/*
* Mesa 3-D graphics library
- * Version: 7.6
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
*/
#include <stdbool.h>
+#include <inttypes.h> /* for PRId64 macro */
#include "glheader.h"
#include "enums.h"
#include "hash.h"
#include "context.h"
#include "bufferobj.h"
#include "fbobject.h"
-#include "mfeatures.h"
#include "mtypes.h"
#include "texobj.h"
+#include "teximage.h"
+#include "glformats.h"
+#include "texstore.h"
#include "transformfeedback.h"
#include "dispatch.h"
case GL_ARRAY_BUFFER_ARB:
return &ctx->Array.ArrayBufferObj;
case GL_ELEMENT_ARRAY_BUFFER_ARB:
- return &ctx->Array.ArrayObj->ElementArrayBufferObj;
+ return &ctx->Array.VAO->IndexBufferObj;
case GL_PIXEL_PACK_BUFFER_EXT:
return &ctx->Pack.BufferObj;
case GL_PIXEL_UNPACK_BUFFER_EXT:
return &ctx->CopyReadBuffer;
case GL_COPY_WRITE_BUFFER:
return &ctx->CopyWriteBuffer;
+ case GL_DRAW_INDIRECT_BUFFER:
+ if (ctx->API == API_OPENGL_CORE &&
+ ctx->Extensions.ARB_draw_indirect) {
+ return &ctx->DrawIndirectBuffer;
+ }
+ break;
case GL_TRANSFORM_FEEDBACK_BUFFER:
if (ctx->Extensions.EXT_transform_feedback) {
return &ctx->TransformFeedback.CurrentBuffer;
}
break;
case GL_TEXTURE_BUFFER:
- if (_mesa_is_desktop_gl(ctx)
- && ctx->Extensions.ARB_texture_buffer_object) {
+ if (ctx->API == API_OPENGL_CORE &&
+ ctx->Extensions.ARB_texture_buffer_object) {
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;
}
* Get the buffer object bound to the specified target in a GL context.
* \param ctx the GL context
* \param target the buffer object target to be retrieved.
+ * \param error the GL error to record if target is illegal.
* \return pointer to the buffer object bound to \c target in the
* specified context or \c NULL if \c target is invalid.
*/
static inline struct gl_buffer_object *
-get_buffer(struct gl_context *ctx, const char *func, GLenum target)
+get_buffer(struct gl_context *ctx, const char *func, GLenum target,
+ GLenum error)
{
struct gl_buffer_object **bufObj = get_buffer_target(ctx, target);
}
if (!_mesa_is_bufferobj(*bufObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(buffer 0)", func);
+ _mesa_error(ctx, error, "%s(no buffer bound)", func);
return NULL;
}
}
-static inline GLbitfield
-default_access_mode(const struct gl_context *ctx)
+/**
+ * Convert a GLbitfield describing the mapped buffer access flags
+ * into one of GL_READ_WRITE, GL_READ_ONLY, or GL_WRITE_ONLY.
+ */
+static GLenum
+simplified_access_mode(struct gl_context *ctx, GLbitfield access)
{
- /* Table 2.6 on page 31 (page 44 of the PDF) of the OpenGL 1.5 spec says:
+ const GLbitfield rwFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
+ if ((access & rwFlags) == rwFlags)
+ return GL_READ_WRITE;
+ if ((access & GL_MAP_READ_BIT) == GL_MAP_READ_BIT)
+ return GL_READ_ONLY;
+ if ((access & GL_MAP_WRITE_BIT) == GL_MAP_WRITE_BIT)
+ return GL_WRITE_ONLY;
+
+ /* Otherwise, AccessFlags is zero (the default state).
+ *
+ * Table 2.6 on page 31 (page 44 of the PDF) of the OpenGL 1.5 spec says:
*
* Name Type Initial Value Legal Values
* ... ... ... ...
* The difference is because GL_OES_mapbuffer only supports mapping buffers
* write-only.
