXT(buffer=0)");
return;
}
- if (!buffer) {
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glNamedBufferDataEXT"))
return;
- }
- /*
- * This must be atomic (generation and allocation of buffer object IDs)
- */
- mtx_lock(&ctx->Shared->Mutex);
+ _mesa_buffer_data(ctx, bufObj, GL_NONE, size, data, usage,
+ "glNamedBufferDataEXT");
+}
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->BufferObjects, n);
+static bool
+validate_buffer_sub_data(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size,
+ const char *func)
+{
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size,
+ true, func)) {
+ /* error already recorded */
+ return false;
+ }
+
+ if (bufObj->Immutable &&
+ !(bufObj->StorageFlags & GL_DYNAMIC_STORAGE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
+ return false;
+ }
- /* Insert the ID and pointer to dummy buffer object into hash table */
- for (i = 0; i < n; i++) {
- _mesa_HashInsert(ctx->Shared->BufferObjects, first + i,
- &DummyBufferObject);
- buffer[i] = first + i;
+ if ((bufObj->Usage == GL_STATIC_DRAW ||
+ bufObj->Usage == GL_STATIC_COPY) &&
+ bufObj->NumSubDataCalls >= BUFFER_WARNING_CALL_COUNT - 1) {
+ /* If the application declared the buffer as static draw/copy or stream
+ * draw, it should not be frequently modified with glBufferSubData.
+ */
+ BUFFER_USAGE_WARNING(ctx,
+ "using %s(buffer %u, offset %u, size %u) to "
+ "update a %s buffer",
+ func, bufObj->Name, offset, size,
+ _mesa_enum_to_string(bufObj->Usage));
}
- mtx_unlock(&ctx->Shared->Mutex);
+ return true;
}
/**
- * Determine if ID is the name of a buffer object.
- *
- * \param id ID of the potential buffer object.
- * \return \c GL_TRUE if \c id is the name of a buffer object,
- * \c GL_FALSE otherwise.
+ * Implementation for glBufferSubData and glNamedBufferSubData.
+ *
+ * \param ctx GL context.
+ * \param bufObj The buffer object.
+ * \param offset Offset of the first byte of the subdata range.
+ * \param size Size, in bytes, of the subdata range.
+ * \param data The data store.
+ * \param func Name of calling function for recording errors.
+ *
*/
-GLboolean GLAPIENTRY
-_mesa_IsBuffer(GLuint id)
+void
+_mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size, const GLvoid *data)
{
- struct gl_buffer_object *bufObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+ if (size == 0)
+ return;
- mtx_lock(&ctx->Shared->Mutex);
- bufObj = _mesa_lookup_bufferobj(ctx, id);
- mtx_unlock(&ctx->Shared->Mutex);
+ bufObj->NumSubDataCalls++;
+ bufObj->Written = GL_TRUE;
+ bufObj->MinMaxCacheDirty = true;
- return bufObj && bufObj != &DummyBufferObject;
+ assert(ctx->Driver.BufferSubData);
+ ctx->Driver.BufferSubData(ctx, offset, size, data, bufObj);
}
-void GLAPIENTRY
-_mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
- GLbitfield flags)
+static ALWAYS_INLINE void
+buffer_sub_data(GLenum target, GLuint buffer, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data,
+ bool dsa, bool no_error, const char *func)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- if (size <= 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(size <= 0)");
- return;
- }
-
- if (flags & ~(GL_MAP_READ_BIT |
- GL_MAP_WRITE_BIT |
- GL_MAP_PERSISTENT_BIT |
- GL_MAP_COHERENT_BIT |
- GL_DYNAMIC_STORAGE_BIT |
- GL_CLIENT_STORAGE_BIT)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags)");
- return;
- }
-
- if (flags & GL_MAP_PERSISTENT_BIT &&
- !(flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT))) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags!=READ/WRITE)");
- return;
- }
-
- if (flags & GL_MAP_COHERENT_BIT && !(flags & GL_MAP_PERSISTENT_BIT)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags!=PERSISTENT)");
- return;
+ if (dsa) {
+ if (no_error) {
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ } else {
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, func);
+ if (!bufObj)
+ return;
+ }
+ } else {
+ if (no_error) {
+ struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+ bufObj = *bufObjPtr;
+ } else {
+ bufObj = get_buffer(ctx, func, target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+ }
}
- bufObj = get_buffer(ctx, "glBufferStorage", target, GL_INVALID_OPERATION);
- if (!bufObj)
- return;
+ if (no_error || validate_buffer_sub_data(ctx, bufObj, offset, size, func))
+ _mesa_buffer_sub_data(ctx, bufObj, offset, size, data);
+}
- if (bufObj->Immutable) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferStorage(immutable)");
- return;
- }
- /* Unmap the existing buffer. We'll replace it now. Not an error. */
- _mesa_buffer_unmap_all_mappings(ctx, bufObj);
+void GLAPIENTRY
+_mesa_BufferSubData_no_error(GLenum target, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data)
+{
+ buffer_sub_data(target, 0, offset, size, data, false, true,
+ "glBufferSubData");
+}
- FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT);
- bufObj->Written = GL_TRUE;
- bufObj->Immutable = GL_TRUE;
+void GLAPIENTRY
+_mesa_BufferSubData(GLenum target, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data)
+{
+ buffer_sub_data(target, 0, offset, size, data, false, false,
+ "glBufferSubData");
+}
- ASSERT(ctx->Driver.BufferData);
- if (!ctx->Driver.BufferData(ctx, target, size, data, GL_DYNAMIC_DRAW,
- flags, bufObj)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferStorage()");
- }
+void GLAPIENTRY
+_mesa_NamedBufferSubData_no_error(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data)
+{
+ buffer_sub_data(0, buffer, offset, size, data, true, true,
+ "glNamedBufferSubData");
}
+void GLAPIENTRY
+_mesa_NamedBufferSubData(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data)
+{
+ buffer_sub_data(0, buffer, offset, size, data, true, false,
+ "glNamedBufferSubData");
+}
void GLAPIENTRY
-_mesa_BufferData(GLenum target, GLsizeiptrARB size,
- const GLvoid * data, GLenum usage)
+_mesa_NamedBufferSubDataEXT(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- bool valid_usage;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBufferData(%s, %ld, %p, %s)\n",
- _mesa_lookup_enum_by_nr(target),
- (long int) size, data,
- _mesa_lookup_enum_by_nr(usage));
- if (size < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBufferDataARB(size < 0)");
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glNamedBufferSubDataEXT(buffer=0)");
return;
}
- switch (usage) {
- case GL_STREAM_DRAW_ARB:
- valid_usage = (ctx->API != API_OPENGLES);
- break;
-
- case GL_STATIC_DRAW_ARB:
- case GL_DYNAMIC_DRAW_ARB:
- valid_usage = true;
- break;
-
- case GL_STREAM_READ_ARB:
- case GL_STREAM_COPY_ARB:
- case GL_STATIC_READ_ARB:
- case GL_STATIC_COPY_ARB:
- case GL_DYNAMIC_READ_ARB:
- case GL_DYNAMIC_COPY_ARB:
- valid_usage = _mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx);
- break;
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glNamedBufferSubDataEXT"))
+ return;
- default:
- valid_usage = false;
- break;
+ if (validate_buffer_sub_data(ctx, bufObj, offset, size,
+ "glNamedBufferSubDataEXT")) {
+ _mesa_buffer_sub_data(ctx, bufObj, offset, size, data);
}
+}
- if (!valid_usage) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBufferData(usage)");
- return;
- }
- bufObj = get_buffer(ctx, "glBufferDataARB", target, GL_INVALID_OPERATION);
+void GLAPIENTRY
+_mesa_GetBufferSubData(GLenum target, GLintptr offset,
+ GLsizeiptr size, GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glGetBufferSubData", target,
+ GL_INVALID_OPERATION);
if (!bufObj)
return;
- if (bufObj->Immutable) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferData(immutable)");
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, false,
+ "glGetBufferSubData")) {
return;
}
- /* Unmap the existing buffer. We'll replace it now. Not an error. */
- _mesa_buffer_unmap_all_mappings(ctx, bufObj);
-
- FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT);
-
- bufObj->Written = GL_TRUE;
-
-#ifdef VBO_DEBUG
- printf("glBufferDataARB(%u, sz %ld, from %p, usage 0x%x)\n",
- bufObj->Name, size, data, usage);
-#endif
-
-#ifdef BOUNDS_CHECK
- size += 100;
-#endif
-
- ASSERT(ctx->Driver.BufferData);
- if (!ctx->Driver.BufferData(ctx, target, size, data, usage,
- GL_MAP_READ_BIT |
- GL_MAP_WRITE_BIT |
- GL_DYNAMIC_STORAGE_BIT,
- bufObj)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB()");
- }
+ assert(ctx->Driver.GetBufferSubData);
+ ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
}
-
void GLAPIENTRY
-_mesa_BufferSubData(GLenum target, GLintptrARB offset,
- GLsizeiptrARB size, const GLvoid * data)
+_mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- bufObj = buffer_object_subdata_range_good( ctx, target, offset, size,
- false, GL_INVALID_OPERATION,
- "glBufferSubDataARB" );
- if (!bufObj) {
- /* error already recorded */
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferSubData");
+ if (!bufObj)
return;
- }
- if (bufObj->Immutable &&
- !(bufObj->StorageFlags & GL_DYNAMIC_STORAGE_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferSubData");
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, false,
+ "glGetNamedBufferSubData")) {
return;
}
- if (size == 0)
- return;
-
- bufObj->Written = GL_TRUE;
-
- ASSERT(ctx->Driver.BufferSubData);
- ctx->Driver.BufferSubData( ctx, offset, size, data, bufObj );
+ assert(ctx->Driver.GetBufferSubData);
+ ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
}
void GLAPIENTRY
-_mesa_GetBufferSubData(GLenum target, GLintptrARB offset,
- GLsizeiptrARB size, void * data)
+_mesa_GetNamedBufferSubDataEXT(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- bufObj = buffer_object_subdata_range_good(ctx, target, offset, size,
- false, GL_INVALID_OPERATION,
- "glGetBufferSubDataARB");
- if (!bufObj) {
- /* error already recorded */
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetNamedBufferSubDataEXT(buffer=0)");
return;
}
- ASSERT(ctx->Driver.GetBufferSubData);
- ctx->Driver.GetBufferSubData( ctx, offset, size, data, bufObj );
-}
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glGetNamedBufferSubDataEXT"))
+ return;
+
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, false,
+ "glGetNamedBufferSubDataEXT")) {
+ return;
+ }
+ assert(ctx->Driver.GetBufferSubData);
+ ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
+}
-void GLAPIENTRY
-_mesa_ClearBufferData(GLenum target, GLenum internalformat, GLenum format,
- GLenum type, const GLvoid* data)
+/**
+ * \param subdata true if caller is *SubData, false if *Data
+ */
+static ALWAYS_INLINE void
+clear_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLenum internalformat, GLintptr offset, GLsizeiptr size,
+ GLenum format, GLenum type, const GLvoid *data,
+ const char *func, bool subdata, bool no_error)
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object* bufObj;
mesa_format mesaFormat;
GLubyte clearValue[MAX_PIXEL_BYTES];
GLsizeiptr clearValueSize;
- bufObj = get_buffer(ctx, "glClearBufferData", target, GL_INVALID_VALUE);
- if (!bufObj) {
+ /* This checks for disallowed mappings. */
+ if (!no_error && !buffer_object_subdata_range_good(ctx, bufObj, offset, size,
+ subdata, func)) {
return;
}
- if (_mesa_check_disallowed_mapping(bufObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glClearBufferData(buffer currently mapped)");
- return;
+ if (no_error) {
+ mesaFormat = _mesa_get_texbuffer_format(ctx, internalformat);
+ } else {
+ mesaFormat = validate_clear_buffer_format(ctx, internalformat,
+ format, type, func);
}
- mesaFormat = validate_clear_buffer_format(ctx, internalformat,
- format, type,
- "glClearBufferData");
- if (mesaFormat == MESA_FORMAT_NONE) {
+ if (mesaFormat == MESA_FORMAT_NONE)
return;
- }
clearValueSize = _mesa_get_format_bytes(mesaFormat);
- if (bufObj->Size % clearValueSize != 0) {
+ if (!no_error &&
+ (offset % clearValueSize != 0 || size % clearValueSize != 0)) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glClearBufferData(size is not a multiple of "
- "internalformat size)");
+ "%s(offset or size is not a multiple of "
+ "internalformat size)", func);
return;
}
+ /* Bail early. Negative size has already been checked. */
+ if (size == 0)
+ return;
+
+ bufObj->MinMaxCacheDirty = true;
+
if (data == NULL) {
/* clear to zeros, per the spec */
- ctx->Driver.ClearBufferSubData(ctx, 0, bufObj->Size,
+ ctx->Driver.ClearBufferSubData(ctx, offset, size,
NULL, clearValueSize, bufObj);
return;
}
if (!convert_clear_buffer_data(ctx, mesaFormat, clearValue,
- format, type, data, "glClearBufferData")) {
+ format, type, data, func)) {
return;
}
- ctx->Driver.ClearBufferSubData(ctx, 0, bufObj->Size,
+ ctx->Driver.ClearBufferSubData(ctx, offset, size,
clearValue, clearValueSize, bufObj);
}
+static void
+clear_buffer_sub_data_error(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ GLenum internalformat, GLintptr offset,
+ GLsizeiptr size, GLenum format, GLenum type,
+ const GLvoid *data, const char *func, bool subdata)
+{
+ clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size, format,
+ type, data, func, subdata, false);
+}
+
+
+static void
+clear_buffer_sub_data_no_error(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ GLenum internalformat, GLintptr offset,
+ GLsizeiptr size, GLenum format, GLenum type,
+ const GLvoid *data, const char *func,
+ bool subdata)
+{
+ clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size, format,
+ type, data, func, subdata, true);
+}
+
void GLAPIENTRY
-_mesa_ClearBufferSubData(GLenum target, GLenum internalformat,
- GLintptr offset, GLsizeiptr size,
- GLenum format, GLenum type,
- const GLvoid* data)
+_mesa_ClearBufferData_no_error(GLenum target, GLenum internalformat,
+ GLenum format, GLenum type, const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object* bufObj;
- mesa_format mesaFormat;
- GLubyte clearValue[MAX_PIXEL_BYTES];
- GLsizeiptr clearValueSize;
- bufObj = buffer_object_subdata_range_good(ctx, target, offset, size,
- true, GL_INVALID_VALUE,
- "glClearBufferSubData");
- if (!bufObj) {
- return;
- }
+ struct gl_buffer_object **bufObj = get_buffer_target(ctx, target);
+ clear_buffer_sub_data_no_error(ctx, *bufObj, internalformat, 0,
+ (*bufObj)->Size, format, type, data,
+ "glClearBufferData", false);
+}
- mesaFormat = validate_clear_buffer_format(ctx, internalformat,
- format, type,
- "glClearBufferSubData");
- if (mesaFormat == MESA_FORMAT_NONE) {
- return;
- }
- clearValueSize = _mesa_get_format_bytes(mesaFormat);
- if (offset % clearValueSize != 0 || size % clearValueSize != 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glClearBufferSubData(offset or size is not a multiple of "
- "internalformat size)");
+void GLAPIENTRY
+_mesa_ClearBufferData(GLenum target, GLenum internalformat, GLenum format,
+ GLenum type, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glClearBufferData", target, GL_INVALID_VALUE);
+ if (!bufObj)
return;
- }
- if (data == NULL) {
- /* clear to zeros, per the spec */
- if (size > 0) {
- ctx->Driver.ClearBufferSubData(ctx, offset, size,
- NULL, clearValueSize, bufObj);
- }
+ clear_buffer_sub_data_error(ctx, bufObj, internalformat, 0, bufObj->Size,
+ format, type, data, "glClearBufferData", false);
+}
+
+
+void GLAPIENTRY
+_mesa_ClearNamedBufferData_no_error(GLuint buffer, GLenum internalformat,
+ GLenum format, GLenum type,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ clear_buffer_sub_data_no_error(ctx, bufObj, internalformat, 0, bufObj->Size,
+ format, type, data, "glClearNamedBufferData",
+ false);
+}
+
+
+void GLAPIENTRY
+_mesa_ClearNamedBufferData(GLuint buffer, GLenum internalformat,
+ GLenum format, GLenum type, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glClearNamedBufferData");
+ if (!bufObj)
return;
- }
- if (!convert_clear_buffer_data(ctx, mesaFormat, clearValue,
- format, type, data,
- "glClearBufferSubData")) {
+ clear_buffer_sub_data_error(ctx, bufObj, internalformat, 0, bufObj->Size,
+ format, type, data, "glClearNamedBufferData",
+ false);
+}
+
+
+void GLAPIENTRY
+_mesa_ClearNamedBufferDataEXT(GLuint buffer, GLenum internalformat,
+ GLenum format, GLenum type, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glClearNamedBufferDataEXT"))
return;
- }
- if (size > 0) {
- ctx->Driver.ClearBufferSubData(ctx, offset, size,
- clearValue, clearValueSize, bufObj);
- }
+ clear_buffer_sub_data_error(ctx, bufObj, internalformat, 0, bufObj->Size,
+ format, type, data, "glClearNamedBufferDataEXT",
+ false);
+}
+
+
+void GLAPIENTRY
+_mesa_ClearBufferSubData_no_error(GLenum target, GLenum internalformat,
+ GLintptr offset, GLsizeiptr size,
+ GLenum format, GLenum type,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object **bufObj = get_buffer_target(ctx, target);
+ clear_buffer_sub_data_no_error(ctx, *bufObj, internalformat, offset, size,
+ format, type, data, "glClearBufferSubData",
+ true);
}
-void * GLAPIENTRY
-_mesa_MapBuffer(GLenum target, GLenum access)
+void GLAPIENTRY
+_mesa_ClearBufferSubData(GLenum target, GLenum internalformat,
+ GLintptr offset, GLsizeiptr size,
+ GLenum format, GLenum type,
+ const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object * bufObj;
- GLbitfield accessFlags;
- void *map;
- bool valid_access;
+ struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
+ bufObj = get_buffer(ctx, "glClearBufferSubData", target, GL_INVALID_VALUE);
+ if (!bufObj)
+ return;
- switch (access) {
- case GL_READ_ONLY_ARB:
- accessFlags = GL_MAP_READ_BIT;
- valid_access = _mesa_is_desktop_gl(ctx);
- break;
- case GL_WRITE_ONLY_ARB:
- accessFlags = GL_MAP_WRITE_BIT;
- valid_access = true;
- break;
- case GL_READ_WRITE_ARB:
- accessFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
- valid_access = _mesa_is_desktop_gl(ctx);
- break;
- default:
- valid_access = false;
- break;
- }
+ clear_buffer_sub_data_error(ctx, bufObj, internalformat, offset, size,
+ format, type, data, "glClearBufferSubData",
+ true);
+}
- if (!valid_access) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(access)");
- return NULL;
- }
- bufObj = get_buffer(ctx, "glMapBufferARB", target, GL_INVALID_OPERATION);
- if (!bufObj)
- return NULL;
+void GLAPIENTRY
+_mesa_ClearNamedBufferSubData_no_error(GLuint buffer, GLenum internalformat,
+ GLintptr offset, GLsizeiptr size,
+ GLenum format, GLenum type,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
- if (accessFlags & GL_MAP_READ_BIT &&
- !(bufObj->StorageFlags & GL_MAP_READ_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBuffer(invalid read flag)");
- return NULL;
- }
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ clear_buffer_sub_data_no_error(ctx, bufObj, internalformat, offset, size,
+ format, type, data,
+ "glClearNamedBufferSubData", true);
+}
- if (accessFlags & GL_MAP_WRITE_BIT &&
- !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBuffer(invalid write flag)");
- return NULL;
- }
- if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)");
- return NULL;
- }
+void GLAPIENTRY
+_mesa_ClearNamedBufferSubData(GLuint buffer, GLenum internalformat,
+ GLintptr offset, GLsizeiptr size,
+ GLenum format, GLenum type,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
- if (!bufObj->Size) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glMapBuffer(buffer size = 0)");
- return NULL;
- }
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glClearNamedBufferSubData");
+ if (!bufObj)
+ return;
- ASSERT(ctx->Driver.MapBufferRange);
- map = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, accessFlags, bufObj,
- MAP_USER);
- if (!map) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)");
- return NULL;
- }
- else {
- /* The driver callback should have set these fields.
- * This is important because other modules (like VBO) might call
- * the driver function directly.
- */
- ASSERT(bufObj->Mappings[MAP_USER].Pointer == map);
- ASSERT(bufObj->Mappings[MAP_USER].Length == bufObj->Size);
- ASSERT(bufObj->Mappings[MAP_USER].Offset == 0);
- bufObj->Mappings[MAP_USER].AccessFlags = accessFlags;
- }
+ clear_buffer_sub_data_error(ctx, bufObj, internalformat, offset, size,
+ format, type, data, "glClearNamedBufferSubData",
+ true);
+}
- if (access == GL_WRITE_ONLY_ARB || access == GL_READ_WRITE_ARB)
- bufObj->Written = GL_TRUE;
+void GLAPIENTRY
+_mesa_ClearNamedBufferSubDataEXT(GLuint buffer, GLenum internalformat,
+ GLintptr offset, GLsizeiptr size,
+ GLenum format, GLenum type,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glClearNamedBufferSubDataEXT"))
+ return;
-#ifdef VBO_DEBUG
- printf("glMapBufferARB(%u, sz %ld, access 0x%x)\n",
- bufObj->Name, bufObj->Size, access);
- if (access == GL_WRITE_ONLY_ARB) {
- GLuint i;
- GLubyte *b = (GLubyte *) bufObj->Pointer;
- for (i = 0; i < bufObj->Size; i++)
- b[i] = i & 0xff;
- }
-#endif
+ clear_buffer_sub_data_error(ctx, bufObj, internalformat, offset, size,
+ format, type, data, "glClearNamedBufferSubDataEXT",
+ true);
+}
-#ifdef BOUNDS_CHECK
- {
- GLubyte *buf = (GLubyte *) bufObj->Pointer;
- GLuint i;
- /* buffer is 100 bytes larger than requested, fill with magic value */
- for (i = 0; i < 100; i++) {
- buf[bufObj->Size - i - 1] = 123;
- }
- }
-#endif
+static GLboolean
+unmap_buffer(struct gl_context *ctx, struct gl_buffer_object *bufObj)
+{
+ GLboolean status = ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_USER);
+ bufObj->Mappings[MAP_USER].AccessFlags = 0;
+ assert(bufObj->Mappings[MAP_USER].Pointer == NULL);
+ assert(bufObj->Mappings[MAP_USER].Offset == 0);
+ assert(bufObj->Mappings[MAP_USER].Length == 0);
- return bufObj->Mappings[MAP_USER].Pointer;
+ return status;
}
-
-GLboolean GLAPIENTRY
-_mesa_UnmapBuffer(GLenum target)
+static GLboolean
+validate_and_unmap_buffer(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ const char *func)
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *bufObj;
- GLboolean status = GL_TRUE;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- bufObj = get_buffer(ctx, "glUnmapBufferARB", target, GL_INVALID_OPERATION);
- if (!bufObj)
- return GL_FALSE;
-
if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB");
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer is not mapped)", func);
return GL_FALSE;
}
}
#endif
- status = ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_USER);
- bufObj->Mappings[MAP_USER].AccessFlags = 0;
- ASSERT(bufObj->Mappings[MAP_USER].Pointer == NULL);
- ASSERT(bufObj->Mappings[MAP_USER].Offset == 0);
- ASSERT(bufObj->Mappings[MAP_USER].Length == 0);
+ return unmap_buffer(ctx, bufObj);
+}
- return status;
+GLboolean GLAPIENTRY
+_mesa_UnmapBuffer_no_error(GLenum target)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+ struct gl_buffer_object *bufObj = *bufObjPtr;
+
+ return unmap_buffer(ctx, bufObj);
}
+GLboolean GLAPIENTRY
+_mesa_UnmapBuffer(GLenum target)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glUnmapBuffer", target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return GL_FALSE;
-void GLAPIENTRY
-_mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params)
+ return validate_and_unmap_buffer(ctx, bufObj, "glUnmapBuffer");
+}
+
+GLboolean GLAPIENTRY
+_mesa_UnmapNamedBufferEXT_no_error(GLuint buffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+
+ return unmap_buffer(ctx, bufObj);
+}
+
+GLboolean GLAPIENTRY
+_mesa_UnmapNamedBufferEXT(GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- bufObj = get_buffer(ctx, "glGetBufferParameterivARB", target,
- GL_INVALID_OPERATION);
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glUnmapNamedBufferEXT(buffer=0)");
+ return GL_FALSE;
+ }
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glUnmapNamedBuffer");
if (!bufObj)
- return;
+ return GL_FALSE;
+
+ return validate_and_unmap_buffer(ctx, bufObj, "glUnmapNamedBuffer");
+}
+
+static bool
+get_buffer_parameter(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj, GLenum pname,
+ GLint64 *params, const char *func)
+{
switch (pname) {
case GL_BUFFER_SIZE_ARB:
- *params = (GLint) bufObj->Size;
- return;
+ *params = bufObj->Size;
+ break;
case GL_BUFFER_USAGE_ARB:
*params = bufObj->Usage;
- return;
+ break;
case GL_BUFFER_ACCESS_ARB:
*params = simplified_access_mode(ctx,
bufObj->Mappings[MAP_USER].AccessFlags);
- return;
+ break;
case GL_BUFFER_MAPPED_ARB:
*params = _mesa_bufferobj_mapped(bufObj, MAP_USER);
- return;
+ break;
case GL_BUFFER_ACCESS_FLAGS:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
*params = bufObj->Mappings[MAP_USER].AccessFlags;
- return;
+ break;
case GL_BUFFER_MAP_OFFSET:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = (GLint) bufObj->Mappings[MAP_USER].Offset;
- return;
+ *params = bufObj->Mappings[MAP_USER].Offset;
+ break;
case GL_BUFFER_MAP_LENGTH:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = (GLint) bufObj->Mappings[MAP_USER].Length;
- return;
+ *params = bufObj->Mappings[MAP_USER].Length;
+ break;
case GL_BUFFER_IMMUTABLE_STORAGE:
if (!ctx->Extensions.ARB_buffer_storage)
goto invalid_pname;
*params = bufObj->Immutable;
- return;
+ break;
case GL_BUFFER_STORAGE_FLAGS:
if (!ctx->Extensions.ARB_buffer_storage)
goto invalid_pname;
*params = bufObj->StorageFlags;
- return;
+ break;
default:
- ; /* fall-through */
+ goto invalid_pname;
}
+ return true;
+
invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameterivARB(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid pname: %s)", func,
+ _mesa_enum_to_string(pname));
+ return false;
}
+void GLAPIENTRY
+_mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLint64 parameter;
+
+ bufObj = get_buffer(ctx, "glGetBufferParameteriv", target,
+ GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetBufferParameteriv"))
+ return; /* Error already recorded. */
+
+ *params = (GLint) parameter;
+}
-/**
- * New in GL 3.2
- * This is pretty much a duplicate of GetBufferParameteriv() but the
- * GL_BUFFER_SIZE_ARB attribute will be 64-bits on a 64-bit system.