*/
- return _mesa_is_gles(ctx)
- ? GL_MAP_WRITE_BIT : (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT);
+ assert(access == 0);
+
+ return _mesa_is_gles(ctx) ? GL_WRITE_ONLY : GL_READ_WRITE;
}
/**
- * Convert a GLbitfield describing the mapped buffer access flags
- * into one of GL_READ_WRITE, GL_READ_ONLY, or GL_WRITE_ONLY.
+ * Test if the buffer is mapped, and if so, if the mapped range overlaps the
+ * given range.
+ * The regions do not overlap if and only if the end of the given
+ * region is before the mapped region or the start of the given region
+ * is after the mapped region.
+ *
+ * \param obj Buffer object target on which to operate.
+ * \param offset Offset of the first byte of the subdata range.
+ * \param size Size, in bytes, of the subdata range.
+ * \return true if ranges overlap, false otherwise
+ *
*/
-static GLenum
-simplified_access_mode(GLbitfield access)
+static bool
+bufferobj_range_mapped(const struct gl_buffer_object *obj,
+ GLintptr offset, GLsizeiptr size)
{
- const GLbitfield rwFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
- if ((access & rwFlags) == rwFlags)
- return GL_READ_WRITE;
- if ((access & GL_MAP_READ_BIT) == GL_MAP_READ_BIT)
- return GL_READ_ONLY;
- if ((access & GL_MAP_WRITE_BIT) == GL_MAP_WRITE_BIT)
- return GL_WRITE_ONLY;
- return GL_READ_WRITE; /* this should never happen, but no big deal */
+ if (_mesa_bufferobj_mapped(obj, MAP_USER)) {
+ const GLintptr end = offset + size;
+ const GLintptr mapEnd = obj->Mappings[MAP_USER].Offset +
+ obj->Mappings[MAP_USER].Length;
+
+ if (!(end <= obj->Mappings[MAP_USER].Offset || offset >= mapEnd)) {
+ return true;
+ }
+ }
+ return false;
}
/**
* Tests the subdata range parameters and sets the GL error code for
- * \c glBufferSubDataARB and \c glGetBufferSubDataARB.
+ * \c glBufferSubDataARB, \c glGetBufferSubDataARB and
+ * \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 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 for \c glBufferSubDataARB or \c glGetBufferSubDataARB
- * are invalid.
+ * \return false if error, true otherwise
*
- * \sa glBufferSubDataARB, glGetBufferSubDataARB
+ * \sa glBufferSubDataARB, glGetBufferSubDataARB, glClearBufferSubData
*/
-static struct gl_buffer_object *
-buffer_object_subdata_range_good( struct gl_context * ctx, GLenum target,
- GLintptrARB offset, GLsizeiptrARB size,
- const char *caller )
+static bool
+buffer_object_subdata_range_good(struct gl_context *ctx,
+ 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);
- if (!bufObj)
- return NULL;
-
if (offset + size > bufObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "%s(offset %lu + size %lu > buffer size %lu)", caller,
+ "%s(offset %lu + size %lu > buffer size %lu)", caller,
(unsigned long) offset,
(unsigned long) size,
(unsigned long) bufObj->Size);
- return NULL;
+ return false;
}
- if (_mesa_bufferobj_mapped(bufObj)) {
- /* Buffer is currently mapped */
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
- return NULL;
+
+ if (bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_PERSISTENT_BIT)
+ return true;
+
+ if (mappedRange) {
+ if (bufferobj_range_mapped(bufObj, offset, size)) {
+ _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(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.
+ *
+ * \param ctx GL context.
+ * \param internalformat Format to which the data is to be converted.
+ * \param format Format of the supplied data.
+ * \param type Type of the supplied data.
+ * \param caller Name of calling function for recording errors.
+ * \return If internalformat, format and type are legal the mesa_format
+ * corresponding to internalformat, otherwise MESA_FORMAT_NONE.