- */
void GLAPIENTRY
_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
+ GLint64 parameter;
bufObj = get_buffer(ctx, "glGetBufferParameteri64v", target,
GL_INVALID_OPERATION);
if (!bufObj)
return;
- switch (pname) {
- case GL_BUFFER_SIZE_ARB:
- *params = bufObj->Size;
- return;
- case GL_BUFFER_USAGE_ARB:
- *params = bufObj->Usage;
- return;
- case GL_BUFFER_ACCESS_ARB:
- *params = simplified_access_mode(ctx,
- bufObj->Mappings[MAP_USER].AccessFlags);
- return;
- case GL_BUFFER_ACCESS_FLAGS:
- if (!ctx->Extensions.ARB_map_buffer_range)
- goto invalid_pname;
- *params = bufObj->Mappings[MAP_USER].AccessFlags;
- return;
- case GL_BUFFER_MAPPED_ARB:
- *params = _mesa_bufferobj_mapped(bufObj, MAP_USER);
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetBufferParameteri64v"))
+ return; /* Error already recorded. */
+
+ *params = parameter;
+}
+
+void GLAPIENTRY
+_mesa_GetNamedBufferParameteriv(GLuint buffer, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLint64 parameter;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferParameteriv");
+ if (!bufObj)
return;
- case GL_BUFFER_MAP_OFFSET:
- if (!ctx->Extensions.ARB_map_buffer_range)
- goto invalid_pname;
- *params = bufObj->Mappings[MAP_USER].Offset;
+
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetNamedBufferParameteriv"))
+ return; /* Error already recorded. */
+
+ *params = (GLint) parameter;
+}
+
+void GLAPIENTRY
+_mesa_GetNamedBufferParameterivEXT(GLuint buffer, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLint64 parameter;
+
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetNamedBufferParameterivEXT: buffer=0");
return;
- case GL_BUFFER_MAP_LENGTH:
- if (!ctx->Extensions.ARB_map_buffer_range)
- goto invalid_pname;
- *params = bufObj->Mappings[MAP_USER].Length;
+ }
+
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glGetNamedBufferParameterivEXT"))
return;
- case GL_BUFFER_IMMUTABLE_STORAGE:
- if (!ctx->Extensions.ARB_buffer_storage)
- goto invalid_pname;
- *params = bufObj->Immutable;
+
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetNamedBufferParameterivEXT"))
+ return; /* Error already recorded. */
+
+ *params = (GLint) parameter;
+}
+
+void GLAPIENTRY
+_mesa_GetNamedBufferParameteri64v(GLuint buffer, GLenum pname,
+ GLint64 *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLint64 parameter;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferParameteri64v");
+ if (!bufObj)
return;
- case GL_BUFFER_STORAGE_FLAGS:
- if (!ctx->Extensions.ARB_buffer_storage)
- goto invalid_pname;
- *params = bufObj->StorageFlags;
+
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetNamedBufferParameteri64v"))
+ return; /* Error already recorded. */
+
+ *params = parameter;
+}
+
+
+void GLAPIENTRY
+_mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ if (pname != GL_BUFFER_MAP_POINTER) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferPointerv(pname != "
+ "GL_BUFFER_MAP_POINTER)");
return;
- default:
- ; /* fall-through */
}
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameteri64v(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
+ bufObj = get_buffer(ctx, "glGetBufferPointerv", target,
+ GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ *params = bufObj->Mappings[MAP_USER].Pointer;
}
-
void GLAPIENTRY
-_mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params)
+_mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object * bufObj;
+ struct gl_buffer_object *bufObj;
- if (pname != GL_BUFFER_MAP_POINTER_ARB) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferPointervARB(pname)");
+ if (pname != GL_BUFFER_MAP_POINTER) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetNamedBufferPointerv(pname != "
+ "GL_BUFFER_MAP_POINTER)");
return;
}
- bufObj = get_buffer(ctx, "glGetBufferPointervARB", target,
- GL_INVALID_OPERATION);
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferPointerv");
if (!bufObj)
return;
*params = bufObj->Mappings[MAP_USER].Pointer;
}
-
void GLAPIENTRY
-_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
- GLintptr readOffset, GLintptr writeOffset,
- GLsizeiptr size)
+_mesa_GetNamedBufferPointervEXT(GLuint buffer, GLenum pname, GLvoid **params)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *src, *dst;
+ struct gl_buffer_object *bufObj;
- src = get_buffer(ctx, "glCopyBufferSubData", readTarget,
- GL_INVALID_OPERATION);
- if (!src)
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetNamedBufferPointervEXT(buffer=0)");
+ return;
+ }
+ if (pname != GL_BUFFER_MAP_POINTER) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetNamedBufferPointervEXT(pname != "
+ "GL_BUFFER_MAP_POINTER)");
return;
+ }
- dst = get_buffer(ctx, "glCopyBufferSubData", writeTarget,
- GL_INVALID_OPERATION);
- if (!dst)
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glGetNamedBufferPointervEXT"))
return;
+ *params = bufObj->Mappings[MAP_USER].Pointer;
+}
+
+static void
+copy_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *src,
+ struct gl_buffer_object *dst, GLintptr readOffset,
+ GLintptr writeOffset, GLsizeiptr size, const char *func)
+{
if (_mesa_check_disallowed_mapping(src)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyBufferSubData(readBuffer is mapped)");
+ "%s(readBuffer is mapped)", func);
return;
}
if (_mesa_check_disallowed_mapping(dst)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyBufferSubData(writeBuffer is mapped)");
+ "%s(writeBuffer is mapped)", func);
return;
}
if (readOffset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyBufferSubData(readOffset = %d)", (int) readOffset);
+ "%s(readOffset %d < 0)", func, (int) readOffset);
return;
}
if (writeOffset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyBufferSubData(writeOffset = %d)", (int) writeOffset);
+ "%s(writeOffset %d < 0)", func, (int) writeOffset);
return;
}
if (size < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyBufferSubData(writeOffset = %d)", (int) size);
+ "%s(size %d < 0)", func, (int) size);
return;
}
if (readOffset + size > src->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyBufferSubData(readOffset + size = %d)",
- (int) (readOffset + size));
+ "%s(readOffset %d + size %d > src_buffer_size %d)", func,
+ (int) readOffset, (int) size, (int) src->Size);
return;
}
if (writeOffset + size > dst->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyBufferSubData(writeOffset + size = %d)",
- (int) (writeOffset + size));
+ "%s(writeOffset %d + size %d > dst_buffer_size %d)", func,
+ (int) writeOffset, (int) size, (int) dst->Size);
return;
}
else {
/* overlapping src/dst is illegal */
_mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyBufferSubData(overlapping src/dst)");
+ "%s(overlapping src/dst)", func);
return;
}
}
+ dst->MinMaxCacheDirty = true;
+
ctx->Driver.CopyBufferSubData(ctx, src, dst, readOffset, writeOffset, size);
}
+void GLAPIENTRY
+_mesa_CopyBufferSubData_no_error(GLenum readTarget, GLenum writeTarget,
+ GLintptr readOffset, GLintptr writeOffset,
+ GLsizeiptr size)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object **src_ptr = get_buffer_target(ctx, readTarget);
+ struct gl_buffer_object *src = *src_ptr;
+
+ struct gl_buffer_object **dst_ptr = get_buffer_target(ctx, writeTarget);
+ struct gl_buffer_object *dst = *dst_ptr;
+
+ dst->MinMaxCacheDirty = true;
+ ctx->Driver.CopyBufferSubData(ctx, src, dst, readOffset, writeOffset,
+ size);
+}
+
+void GLAPIENTRY
+_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
+ GLintptr readOffset, GLintptr writeOffset,
+ GLsizeiptr size)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *src, *dst;
+
+ src = get_buffer(ctx, "glCopyBufferSubData", readTarget,
+ GL_INVALID_OPERATION);
+ if (!src)
+ return;
+
+ dst = get_buffer(ctx, "glCopyBufferSubData", writeTarget,
+ GL_INVALID_OPERATION);
+ if (!dst)
+ return;
+
+ copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size,
+ "glCopyBufferSubData");
+}
+
+void GLAPIENTRY
+_mesa_NamedCopyBufferSubDataEXT(GLuint readBuffer, GLuint writeBuffer,
+ GLintptr readOffset, GLintptr writeOffset,
+ GLsizeiptr size)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *src, *dst;
+
+ src = _mesa_lookup_bufferobj(ctx, readBuffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, readBuffer,
+ &src,
+ "glNamedCopyBufferSubDataEXT"))
+ return;
+
+ dst = _mesa_lookup_bufferobj(ctx, writeBuffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, writeBuffer,
+ &dst,
+ "glNamedCopyBufferSubDataEXT"))
+ return;
+
+ copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size,
+ "glNamedCopyBufferSubDataEXT");
+}
+
+void GLAPIENTRY
+_mesa_CopyNamedBufferSubData_no_error(GLuint readBuffer, GLuint writeBuffer,
+ GLintptr readOffset,
+ GLintptr writeOffset, GLsizeiptr size)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object *src = _mesa_lookup_bufferobj(ctx, readBuffer);
+ struct gl_buffer_object *dst = _mesa_lookup_bufferobj(ctx, writeBuffer);
+
+ dst->MinMaxCacheDirty = true;
+ ctx->Driver.CopyBufferSubData(ctx, src, dst, readOffset, writeOffset,
+ size);
+}
+
+void GLAPIENTRY
+_mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer,
+ GLintptr readOffset, GLintptr writeOffset,
+ GLsizeiptr size)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *src, *dst;
+
+ src = _mesa_lookup_bufferobj_err(ctx, readBuffer,
+ "glCopyNamedBufferSubData");
+ if (!src)
+ return;
+
+ dst = _mesa_lookup_bufferobj_err(ctx, writeBuffer,
+ "glCopyNamedBufferSubData");
+ if (!dst)
+ return;
+
+ copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size,
+ "glCopyNamedBufferSubData");
+}
+
+static bool
+validate_map_buffer_range(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj, GLintptr offset,
+ GLsizeiptr length, GLbitfield access,
+ const char *func)
+{
+ GLbitfield allowed_access;
+
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, false);
+
+ if (offset < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(offset %ld < 0)", func, (long) offset);
+ return false;
+ }
+
+ if (length < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(length %ld < 0)", func, (long) length);
+ return false;
+ }
+
+ /* Page 38 of the PDF of the OpenGL ES 3.0 spec says:
+ *
+ * "An INVALID_OPERATION error is generated for any of the following
+ * conditions:
+ *
+ * * <length> is zero."
+ *
+ * Additionally, page 94 of the PDF of the OpenGL 4.5 core spec
+ * (30.10.2014) also says this, so it's no longer allowed for desktop GL,
+ * either.
+ */
+ if (length == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(length = 0)", func);
+ return false;
+ }
+
+ allowed_access = GL_MAP_READ_BIT |
+ GL_MAP_WRITE_BIT |
+ GL_MAP_INVALIDATE_RANGE_BIT |
+ GL_MAP_INVALIDATE_BUFFER_BIT |
+ GL_MAP_FLUSH_EXPLICIT_BIT |
+ GL_MAP_UNSYNCHRONIZED_BIT;
+
+ if (ctx->Extensions.ARB_buffer_storage) {
+ allowed_access |= GL_MAP_PERSISTENT_BIT |
+ GL_MAP_COHERENT_BIT;
+ }
+
+ if (access & ~allowed_access) {
+ /* generate an error if any bits other than those allowed are set */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(access has undefined bits set)", func);
+ return false;
+ }
+
+ if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(access indicates neither read or write)", func);
+ return false;
+ }
+
+ if ((access & GL_MAP_READ_BIT) &&
+ (access & (GL_MAP_INVALIDATE_RANGE_BIT |
+ GL_MAP_INVALIDATE_BUFFER_BIT |
+ GL_MAP_UNSYNCHRONIZED_BIT))) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(read access with disallowed bits)", func);
+ return false;
+ }
+
+ if ((access & GL_MAP_FLUSH_EXPLICIT_BIT) &&
+ ((access & GL_MAP_WRITE_BIT) == 0)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(access has flush explicit without write)", func);
+ return false;
+ }
+
+ if (access & GL_MAP_READ_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_READ_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer does not allow read access)", func);
+ return false;
+ }
+
+ if (access & GL_MAP_WRITE_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer does not allow write access)", func);
+ return false;
+ }
+
+ if (access & GL_MAP_COHERENT_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_COHERENT_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer does not allow coherent access)", func);
+ return false;
+ }
+
+ if (access & GL_MAP_PERSISTENT_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_PERSISTENT_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer does not allow persistent access)", func);
+ return false;
+ }
+
+ if (offset + length > bufObj->Size) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(offset %lu + length %lu > buffer_size %lu)", func,
+ (unsigned long) offset, (unsigned long) length,
+ (unsigned long) bufObj->Size);
+ return false;
+ }
+
+ if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer already mapped)", func);
+ return false;
+ }
+
+ if (access & GL_MAP_WRITE_BIT) {
+ bufObj->NumMapBufferWriteCalls++;
+ if ((bufObj->Usage == GL_STATIC_DRAW ||
+ bufObj->Usage == GL_STATIC_COPY) &&
+ bufObj->NumMapBufferWriteCalls >= BUFFER_WARNING_CALL_COUNT) {
+ BUFFER_USAGE_WARNING(ctx,
+ "using %s(buffer %u, offset %u, length %u) to "
+ "update a %s buffer",
+ func, bufObj->Name, offset, length,
+ _mesa_enum_to_string(bufObj->Usage));
+ }
+ }
+
+ return true;
+}
+
+static void *
+map_buffer_range(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr length, GLbitfield access,
+ const char *func)
+{
+ if (!bufObj->Size) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(buffer size = 0)", func);
+ return NULL;
+ }
+
+ assert(ctx->Driver.MapBufferRange);
+ void *map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj,
+ MAP_USER);
+ if (!map) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(map failed)", func);
+ }
+ else {
+ /* The driver callback should have set all these fields.
+ * This is important because other modules (like VBO) might call
+ * the driver function directly.
+ */
+ assert(bufObj->Mappings[MAP_USER].Pointer == map);
+ assert(bufObj->Mappings[MAP_USER].Length == length);
+ assert(bufObj->Mappings[MAP_USER].Offset == offset);
+ assert(bufObj->Mappings[MAP_USER].AccessFlags == access);
+ }
+
+ if (access & GL_MAP_WRITE_BIT) {
+ bufObj->Written = GL_TRUE;
+ bufObj->MinMaxCacheDirty = true;
+ }
+
+#ifdef VBO_DEBUG
+ if (strstr(func, "Range") == NULL) { /* If not MapRange */
+ printf("glMapBuffer(%u, sz %ld, access 0x%x)\n",
+ bufObj->Name, bufObj->Size, access);
+ /* Access must be write only */
+ if ((access & GL_MAP_WRITE_BIT) && (!(access & ~GL_MAP_WRITE_BIT))) {
+ GLuint i;
+ GLubyte *b = (GLubyte *) bufObj->Pointer;
+ for (i = 0; i < bufObj->Size; i++)
+ b[i] = i & 0xff;
+ }
+ }
+#endif
+
+#ifdef BOUNDS_CHECK
+ if (strstr(func, "Range") == NULL) { /* If not MapRange */
+ GLubyte *buf = (GLubyte *) bufObj->Pointer;
+ GLuint i;
+ /* buffer is 100 bytes larger than requested, fill with magic value */
+ for (i = 0; i < 100; i++) {
+ buf[bufObj->Size - i - 1] = 123;
+ }
+ }
+#endif
+
+ return map;
+}
+
+void * GLAPIENTRY
+_mesa_MapBufferRange_no_error(GLenum target, GLintptr offset,
+ GLsizeiptr length, GLbitfield access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+ struct gl_buffer_object *bufObj = *bufObjPtr;
+
+ return map_buffer_range(ctx, bufObj, offset, length, access,
+ "glMapBufferRange");
+}
-/**
- * See GL_ARB_map_buffer_range spec
- */
void * GLAPIENTRY
_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
GLbitfield access)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *bufObj;
- void *map;
- GLbitfield allowed_access;
-
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
+ struct gl_buffer_object *bufObj;
+
+ if (!ctx->Extensions.ARB_map_buffer_range) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapBufferRange(ARB_map_buffer_range not supported)");
+ return NULL;
+ }
+
+ bufObj = get_buffer(ctx, "glMapBufferRange", target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return NULL;
+
+ if (!validate_map_buffer_range(ctx, bufObj, offset, length, access,
+ "glMapBufferRange"))
+ return NULL;
+
+ return map_buffer_range(ctx, bufObj, offset, length, access,
+ "glMapBufferRange");
+}
+
+void * GLAPIENTRY
+_mesa_MapNamedBufferRange_no_error(GLuint buffer, GLintptr offset,
+ GLsizeiptr length, GLbitfield access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+
+ return map_buffer_range(ctx, bufObj, offset, length, access,
+ "glMapNamedBufferRange");
+}
+
+static void *
+map_named_buffer_range(GLuint buffer, GLintptr offset, GLsizeiptr length,
+ GLbitfield access, bool dsa_ext, const char *func)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj = NULL;
if (!ctx->Extensions.ARB_map_buffer_range) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(extension not supported)");
+ "%s(ARB_map_buffer_range not supported)", func);
return NULL;
}
- if (offset < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glMapBufferRange(offset = %ld)", (long)offset);
- return NULL;
+ if (dsa_ext) {
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer, &bufObj, func))
+ return NULL;
+ } else {
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, func);
+ if (!bufObj)
+ return NULL;
}
- if (length < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glMapBufferRange(length = %ld)", (long)length);
+ if (!validate_map_buffer_range(ctx, bufObj, offset, length, access, func))
return NULL;
- }
- /* Page 38 of the PDF of the OpenGL ES 3.0 spec says:
- *
- * "An INVALID_OPERATION error is generated for any of the following
- * conditions:
- *
- * * <length> is zero."
- */
- if (_mesa_is_gles(ctx) && length == 0) {
+ return map_buffer_range(ctx, bufObj, offset, length, access, func);
+}
+
+void * GLAPIENTRY
+_mesa_MapNamedBufferRangeEXT(GLuint buffer, GLintptr offset, GLsizeiptr length,
+ GLbitfield access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ if (!buffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(length = 0)");
+ "glMapNamedBufferRangeEXT(buffer=0)");
return NULL;
}
+ return map_named_buffer_range(buffer, offset, length, access, true,
+ "glMapNamedBufferRangeEXT");
+}
- allowed_access = GL_MAP_READ_BIT |
- GL_MAP_WRITE_BIT |
- GL_MAP_INVALIDATE_RANGE_BIT |
- GL_MAP_INVALIDATE_BUFFER_BIT |
- GL_MAP_FLUSH_EXPLICIT_BIT |
- GL_MAP_UNSYNCHRONIZED_BIT;
+void * GLAPIENTRY
+_mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length,
+ GLbitfield access)
+{
+ return map_named_buffer_range(buffer, offset, length, access, false,
+ "glMapNamedBufferRange");
+}
- if (ctx->Extensions.ARB_buffer_storage) {
- allowed_access |= GL_MAP_PERSISTENT_BIT |
- GL_MAP_COHERENT_BIT;
+/**
+ * Converts GLenum access from MapBuffer and MapNamedBuffer into
+ * flags for input to map_buffer_range.
+ *
+ * \return true if the type of requested access is permissible.
+ */
+static bool
+get_map_buffer_access_flags(struct gl_context *ctx, GLenum access,
+ GLbitfield *flags)
+{
+ switch (access) {
+ case GL_READ_ONLY_ARB:
+ *flags = GL_MAP_READ_BIT;
+ return _mesa_is_desktop_gl(ctx);
+ case GL_WRITE_ONLY_ARB:
+ *flags = GL_MAP_WRITE_BIT;
+ return true;
+ case GL_READ_WRITE_ARB:
+ *flags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
+ return _mesa_is_desktop_gl(ctx);
+ default:
+ *flags = 0;
+ return false;
}
+}
- if (access & ~allowed_access) {
- /* generate an error if any other than allowed bit is set */
- _mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)");
- return NULL;
- }
+void * GLAPIENTRY
+_mesa_MapBuffer_no_error(GLenum target, GLenum access)
+{
+ GET_CURRENT_CONTEXT(ctx);
- if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(access indicates neither read or write)");
- return NULL;
- }
+ GLbitfield accessFlags;
+ get_map_buffer_access_flags(ctx, access, &accessFlags);
- if ((access & GL_MAP_READ_BIT) &&
- (access & (GL_MAP_INVALIDATE_RANGE_BIT |
- GL_MAP_INVALIDATE_BUFFER_BIT |
- GL_MAP_UNSYNCHRONIZED_BIT))) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid access flags)");
- return NULL;
- }
+ struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+ struct gl_buffer_object *bufObj = *bufObjPtr;
- if ((access & GL_MAP_FLUSH_EXPLICIT_BIT) &&
- ((access & GL_MAP_WRITE_BIT) == 0)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid access flags)");
+ return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapBuffer");
+}
+
+void * GLAPIENTRY
+_mesa_MapBuffer(GLenum target, GLenum access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLbitfield accessFlags;
+
+ if (!get_map_buffer_access_flags(ctx, access, &accessFlags)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glMapBuffer(invalid access)");
return NULL;
}
- bufObj = get_buffer(ctx, "glMapBufferRange", target, GL_INVALID_OPERATION);
+ bufObj = get_buffer(ctx, "glMapBuffer", target, GL_INVALID_OPERATION);
if (!bufObj)
return NULL;
- if (access & GL_MAP_READ_BIT &&
- !(bufObj->StorageFlags & GL_MAP_READ_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid read flag)");
+ if (!validate_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapBuffer"))
return NULL;
- }
- if (access & GL_MAP_WRITE_BIT &&
- !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid write flag)");
- return NULL;
- }
+ return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapBuffer");
+}
- if (access & GL_MAP_COHERENT_BIT &&
- !(bufObj->StorageFlags & GL_MAP_COHERENT_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid coherent flag)");
+void * GLAPIENTRY
+_mesa_MapNamedBuffer_no_error(GLuint buffer, GLenum access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ GLbitfield accessFlags;
+ get_map_buffer_access_flags(ctx, access, &accessFlags);
+
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+
+ return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapNamedBuffer");
+}
+
+void * GLAPIENTRY
+_mesa_MapNamedBuffer(GLuint buffer, GLenum access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ GLbitfield accessFlags;
+
+ if (!get_map_buffer_access_flags(ctx, access, &accessFlags)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glMapNamedBuffer(invalid access)");
return NULL;
}
- if (access & GL_MAP_PERSISTENT_BIT &&
- !(bufObj->StorageFlags & GL_MAP_PERSISTENT_BIT)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid persistent flag)");
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glMapNamedBuffer");
+ if (!bufObj)
return NULL;
- }
- if (offset + length > bufObj->Size) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glMapBufferRange(offset + length > size)");
+ if (!validate_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapNamedBuffer"))
return NULL;
- }
- if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
+ return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapNamedBuffer");
+}
+
+void * GLAPIENTRY
+_mesa_MapNamedBufferEXT(GLuint buffer, GLenum access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ GLbitfield accessFlags;
+ if (!buffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(buffer already mapped)");
+ "glMapNamedBufferEXT(buffer=0)");
return NULL;
}
-
- if (!bufObj->Size) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glMapBufferRange(buffer size = 0)");
+ if (!get_map_buffer_access_flags(ctx, access, &accessFlags)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glMapNamedBufferEXT(invalid access)");
return NULL;
}
- /* Mapping zero bytes should return a non-null pointer. */
- if (!length) {
- static long dummy = 0;
- bufObj->Mappings[MAP_USER].Pointer = &dummy;
- bufObj->Mappings[MAP_USER].Length = length;
- bufObj->Mappings[MAP_USER].Offset = offset;
- bufObj->Mappings[MAP_USER].AccessFlags = access;
- return bufObj->Mappings[MAP_USER].Pointer;
- }
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glMapNamedBufferEXT"))
+ return NULL;
- ASSERT(ctx->Driver.MapBufferRange);
- map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj,
- MAP_USER);
- if (!map) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)");
- }
- else {
- /* The driver callback should have set all these fields.
- * This is important because other modules (like VBO) might call
- * the driver function directly.
- */
- ASSERT(bufObj->Mappings[MAP_USER].Pointer == map);
- ASSERT(bufObj->Mappings[MAP_USER].Length == length);
- ASSERT(bufObj->Mappings[MAP_USER].Offset == offset);
- ASSERT(bufObj->Mappings[MAP_USER].AccessFlags == access);
- }
+ if (!validate_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapNamedBufferEXT"))
+ return NULL;
- return map;
+ return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapNamedBufferEXT");
}
-
-/**
- * See GL_ARB_map_buffer_range spec
- */
-void GLAPIENTRY
-_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length)
+static void
+flush_mapped_buffer_range(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr length,
+ const char *func)
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *bufObj;
-
if (!ctx->Extensions.ARB_map_buffer_range) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glFlushMappedBufferRange(extension not supported)");
+ "%s(ARB_map_buffer_range not supported)", func);
return;
}
if (offset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glFlushMappedBufferRange(offset = %ld)", (long)offset);
+ "%s(offset %ld < 0)", func, (long) offset);
return;
}
if (length < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glFlushMappedBufferRange(length = %ld)", (long)length);
+ "%s(length %ld < 0)", func, (long) length);
return;
}
- bufObj = get_buffer(ctx, "glFlushMappedBufferRange", target,
- GL_INVALID_OPERATION);
- if (!bufObj)
- return;
-
if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
/* buffer is not mapped */
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glFlushMappedBufferRange(buffer is not mapped)");
+ "%s(buffer is not mapped)", func);
return;
}
if ((bufObj->Mappings[MAP_USER].AccessFlags &
GL_MAP_FLUSH_EXPLICIT_BIT) == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glFlushMappedBufferRange(GL_MAP_FLUSH_EXPLICIT_BIT not set)");
+ "%s(GL_MAP_FLUSH_EXPLICIT_BIT not set)", func);
return;
}
if (offset + length > bufObj->Mappings[MAP_USER].Length) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glFlushMappedBufferRange(offset %ld + length %ld > mapped length %ld)",
- (long)offset, (long)length,
- (long)bufObj->Mappings[MAP_USER].Length);
+ "%s(offset %ld + length %ld > mapped length %ld)", func,
+ (long) offset, (long) length,
+ (long) bufObj->Mappings[MAP_USER].Length);
return;
}
- ASSERT(bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_WRITE_BIT);
+ assert(bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_WRITE_BIT);
if (ctx->Driver.FlushMappedBufferRange)
ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj,
MAP_USER);
}
+void GLAPIENTRY
+_mesa_FlushMappedBufferRange_no_error(GLenum target, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+ struct gl_buffer_object *bufObj = *bufObjPtr;
+
+ if (ctx->Driver.FlushMappedBufferRange)
+ ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj,
+ MAP_USER);
+}
-static GLenum
-buffer_object_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
+void GLAPIENTRY
+_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset,
+ GLsizeiptr length)
{
+ GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- GLenum retval;
- bufObj = _mesa_lookup_bufferobj(ctx, name);
- if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectPurgeable(name = 0x%x)", name);
- return 0;
- }
- if (!_mesa_is_bufferobj(bufObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glObjectPurgeable(buffer 0)" );
- return 0;
- }
+ bufObj = get_buffer(ctx, "glFlushMappedBufferRange", target,
+ GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ flush_mapped_buffer_range(ctx, bufObj, offset, length,
+ "glFlushMappedBufferRange");
+}
+
+void GLAPIENTRY
+_mesa_FlushMappedNamedBufferRange_no_error(GLuint buffer, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+
+ if (ctx->Driver.FlushMappedBufferRange)
+ ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj,
+ MAP_USER);
+}
+
+void GLAPIENTRY
+_mesa_FlushMappedNamedBufferRange(GLuint buffer, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glFlushMappedNamedBufferRange");
+ if (!bufObj)
+ return;
+
+ flush_mapped_buffer_range(ctx, bufObj, offset, length,
+ "glFlushMappedNamedBufferRange");
+}
+
+void GLAPIENTRY
+_mesa_FlushMappedNamedBufferRangeEXT(GLuint buffer, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
- if (bufObj->Purgeable) {
+ if (!buffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glObjectPurgeable(name = 0x%x) is already purgeable", name);
- return GL_VOLATILE_APPLE;
+ "glFlushMappedNamedBufferRangeEXT(buffer=0)");
+ return;
}
- bufObj->Purgeable = GL_TRUE;
-
- retval = GL_VOLATILE_APPLE;
- if (ctx->Driver.BufferObjectPurgeable)
- retval = ctx->Driver.BufferObjectPurgeable(ctx, bufObj, option);
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glFlushMappedNamedBufferRangeEXT"))
+ return;
- return retval;
+ flush_mapped_buffer_range(ctx, bufObj, offset, length,
+ "glFlushMappedNamedBufferRangeEXT");
}
+static void
+bind_buffer_range_uniform_buffer(struct gl_context *ctx, GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
+{
+ if (!bufObj) {
+ offset = -1;
+ size = -1;
+ }
-static GLenum
-renderbuffer_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
+ _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj);
+ bind_uniform_buffer(ctx, index, bufObj, offset, size, GL_FALSE);
+}
+
+/**
+ * Bind a region of a buffer object to a uniform block binding point.
+ * \param index the uniform buffer binding point index
+ * \param bufObj the buffer object
+ * \param offset offset to the start of buffer object region
+ * \param size size of the buffer object region
+ */
+static void
+bind_buffer_range_uniform_buffer_err(struct gl_context *ctx, GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
{
- struct gl_renderbuffer *bufObj;
- GLenum retval;
+ if (index >= ctx->Const.MaxUniformBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index);
+ return;
+ }
- bufObj = _mesa_lookup_renderbuffer(ctx, name);
- if (!bufObj) {
+ if (offset & (ctx->Const.UniformBufferOffsetAlignment - 1)) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
- return 0;
+ "glBindBufferRange(offset misaligned %d/%d)", (int) offset,
+ ctx->Const.UniformBufferOffsetAlignment);
+ return;
+ }
+
+ bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size);
+}
+
+static void
+bind_buffer_range_shader_storage_buffer(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset,
+ GLsizeiptr size)
+{
+ if (!bufObj) {
+ offset = -1;
+ size = -1;
+ }
+
+ _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, bufObj);
+ bind_shader_storage_buffer(ctx, index, bufObj, offset, size, GL_FALSE);
+}
+
+/**
+ * Bind a region of a buffer object to a shader storage block binding point.
+ * \param index the shader storage buffer binding point index
+ * \param bufObj the buffer object
+ * \param offset offset to the start of buffer object region
+ * \param size size of the buffer object region
+ */
+static void
+bind_buffer_range_shader_storage_buffer_err(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
+{
+ if (index >= ctx->Const.MaxShaderStorageBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index);
+ return;
}
- if (bufObj->Purgeable) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glObjectPurgeable(name = 0x%x) is already purgeable", name);
- return GL_VOLATILE_APPLE;
+ if (offset & (ctx->Const.ShaderStorageBufferOffsetAlignment - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBufferRange(offset misaligned %d/%d)", (int) offset,
+ ctx->Const.ShaderStorageBufferOffsetAlignment);
+ return;
}
- bufObj->Purgeable = GL_TRUE;
-
- retval = GL_VOLATILE_APPLE;
- if (ctx->Driver.RenderObjectPurgeable)
- retval = ctx->Driver.RenderObjectPurgeable(ctx, bufObj, option);
-
- return retval;
+ bind_buffer_range_shader_storage_buffer(ctx, index, bufObj, offset, size);
}
-
-static GLenum
-texture_object_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
+static void
+bind_buffer_range_atomic_buffer(struct gl_context *ctx, GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
{
- struct gl_texture_object *bufObj;
- GLenum retval;
-
- bufObj = _mesa_lookup_texture(ctx, name);
if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectPurgeable(name = 0x%x)", name);
- return 0;
- }
-
- if (bufObj->Purgeable) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glObjectPurgeable(name = 0x%x) is already purgeable", name);
- return GL_VOLATILE_APPLE;
+ offset = -1;
+ size = -1;
}
- bufObj->Purgeable = GL_TRUE;
-
- retval = GL_VOLATILE_APPLE;
- if (ctx->Driver.TextureObjectPurgeable)
- retval = ctx->Driver.TextureObjectPurgeable(ctx, bufObj, option);
-
- return retval;
+ _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, bufObj);
+ bind_atomic_buffer(ctx, index, bufObj, offset, size, GL_FALSE);
}
-
-GLenum GLAPIENTRY
-_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option)
+/**
+ * Bind a region of a buffer object to an atomic storage block binding point.
+ * \param index the shader storage buffer binding point index
+ * \param bufObj the buffer object
+ * \param offset offset to the start of buffer object region
+ * \param size size of the buffer object region
+ */
+static void
+bind_buffer_range_atomic_buffer_err(struct gl_context *ctx,
+ GLuint index,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size)
{
- GLenum retval;
-
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+ if (index >= ctx->Const.MaxAtomicBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index);
+ return;
+ }
- if (name == 0) {
+ if (offset & (ATOMIC_COUNTER_SIZE - 1)) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectPurgeable(name = 0x%x)", name);
- return 0;
+ "glBindBufferRange(offset misaligned %d/%d)", (int) offset,
+ ATOMIC_COUNTER_SIZE);
+ return;
}
- switch (option) {
- case GL_VOLATILE_APPLE:
- case GL_RELEASED_APPLE:
- /* legal */
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glObjectPurgeable(name = 0x%x) invalid option: %d",
- name, option);
- return 0;
+ bind_buffer_range_atomic_buffer(ctx, index, bufObj, offset, size);
+}
+
+static inline bool
+bind_buffers_check_offset_and_size(struct gl_context *ctx,
+ GLuint index,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes)
+{
+ if (offsets[index] < 0) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_VALUE error is generated by BindBuffersRange if any
+ * value in <offsets> is less than zero (per binding)."
+ */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(offsets[%u]=%" PRId64 " < 0)",
+ index, (int64_t) offsets[index]);
+ return false;
}
- switch (objectType) {
- case GL_TEXTURE:
- retval = texture_object_purgeable(ctx, name, option);
- break;
- case GL_RENDERBUFFER_EXT:
- retval = renderbuffer_purgeable(ctx, name, option);
- break;
- case GL_BUFFER_OBJECT_APPLE:
- retval = buffer_object_purgeable(ctx, name, option);
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glObjectPurgeable(name = 0x%x) invalid type: %d",
- name, objectType);
- return 0;
+ if (sizes[index] <= 0) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_VALUE error is generated by BindBuffersRange if any
+ * value in <sizes> is less than or equal to zero (per binding)."
+ */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(sizes[%u]=%" PRId64 " <= 0)",
+ index, (int64_t) sizes[index]);
+ return false;
}
- /* In strict conformance to the spec, we must only return VOLATILE when
- * when passed the VOLATILE option. Madness.
- *
- * XXX First fix the spec, then fix me.
- */
- return option == GL_VOLATILE_APPLE ? GL_VOLATILE_APPLE : retval;
+ return true;
}
-
-static GLenum
-buffer_object_unpurgeable(struct gl_context *ctx, GLuint name, GLenum option)
+static bool
+error_check_bind_uniform_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const char *caller)
{
- struct gl_buffer_object *bufObj;
- GLenum retval;
-
- bufObj = _mesa_lookup_bufferobj(ctx, name);
- if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
- return 0;
+ if (!ctx->Extensions.ARB_uniform_buffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_UNIFORM_BUFFER)", caller);
+ return false;
}
- if (! bufObj->Purgeable) {
+ /* The ARB_multi_bind_spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count> is
+ * greater than the number of target-specific indexed binding points,
+ * as described in section 6.7.1."
+ */
+ if (first + count > ctx->Const.MaxUniformBufferBindings) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glObjectUnpurgeable(name = 0x%x) object is "
- " already \"unpurged\"", name);
- return 0;
+ "%s(first=%u + count=%d > the value of "
+ "GL_MAX_UNIFORM_BUFFER_BINDINGS=%u)",
+ caller, first, count,
+ ctx->Const.MaxUniformBufferBindings);
+ return false;
}
- bufObj->Purgeable = GL_FALSE;
-
- retval = option;
- if (ctx->Driver.BufferObjectUnpurgeable)
- retval = ctx->Driver.BufferObjectUnpurgeable(ctx, bufObj, option);
-
- return retval;
+ return true;
}
-
-static GLenum
-renderbuffer_unpurgeable(struct gl_context *ctx, GLuint name, GLenum option)
+static bool
+error_check_bind_shader_storage_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const char *caller)
{
- struct gl_renderbuffer *bufObj;
- GLenum retval;
-
- bufObj = _mesa_lookup_renderbuffer(ctx, name);
- if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
- return 0;
+ if (!ctx->Extensions.ARB_shader_storage_buffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_SHADER_STORAGE_BUFFER)", caller);
+ return false;
}
- if (! bufObj->Purgeable) {
+ /* The ARB_multi_bind_spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count> is
+ * greater than the number of target-specific indexed binding points,
+ * as described in section 6.7.1."
+ */
+ if (first + count > ctx->Const.MaxShaderStorageBufferBindings) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glObjectUnpurgeable(name = 0x%x) object is "
- " already \"unpurged\"", name);
- return 0;
+ "%s(first=%u + count=%d > the value of "
+ "GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS=%u)",
+ caller, first, count,
+ ctx->Const.MaxShaderStorageBufferBindings);
+ return false;
}
- bufObj->Purgeable = GL_FALSE;
-
- retval = option;
- if (ctx->Driver.RenderObjectUnpurgeable)
- retval = ctx->Driver.RenderObjectUnpurgeable(ctx, bufObj, option);
+ return true;
+}
- return retval;
+/**
+ * Unbind all uniform buffers in the range
+ * <first> through <first>+<count>-1
+ */
+static void
+unbind_uniform_buffers(struct gl_context *ctx, GLuint first, GLsizei count)
+{
+ for (int i = 0; i < count; i++)
+ set_buffer_binding(ctx, &ctx->UniformBufferBindings[first + i],
+ NULL, -1, -1, GL_TRUE, 0);
}
+/**
+ * Unbind all shader storage buffers in the range
+ * <first> through <first>+<count>-1
+ */
+static void
+unbind_shader_storage_buffers(struct gl_context *ctx, GLuint first,
+ GLsizei count)
+{
+ for (int i = 0; i < count; i++)
+ set_buffer_binding(ctx, &ctx->ShaderStorageBufferBindings[first + i],
+ NULL, -1, -1, GL_TRUE, 0);
+}
-static GLenum
-texture_object_unpurgeable(struct gl_context *ctx, GLuint name, GLenum option)
+static void
+bind_uniform_buffers(struct gl_context *ctx, GLuint first, GLsizei count,
+ const GLuint *buffers,
+ bool range,
+ const GLintptr *offsets, const GLsizeiptr *sizes,
+ const char *caller)
{
- struct gl_texture_object *bufObj;
- GLenum retval;
+ if (!error_check_bind_uniform_buffers(ctx, first, count, caller))
+ return;
- bufObj = _mesa_lookup_texture(ctx, name);
- if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
- return 0;
- }
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer;
- if (! bufObj->Purgeable) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glObjectUnpurgeable(name = 0x%x) object is"
- " already \"unpurged\"", name);
- return 0;
+ if (!buffers) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "If <buffers> is NULL, all bindings from <first> through
+ * <first>+<count>-1 are reset to their unbound (zero) state.
+ * In this case, the offsets and sizes associated with the
+ * binding points are set to default values, ignoring
+ * <offsets> and <sizes>."
+ */
+ unbind_uniform_buffers(ctx, first, count);
+ return;
}
- bufObj->Purgeable = GL_FALSE;
+ /* Note that the error semantics for multi-bind commands differ from
+ * those of other GL commands.
+ *
+ * The Issues section in the ARB_multi_bind spec says:
+ *
+ * "(11) Typically, OpenGL specifies that if an error is generated by a
+ * command, that command has no effect. This is somewhat
+ * unfortunate for multi-bind commands, because it would require a
+ * first pass to scan the entire list of bound objects for errors
+ * and then a second pass to actually perform the bindings.
+ * Should we have different error semantics?
+ *
+ * RESOLVED: Yes. In this specification, when the parameters for
+ * one of the <count> binding points are invalid, that binding point
+ * is not updated and an error will be generated. However, other
+ * binding points in the same command will be updated if their
+ * parameters are valid and no other error occurs."
+ */
- retval = option;
- if (ctx->Driver.TextureObjectUnpurgeable)
- retval = ctx->Driver.TextureObjectUnpurgeable(ctx, bufObj, option);
+ _mesa_HashLockMutex(ctx->Shared->BufferObjects);
- return retval;
-}
+ for (int i = 0; i < count; i++) {
+ struct gl_buffer_binding *binding =
+ &ctx->UniformBufferBindings[first + i];
+ GLintptr offset = 0;
+ GLsizeiptr size = 0;
+ if (range) {
+ if (!bind_buffers_check_offset_and_size(ctx, i, offsets, sizes))
+ continue;
-GLenum GLAPIENTRY
-_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_VALUE error is generated by BindBuffersRange if any
+ * pair of values in <offsets> and <sizes> does not respectively
+ * satisfy the constraints described for those parameters for the
+ * specified target, as described in section 6.7.1 (per binding)."
+ *
+ * Section 6.7.1 refers to table 6.5, which says:
+ *
+ * "┌───────────────────────────────────────────────────────────────┐
+ * │ Uniform buffer array bindings (see sec. 7.6) │
+ * ├─────────────────────┬─────────────────────────────────────────┤
+ * │ ... │ ... │
+ * │ offset restriction │ multiple of value of UNIFORM_BUFFER_- │
+ * │ │ OFFSET_ALIGNMENT │
+ * │ ... │ ... │
+ * │ size restriction │ none │
+ * └─────────────────────┴─────────────────────────────────────────┘"
+ */
+ if (offsets[i] & (ctx->Const.UniformBufferOffsetAlignment - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(offsets[%u]=%" PRId64
+ " is misaligned; it must be a multiple of the value of "
+ "GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT=%u when "
+ "target=GL_UNIFORM_BUFFER)",
+ i, (int64_t) offsets[i],
+ ctx->Const.UniformBufferOffsetAlignment);
+ continue;
+ }
- if (name == 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
- return 0;
- }
+ offset = offsets[i];
+ size = sizes[i];
+ }
- switch (option) {
- case GL_RETAINED_APPLE:
- case GL_UNDEFINED_APPLE:
- /* legal */
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glObjectUnpurgeable(name = 0x%x) invalid option: %d",
- name, option);
- return 0;
- }
-
- switch (objectType) {
- case GL_BUFFER_OBJECT_APPLE:
- return buffer_object_unpurgeable(ctx, name, option);
- case GL_TEXTURE:
- return texture_object_unpurgeable(ctx, name, option);
- case GL_RENDERBUFFER_EXT:
- return renderbuffer_unpurgeable(ctx, name, option);
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glObjectUnpurgeable(name = 0x%x) invalid type: %d",
- name, objectType);
- return 0;
+ set_buffer_multi_binding(ctx, buffers, i, caller,
+ binding, offset, size, range,
+ USAGE_UNIFORM_BUFFER);
}
-}
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+}
static void
-get_buffer_object_parameteriv(struct gl_context *ctx, GLuint name,
- GLenum pname, GLint *params)
+bind_shader_storage_buffers(struct gl_context *ctx, GLuint first,
+ GLsizei count, const GLuint *buffers,
+ bool range,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes,
+ const char *caller)
{
- struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, name);
- if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetObjectParameteriv(name = 0x%x) invalid object", name);
+ if (!error_check_bind_shader_storage_buffers(ctx, first, count, caller))
return;
- }
-
- switch (pname) {
- case GL_PURGEABLE_APPLE:
- *params = bufObj->Purgeable;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
- name, pname);
- break;
- }
-}
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewShaderStorageBuffer;
-static void
-get_renderbuffer_parameteriv(struct gl_context *ctx, GLuint name,
- GLenum pname, GLint *params)
-{
- struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, name);
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
+ if (!buffers) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "If <buffers> is NULL, all bindings from <first> through
+ * <first>+<count>-1 are reset to their unbound (zero) state.
+ * In this case, the offsets and sizes associated with the
+ * binding points are set to default values, ignoring
+ * <offsets> and <sizes>."
+ */
+ unbind_shader_storage_buffers(ctx, first, count);
return;
}
- switch (pname) {
- case GL_PURGEABLE_APPLE:
- *params = rb->Purgeable;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
- name, pname);
- break;
- }
-}
+ /* Note that the error semantics for multi-bind commands differ from
+ * those of other GL commands.
+ *
+ * The Issues section in the ARB_multi_bind spec says:
+ *
+ * "(11) Typically, OpenGL specifies that if an error is generated by a
+ * command, that command has no effect. This is somewhat
+ * unfortunate for multi-bind commands, because it would require a
+ * first pass to scan the entire list of bound objects for errors
+ * and then a second pass to actually perform the bindings.
+ * Should we have different error semantics?
+ *
+ * RESOLVED: Yes. In this specification, when the parameters for
+ * one of the <count> binding points are invalid, that binding point
+ * is not updated and an error will be generated. However, other
+ * binding points in the same command will be updated if their
+ * parameters are valid and no other error occurs."
+ */
+ _mesa_HashLockMutex(ctx->Shared->BufferObjects);
-static void
-get_texture_object_parameteriv(struct gl_context *ctx, GLuint name,
- GLenum pname, GLint *params)
-{
- struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, name);
- if (!texObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
- return;
- }
+ for (int i = 0; i < count; i++) {
+ struct gl_buffer_binding *binding =
+ &ctx->ShaderStorageBufferBindings[first + i];
+ GLintptr offset = 0;
+ GLsizeiptr size = 0;
+
+ if (range) {
+ if (!bind_buffers_check_offset_and_size(ctx, i, offsets, sizes))
+ continue;
+
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_VALUE error is generated by BindBuffersRange if any
+ * pair of values in <offsets> and <sizes> does not respectively
+ * satisfy the constraints described for those parameters for the
+ * specified target, as described in section 6.7.1 (per binding)."
+ *
+ * Section 6.7.1 refers to table 6.5, which says:
+ *
+ * "┌───────────────────────────────────────────────────────────────┐
+ * │ Shader storage buffer array bindings (see sec. 7.8) │
+ * ├─────────────────────┬─────────────────────────────────────────┤
+ * │ ... │ ... │
+ * │ offset restriction │ multiple of value of SHADER_STORAGE_- │
+ * │ │ BUFFER_OFFSET_ALIGNMENT │
+ * │ ... │ ... │
+ * │ size restriction │ none │
+ * └─────────────────────┴─────────────────────────────────────────┘"
+ */
+ if (offsets[i] & (ctx->Const.ShaderStorageBufferOffsetAlignment - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(offsets[%u]=%" PRId64
+ " is misaligned; it must be a multiple of the value of "
+ "GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT=%u when "
+ "target=GL_SHADER_STORAGE_BUFFER)",
+ i, (int64_t) offsets[i],
+ ctx->Const.ShaderStorageBufferOffsetAlignment);
+ continue;
+ }
- switch (pname) {
- case GL_PURGEABLE_APPLE:
- *params = texObj->Purgeable;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
- name, pname);
- break;
+ offset = offsets[i];
+ size = sizes[i];
+ }
+
+ set_buffer_multi_binding(ctx, buffers, i, caller,
+ binding, offset, size, range,
+ USAGE_SHADER_STORAGE_BUFFER);
}
-}
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+}
-void GLAPIENTRY
-_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
- GLint *params)
+static bool
+error_check_bind_xfb_buffers(struct gl_context *ctx,
+ struct gl_transform_feedback_object *tfObj,
+ GLuint first, GLsizei count, const char *caller)
{
- GET_CURRENT_CONTEXT(ctx);
+ if (!ctx->Extensions.EXT_transform_feedback) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_TRANSFORM_FEEDBACK_BUFFER)", caller);
+ return false;
+ }
- if (name == 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetObjectParameteriv(name = 0x%x)", name);
- return;
+ /* Page 398 of the PDF of the OpenGL 4.4 (Core Profile) spec says:
+ *
+ * "An INVALID_OPERATION error is generated :
+ *
+ * ...
+ * • by BindBufferRange or BindBufferBase if target is TRANSFORM_-
+ * FEEDBACK_BUFFER and transform feedback is currently active."
+ *
+ * We assume that this is also meant to apply to BindBuffersRange
+ * and BindBuffersBase.
+ */
+ if (tfObj->Active) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(Changing transform feedback buffers while "
+ "transform feedback is active)", caller);
+ return false;
}
- switch (objectType) {
- case GL_TEXTURE:
- get_texture_object_parameteriv(ctx, name, pname, params);
- break;
- case GL_BUFFER_OBJECT_APPLE:
- get_buffer_object_parameteriv(ctx, name, pname, params);
- break;
- case GL_RENDERBUFFER_EXT:
- get_renderbuffer_parameteriv(ctx, name, pname, params);
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetObjectParameteriv(name = 0x%x) invalid type: %d",
- name, objectType);
+ /* The ARB_multi_bind_spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count> is
+ * greater than the number of target-specific indexed binding points,
+ * as described in section 6.7.1."
+ */
+ if (first + count > ctx->Const.MaxTransformFeedbackBuffers) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(first=%u + count=%d > the value of "
+ "GL_MAX_TRANSFORM_FEEDBACK_BUFFERS=%u)",
+ caller, first, count,
+ ctx->Const.MaxTransformFeedbackBuffers);
+ return false;
}
+
+ return true;
}
/**
- * Binds a buffer object to a uniform buffer binding point.
- *
- * The caller is responsible for flushing vertices and updating
- * NewDriverState.
+ * Unbind all transform feedback buffers in the range
+ * <first> through <first>+<count>-1
*/
static void
-set_ubo_binding(struct gl_context *ctx,
- struct gl_uniform_buffer_binding *binding,
- struct gl_buffer_object *bufObj,
- GLintptr offset,
- GLsizeiptr size,
- GLboolean autoSize)
+unbind_xfb_buffers(struct gl_context *ctx,
+ struct gl_transform_feedback_object *tfObj,
+ GLuint first, GLsizei count)
{
- _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
-
- binding->Offset = offset;
- binding->Size = size;
- binding->AutomaticSize = autoSize;
+ for (int i = 0; i < count; i++)
+ _mesa_set_transform_feedback_binding(ctx, tfObj, first + i,
+ NULL, 0, 0);
}
-/**
- * Binds a buffer object to a uniform buffer binding point.
- *
- * Unlike set_ubo_binding(), this function also flushes vertices
- * and updates NewDriverState. It also checks if the binding
- * has actually changed before updating it.
- */
static void
-bind_uniform_buffer(struct gl_context *ctx,
- GLuint index,
- struct gl_buffer_object *bufObj,
- GLintptr offset,
- GLsizeiptr size,
- GLboolean autoSize)
+bind_xfb_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const GLuint *buffers,
+ bool range,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes,
+ const char *caller)
{
- struct gl_uniform_buffer_binding *binding =
- &ctx->UniformBufferBindings[index];
+ struct gl_transform_feedback_object *tfObj =
+ ctx->TransformFeedback.CurrentObject;
- if (binding->BufferObject == bufObj &&
- binding->Offset == offset &&
- binding->Size == size &&
- binding->AutomaticSize == autoSize) {
+ if (!error_check_bind_xfb_buffers(ctx, tfObj, first, count, caller))
return;
- }
+ /* Assume that at least one binding will be changed */
FLUSH_VERTICES(ctx, 0);
- ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer;
-
- set_ubo_binding(ctx, binding, bufObj, offset, size, autoSize);
-}
+ ctx->NewDriverState |= ctx->DriverFlags.NewTransformFeedback;
-/**
- * Bind a region of a buffer object to a uniform block binding point.
- * \param index the uniform buffer binding point index
- * \param bufObj the buffer object
- * \param offset offset to the start of buffer object region
- * \param size size of the buffer object region
- */
-static void
-bind_buffer_range_uniform_buffer(struct gl_context *ctx,
- GLuint index,
- struct gl_buffer_object *bufObj,
- GLintptr offset,
- GLsizeiptr size)
-{
- if (index >= ctx->Const.MaxUniformBufferBindings) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index);
+ if (!buffers) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "If <buffers> is NULL, all bindings from <first> through
+ * <first>+<count>-1 are reset to their unbound (zero) state.
+ * In this case, the offsets and sizes associated with the
+ * binding points are set to default values, ignoring
+ * <offsets> and <sizes>."
+ */
+ unbind_xfb_buffers(ctx, tfObj, first, count);
return;
}
- if (offset & (ctx->Const.UniformBufferOffsetAlignment - 1)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glBindBufferRange(offset misalgned %d/%d)", (int) offset,
- ctx->Const.UniformBufferOffsetAlignment);
- return;
- }
+ /* Note that the error semantics for multi-bind commands differ from
+ * those of other GL commands.
+ *
+ * The Issues section in the ARB_multi_bind spec says:
+ *
+ * "(11) Typically, OpenGL specifies that if an error is generated by a
+ * command, that command has no effect. This is somewhat
+ * unfortunate for multi-bind commands, because it would require a
+ * first pass to scan the entire list of bound objects for errors
+ * and then a second pass to actually perform the bindings.
+ * Should we have different error semantics?
+ *
+ * RESOLVED: Yes. In this specification, when the parameters for
+ * one of the <count> binding points are invalid, that binding point
+ * is not updated and an error will be generated. However, other
+ * binding points in the same command will be updated if their
+ * parameters are valid and no other error occurs."
+ */
+
+ _mesa_HashLockMutex(ctx->Shared->BufferObjects);
+
+ for (int i = 0; i < count; i++) {
+ const GLuint index = first + i;
+ struct gl_buffer_object * const boundBufObj = tfObj->Buffers[index];
+ struct gl_buffer_object *bufObj;
+ GLintptr offset = 0;
+ GLsizeiptr size = 0;
+
+ if (range) {
+ if (!bind_buffers_check_offset_and_size(ctx, i, offsets, sizes))
+ continue;
+
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_VALUE error is generated by BindBuffersRange if any
+ * pair of values in <offsets> and <sizes> does not respectively
+ * satisfy the constraints described for those parameters for the
+ * specified target, as described in section 6.7.1 (per binding)."
+ *
+ * Section 6.7.1 refers to table 6.5, which says:
+ *
+ * "┌───────────────────────────────────────────────────────────────┐
+ * │ Transform feedback array bindings (see sec. 13.2.2) │
+ * ├───────────────────────┬───────────────────────────────────────┤
+ * │ ... │ ... │
+ * │ offset restriction │ multiple of 4 │
+ * │ ... │ ... │
+ * │ size restriction │ multiple of 4 │
+ * └───────────────────────┴───────────────────────────────────────┘"
+ */
+ if (offsets[i] & 0x3) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(offsets[%u]=%" PRId64
+ " is misaligned; it must be a multiple of 4 when "
+ "target=GL_TRANSFORM_FEEDBACK_BUFFER)",
+ i, (int64_t) offsets[i]);
+ continue;
+ }
+
+ if (sizes[i] & 0x3) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(sizes[%u]=%" PRId64
+ " is misaligned; it must be a multiple of 4 when "
+ "target=GL_TRANSFORM_FEEDBACK_BUFFER)",
+ i, (int64_t) sizes[i]);
+ continue;
+ }
- if (bufObj == ctx->Shared->NullBufferObj) {
- offset = -1;
- size = -1;
+ offset = offsets[i];
+ size = sizes[i];
+ }
+
+ if (boundBufObj && boundBufObj->Name == buffers[i])
+ bufObj = boundBufObj;
+ else {
+ bool error;
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i, caller,
+ &error);
+ if (error)
+ continue;
+ }
+
+ _mesa_set_transform_feedback_binding(ctx, tfObj, index, bufObj,
+ offset, size);
}
- _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj);
- bind_uniform_buffer(ctx, index, bufObj, offset, size, GL_FALSE);
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
}
-
-/**
- * Bind a buffer object to a uniform block binding point.
- * As above, but offset = 0.
- */
-static void
-bind_buffer_base_uniform_buffer(struct gl_context *ctx,
- GLuint index,
- struct gl_buffer_object *bufObj)
+static bool
+error_check_bind_atomic_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const char *caller)
{
- if (index >= ctx->Const.MaxUniformBufferBindings) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferBase(index=%d)", index);
- return;
+ if (!ctx->Extensions.ARB_shader_atomic_counters) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_ATOMIC_COUNTER_BUFFER)", caller);
+ return false;
}
- _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj);
+ /* The ARB_multi_bind_spec says:
+ *
+ * "An INVALID_OPERATION error is generated if <first> + <count> is
+ * greater than the number of target-specific indexed binding points,
+ * as described in section 6.7.1."
+ */
+ if (first + count > ctx->Const.MaxAtomicBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(first=%u + count=%d > the value of "
+ "GL_MAX_ATOMIC_BUFFER_BINDINGS=%u)",
+ caller, first, count, ctx->Const.MaxAtomicBufferBindings);
+ return false;
+ }
- if (bufObj == ctx->Shared->NullBufferObj)
- bind_uniform_buffer(ctx, index, bufObj, -1, -1, GL_TRUE);
- else
- bind_uniform_buffer(ctx, index, bufObj, 0, 0, GL_TRUE);
+ return true;
}
/**
- * Binds a buffer object to an atomic buffer binding point.
- *
- * The caller is responsible for validating the offset,
- * flushing the vertices and updating NewDriverState.
+ * Unbind all atomic counter buffers in the range
+ * <first> through <first>+<count>-1
*/
static void
-set_atomic_buffer_binding(struct gl_context *ctx,
- struct gl_atomic_buffer_binding *binding,
- struct gl_buffer_object *bufObj,
- GLintptr offset,
- GLsizeiptr size)
+unbind_atomic_buffers(struct gl_context *ctx, GLuint first, GLsizei count)
{
- _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
-
- if (bufObj == ctx->Shared->NullBufferObj) {
- binding->Offset = -1;
- binding->Size = -1;
- } else {
- binding->Offset = offset;
- binding->Size = size;
- }
+ for (int i = 0; i < count; i++)
+ set_buffer_binding(ctx, &ctx->AtomicBufferBindings[first + i],
+ NULL, -1, -1, GL_TRUE, 0);
}
-/**
- * Binds a buffer object to an atomic buffer binding point.
- *
- * Unlike set_atomic_buffer_binding(), this function also validates the
- * index and offset, flushes vertices, and updates NewDriverState.
- * It also checks if the binding has actually changing before
- * updating it.
- */
static void
-bind_atomic_buffer(struct gl_context *ctx,
- unsigned index,
- struct gl_buffer_object *bufObj,
- GLintptr offset,
- GLsizeiptr size,
- const char *name)
+bind_atomic_buffers(struct gl_context *ctx,
+ GLuint first,
+ GLsizei count,
+ const GLuint *buffers,
+ bool range,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes,
+ const char *caller)
{
- struct gl_atomic_buffer_binding *binding;
+ if (!error_check_bind_atomic_buffers(ctx, first, count, caller))
+ return;
- if (index >= ctx->Const.MaxAtomicBufferBindings) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%d)", name, index);
- return;
- }
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer;
- if (offset & (ATOMIC_COUNTER_SIZE - 1)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "%s(offset misalgned %d/%d)", name, (int) offset,
- ATOMIC_COUNTER_SIZE);
+ if (!buffers) {
+ /* The ARB_multi_bind spec says:
+ *
+ * "If <buffers> is NULL, all bindings from <first> through
+ * <first>+<count>-1 are reset to their unbound (zero) state.
+ * In this case, the offsets and sizes associated with the
+ * binding points are set to default values, ignoring
+ * <offsets> and <sizes>."
+ */
+ unbind_atomic_buffers(ctx, first, count);
return;
}
- _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, bufObj);
+ /* Note that the error semantics for multi-bind commands differ from
+ * those of other GL commands.
+ *
+ * The Issues section in the ARB_multi_bind spec says:
+ *
+ * "(11) Typically, OpenGL specifies that if an error is generated by a
+ * command, that command has no effect. This is somewhat
+ * unfortunate for multi-bind commands, because it would require a
+ * first pass to scan the entire list of bound objects for errors
+ * and then a second pass to actually perform the bindings.
+ * Should we have different error semantics?
+ *
+ * RESOLVED: Yes. In this specification, when the parameters for
+ * one of the <count> binding points are invalid, that binding point
+ * is not updated and an error will be generated. However, other
+ * binding points in the same command will be updated if their
+ * parameters are valid and no other error occurs."
+ */
- binding = &ctx->AtomicBufferBindings[index];
- if (binding->BufferObject == bufObj &&
- binding->Offset == offset &&
- binding->Size == size) {
- return;
- }
+ _mesa_HashLockMutex(ctx->Shared->BufferObjects);
- FLUSH_VERTICES(ctx, 0);
- ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer;
+ for (int i = 0; i < count; i++) {
+ struct gl_buffer_binding *binding =
+ &ctx->AtomicBufferBindings[first + i];
+ GLintptr offset = 0;
+ GLsizeiptr size = 0;
+
+ if (range) {
+ if (!bind_buffers_check_offset_and_size(ctx, i, offsets, sizes))
+ continue;
+
+ /* The ARB_multi_bind spec says:
+ *
+ * "An INVALID_VALUE error is generated by BindBuffersRange if any
+ * pair of values in <offsets> and <sizes> does not respectively
+ * satisfy the constraints described for those parameters for the
+ * specified target, as described in section 6.7.1 (per binding)."
+ *
+ * Section 6.7.1 refers to table 6.5, which says:
+ *
+ * "┌───────────────────────────────────────────────────────────────┐
+ * │ Atomic counter array bindings (see sec. 7.7.2) │
+ * ├───────────────────────┬───────────────────────────────────────┤
+ * │ ... │ ... │
+ * │ offset restriction │ multiple of 4 │
+ * │ ... │ ... │
+ * │ size restriction │ none │
+ * └───────────────────────┴───────────────────────────────────────┘"
+ */
+ if (offsets[i] & (ATOMIC_COUNTER_SIZE - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBuffersRange(offsets[%u]=%" PRId64
+ " is misaligned; it must be a multiple of %d when "
+ "target=GL_ATOMIC_COUNTER_BUFFER)",
+ i, (int64_t) offsets[i], ATOMIC_COUNTER_SIZE);
+ continue;
+ }
+
+ offset = offsets[i];
+ size = sizes[i];
+ }
+
+ set_buffer_multi_binding(ctx, buffers, i, caller,
+ binding, offset, size, range,
+ USAGE_ATOMIC_COUNTER_BUFFER);
+ }
- set_atomic_buffer_binding(ctx, binding, bufObj, offset, size);
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
}
-void GLAPIENTRY
-_mesa_BindBufferRange(GLenum target, GLuint index,
- GLuint buffer, GLintptr offset, GLsizeiptr size)
+static ALWAYS_INLINE void
+bind_buffer_range(GLenum target, GLuint index, GLuint buffer, GLintptr offset,
+ GLsizeiptr size, bool no_error)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
+ if (MESA_VERBOSE & VERBOSE_API) {
+ _mesa_debug(ctx, "glBindBufferRange(%s, %u, %u, %lu, %lu)\n",
+ _mesa_enum_to_string(target), index, buffer,
+ (unsigned long) offset, (unsigned long) size);
+ }
+
if (buffer == 0) {
- bufObj = ctx->Shared->NullBufferObj;
+ bufObj = NULL;
} else {
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
- }
- if (!_mesa_handle_bind_buffer_gen(ctx, target, buffer,
- &bufObj, "glBindBufferRange"))
- return;
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glBindBufferRange"))
+ return;
- if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindBufferRange(invalid buffer=%u)", buffer);
- return;
+ if (!no_error && !bufObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindBufferRange(invalid buffer=%u)", buffer);
+ return;
+ }
}
- if (buffer != 0) {
- if (size <= 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)",
- (int) size);
+ if (no_error) {
+ switch (target) {
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ _mesa_bind_buffer_range_xfb(ctx, ctx->TransformFeedback.CurrentObject,
+ index, bufObj, offset, size);
+ return;
+ case GL_UNIFORM_BUFFER:
+ bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size);
+ return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_buffer_range_shader_storage_buffer(ctx, index, bufObj, offset,
+ size);
return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ bind_buffer_range_atomic_buffer(ctx, index, bufObj, offset, size);
+ return;
+ default:
+ unreachable("invalid BindBufferRange target with KHR_no_error");
+ }
+ } else {
+ if (buffer != 0) {
+ if (size <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)",
+ (int) size);
+ return;
+ }
}
- }
- switch (target) {
- case GL_TRANSFORM_FEEDBACK_BUFFER:
- _mesa_bind_buffer_range_transform_feedback(ctx, index, bufObj,
- offset, size);
- return;
- case GL_UNIFORM_BUFFER:
- bind_buffer_range_uniform_buffer(ctx, index, bufObj, offset, size);
- return;
- case GL_ATOMIC_COUNTER_BUFFER:
- bind_atomic_buffer(ctx, index, bufObj, offset, size,
- "glBindBufferRange");
- return;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)");
- return;
+ switch (target) {
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ if (!_mesa_validate_buffer_range_xfb(ctx,
+ ctx->TransformFeedback.CurrentObject,
+ index, bufObj, offset, size,
+ false))
+ return;
+
+ _mesa_bind_buffer_range_xfb(ctx, ctx->TransformFeedback.CurrentObject,
+ index, bufObj, offset, size);
+ return;
+ case GL_UNIFORM_BUFFER:
+ bind_buffer_range_uniform_buffer_err(ctx, index, bufObj, offset,
+ size);
+ return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_buffer_range_shader_storage_buffer_err(ctx, index, bufObj,
+ offset, size);
+ return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ bind_buffer_range_atomic_buffer_err(ctx, index, bufObj,
+ offset, size);
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)");
+ return;
+ }
}
}
+void GLAPIENTRY
+_mesa_BindBufferRange_no_error(GLenum target, GLuint index, GLuint buffer,
+ GLintptr offset, GLsizeiptr size)
+{
+ bind_buffer_range(target, index, buffer, offset, size, true);
+}
+
+void GLAPIENTRY
+_mesa_BindBufferRange(GLenum target, GLuint index,
+ GLuint buffer, GLintptr offset, GLsizeiptr size)
+{
+ bind_buffer_range(target, index, buffer, offset, size, false);
+}
+
void GLAPIENTRY
_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
+ if (MESA_VERBOSE & VERBOSE_API) {
+ _mesa_debug(ctx, "glBindBufferBase(%s, %u, %u)\n",
+ _mesa_enum_to_string(target), index, buffer);
+ }
+
if (buffer == 0) {
- bufObj = ctx->Shared->NullBufferObj;
+ bufObj = NULL;
} else {
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
- }
- if (!_mesa_handle_bind_buffer_gen(ctx, target, buffer,
- &bufObj, "glBindBufferBase"))
- return;
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+ &bufObj, "glBindBufferBase"))
+ return;
- if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindBufferBase(invalid buffer=%u)", buffer);
- return;
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindBufferBase(invalid buffer=%u)", buffer);
+ return;
+ }
}
/* Note that there's some oddness in the GL 3.1-GL 3.3 specifications with
switch (target) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
- _mesa_bind_buffer_base_transform_feedback(ctx, index, bufObj);
+ _mesa_bind_buffer_base_transform_feedback(ctx,
+ ctx->TransformFeedback.CurrentObject,
+ index, bufObj, false);
return;
case GL_UNIFORM_BUFFER:
bind_buffer_base_uniform_buffer(ctx, index, bufObj);
return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_buffer_base_shader_storage_buffer(ctx, index, bufObj);
+ return;
case GL_ATOMIC_COUNTER_BUFFER:
- bind_atomic_buffer(ctx, index, bufObj, 0, 0,
- "glBindBufferBase");
+ bind_buffer_base_atomic_buffer(ctx, index, bufObj);
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)");
const GLuint *buffers,
const GLintptr *offsets, const GLsizeiptr *sizes)
{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API) {
+ _mesa_debug(ctx, "glBindBuffersRange(%s, %u, %d, %p, %p, %p)\n",
+ _mesa_enum_to_string(target), first, count,
+ buffers, offsets, sizes);
+ }
+
+ switch (target) {
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ bind_xfb_buffers(ctx, first, count, buffers, true, offsets, sizes,
+ "glBindBuffersRange");
+ return;
+ case GL_UNIFORM_BUFFER:
+ bind_uniform_buffers(ctx, first, count, buffers, true, offsets, sizes,
+ "glBindBuffersRange");
+ return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_shader_storage_buffers(ctx, first, count, buffers, true, offsets, sizes,
+ "glBindBuffersRange");
+ return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ bind_atomic_buffers(ctx, first, count, buffers, true, offsets, sizes,
+ "glBindBuffersRange");
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindBuffersRange(target=%s)",
+ _mesa_enum_to_string(target));
+ break;
+ }
}
void GLAPIENTRY
_mesa_BindBuffersBase(GLenum target, GLuint first, GLsizei count,
const GLuint *buffers)
{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API) {
+ _mesa_debug(ctx, "glBindBuffersBase(%s, %u, %d, %p)\n",
+ _mesa_enum_to_string(target), first, count, buffers);
+ }
+
+ switch (target) {
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ bind_xfb_buffers(ctx, first, count, buffers, false, NULL, NULL,
+ "glBindBuffersBase");
+ return;
+ case GL_UNIFORM_BUFFER:
+ bind_uniform_buffers(ctx, first, count, buffers, false, NULL, NULL,
+ "glBindBuffersBase");
+ return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_shader_storage_buffers(ctx, first, count, buffers, false, NULL, NULL,
+ "glBindBuffersBase");
+ return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ bind_atomic_buffers(ctx, first, count, buffers, false, NULL, NULL,
+ "glBindBuffersBase");
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindBuffersBase(target=%s)",
+ _mesa_enum_to_string(target));
+ break;
+ }
+}
+
+static ALWAYS_INLINE void
+invalidate_buffer_subdata(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj, GLintptr offset,
+ GLsizeiptr length)
+{
+ if (ctx->Driver.InvalidateBufferSubData)
+ ctx->Driver.InvalidateBufferSubData(ctx, bufObj, offset, length);
+}
+
+void GLAPIENTRY
+_mesa_InvalidateBufferSubData_no_error(GLuint buffer, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ invalidate_buffer_subdata(ctx, bufObj, offset, length);
}
void GLAPIENTRY
struct gl_buffer_object *bufObj;
const GLintptr end = offset + length;
+ /* Section 6.5 (Invalidating Buffer Data) of the OpenGL 4.5 (Compatibility
+ * Profile) spec says:
+ *
+ * "An INVALID_VALUE error is generated if buffer is zero or is not the
+ * name of an existing buffer object."
+ */
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
- if (!bufObj) {
+ if (!bufObj || bufObj == &DummyBufferObject) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glInvalidateBufferSubData(name = 0x%x) invalid object",
+ "glInvalidateBufferSubData(name = %u) invalid object",
buffer);
return;
}
* negative, or if <offset> + <length> is greater than the value of
* BUFFER_SIZE."
*/
- if (end < 0 || end > bufObj->Size) {
+ if (offset < 0 || length < 0 || end > bufObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glInvalidateBufferSubData(invalid offset or length)");
return;
return;
}
- /* We don't actually do anything for this yet. Just return after
- * validating the parameters and generating the required errors.
- */
- return;
+ invalidate_buffer_subdata(ctx, bufObj, offset, length);
+}
+
+void GLAPIENTRY
+_mesa_InvalidateBufferData_no_error(GLuint buffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_buffer_object *bufObj =_mesa_lookup_bufferobj(ctx, buffer);
+ invalidate_buffer_subdata(ctx, bufObj, 0, bufObj->Size);
}
void GLAPIENTRY
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
+ /* Section 6.5 (Invalidating Buffer Data) of the OpenGL 4.5 (Compatibility
+ * Profile) spec says:
+ *
+ * "An INVALID_VALUE error is generated if buffer is zero or is not the
+ * name of an existing buffer object."
+ */
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
- if (!bufObj) {
+ if (!bufObj || bufObj == &DummyBufferObject) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glInvalidateBufferData(name = 0x%x) invalid object",
+ "glInvalidateBufferData(name = %u) invalid object",
buffer);
return;
}
return;
}
- /* We don't actually do anything for this yet. Just return after
- * validating the parameters and generating the required errors.
+ invalidate_buffer_subdata(ctx, bufObj, 0, bufObj->Size);
+}
+
+static void
+buffer_page_commitment(struct gl_context *ctx,
+ struct gl_buffer_object *bufferObj,
+ GLintptr offset, GLsizeiptr size,
+ GLboolean commit, const char *func)
+{
+ if (!(bufferObj->StorageFlags & GL_SPARSE_STORAGE_BIT_ARB)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(not a sparse buffer object)",
+ func);
+ return;
+ }
+
+ if (size < 0 || size > bufferObj->Size ||
+ offset < 0 || offset > bufferObj->Size - size) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(out of bounds)",
+ func);
+ return;
+ }
+
+ /* The GL_ARB_sparse_buffer extension specification says:
+ *
+ * "INVALID_VALUE is generated by BufferPageCommitmentARB if <offset> is
+ * not an integer multiple of SPARSE_BUFFER_PAGE_SIZE_ARB, or if <size>
+ * is not an integer multiple of SPARSE_BUFFER_PAGE_SIZE_ARB and does
+ * not extend to the end of the buffer's data store."
*/
- return;
+ if (offset % ctx->Const.SparseBufferPageSize != 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(offset not aligned to page size)",
+ func);
+ return;
+ }
+
+ if (size % ctx->Const.SparseBufferPageSize != 0 &&
+ offset + size != bufferObj->Size) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(size not aligned to page size)",
+ func);
+ return;
+ }
+
+ ctx->Driver.BufferPageCommitment(ctx, bufferObj, offset, size, commit);
+}
+
+void GLAPIENTRY
+_mesa_BufferPageCommitmentARB(GLenum target, GLintptr offset, GLsizeiptr size,
+ GLboolean commit)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufferObj;
+
+ bufferObj = get_buffer(ctx, "glBufferPageCommitmentARB", target,
+ GL_INVALID_ENUM);
+ if (!bufferObj)
+ return;
+
+ buffer_page_commitment(ctx, bufferObj, offset, size, commit,
+ "glBufferPageCommitmentARB");
+}
+
+void GLAPIENTRY
+_mesa_NamedBufferPageCommitmentARB(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, GLboolean commit)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufferObj;
+
+ bufferObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!bufferObj || bufferObj == &DummyBufferObject) {
+ /* Note: the extension spec is not clear about the excpected error value. */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glNamedBufferPageCommitmentARB(name = %u) invalid object",
+ buffer);
+ return;
+ }
+
+ buffer_page_commitment(ctx, bufferObj, offset, size, commit,
+ "glNamedBufferPageCommitmentARB");
+}
+
+void GLAPIENTRY
+_mesa_NamedBufferPageCommitmentEXT(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, GLboolean commit)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufferObj;
+
+ /* Use NamedBuffer* functions logic from EXT_direct_state_access */
+ if (buffer != 0) {
+ bufferObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer, &bufferObj,
+ "glNamedBufferPageCommitmentEXT"))
+ return;
+ } else {
+ /* GL_EXT_direct_state_access says about NamedBuffer* functions:
+ *
+ * There is no buffer corresponding to the name zero, these commands
+ * generate the INVALID_OPERATION error if the buffer parameter is
+ * zero.
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glNamedBufferPageCommitmentEXT(buffer = 0)");
+ return;
+ }
+ buffer_page_commitment(ctx, bufferObj, offset, size, commit,
+ "glNamedBufferPageCommitmentEXT");
}
projects / mesa.git / blobdiff