+ *
+ * \sa glClearBufferData and glClearBufferSubData
+ */
+static mesa_format
+validate_clear_buffer_format(struct gl_context *ctx,
+ GLenum internalformat,
+ GLenum format, GLenum type,
+ const char *caller)
+{
+ mesa_format mesaFormat;
+ GLenum errorFormatType;
+
+ mesaFormat = _mesa_validate_texbuffer_format(ctx, internalformat);
+ if (mesaFormat == MESA_FORMAT_NONE) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(invalid internalformat)", caller);
+ return MESA_FORMAT_NONE;
+ }
+
+ /* NOTE: not mentioned in ARB_clear_buffer_object but according to
+ * EXT_texture_integer there is no conversion between integer and
+ * non-integer formats
+ */
+ if (_mesa_is_enum_format_signed_int(format) !=
+ _mesa_is_format_integer_color(mesaFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(integer vs non-integer)", caller);
+ return MESA_FORMAT_NONE;
+ }
+
+ if (!_mesa_is_color_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%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,
+ "%s(invalid format or type)", caller);
+ return MESA_FORMAT_NONE;
+ }
+
+ return mesaFormat;
+}
+
+
+/**
+ * Convert user-specified clear value to the specified internal format.
+ *
+ * \param ctx GL context.
+ * \param internalformat Format to which the data is converted.
+ * \param clearValue Points to the converted clear value.
+ * \param format Format of the supplied data.
+ * \param type Type of the supplied data.
+ * \param data Data which is to be converted to internalformat.
+ * \param caller Name of calling function for recording errors.
+ * \return true if data could be converted, false otherwise.
+ *
+ * \sa glClearBufferData, glClearBufferSubData
+ */
+static bool
+convert_clear_buffer_data(struct gl_context *ctx,
+ mesa_format internalformat,
+ GLubyte *clearValue, GLenum format, GLenum type,
+ const GLvoid *data, const char *caller)
+{
+ GLenum internalformatBase = _mesa_get_format_base_format(internalformat);
+
+ if (_mesa_texstore(ctx, 1, internalformatBase, internalformat,
+ 0, &clearValue, 1, 1, 1,
+ format, type, data, &ctx->Unpack)) {
+ return true;
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
+ return false;
+ }
}
* 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;
obj = MALLOC_STRUCT(gl_buffer_object);
- _mesa_initialize_buffer_object(ctx, obj, name, target);
+ _mesa_initialize_buffer_object(ctx, obj, name);
return obj;
}
{
(void) ctx;
- free(bufObj->Data);
+ _mesa_align_free(bufObj->Data);
/* assign strange values here to help w/ debugging */
bufObj->RefCount = -1000;
bufObj->Name = ~0;
- _glthread_DESTROY_MUTEX(bufObj->Mutex);
+ mtx_destroy(&bufObj->Mutex);
+ free(bufObj->Label);
free(bufObj);
}
GLboolean deleteFlag = GL_FALSE;
struct gl_buffer_object *oldObj = *ptr;
- _glthread_LOCK_MUTEX(oldObj->Mutex);
- ASSERT(oldObj->RefCount > 0);
+ 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);
- _glthread_UNLOCK_MUTEX(oldObj->Mutex);
+ 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.ArrayObj->ElementArrayBufferObj != bufObj);
- ASSERT(ctx->Array.ArrayObj->Vertex.BufferObj != bufObj);
+ assert(ctx->Array.ArrayBufferObj != bufObj);
+ assert(ctx->Array.VAO->IndexBufferObj != bufObj);
+ assert(ctx->Array.VAO->Vertex.BufferObj != bufObj);
#endif
- ASSERT(ctx->Driver.DeleteBuffer);
+ assert(ctx->Driver.DeleteBuffer);
ctx->Driver.DeleteBuffer(ctx, oldObj);
}
*ptr = NULL;
}
- ASSERT(!*ptr);
+ assert(!*ptr);
if (bufObj) {
/* reference new buffer */
- _glthread_LOCK_MUTEX(bufObj->Mutex);
+ 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. */
#endif
*ptr = bufObj;
}
- _glthread_UNLOCK_MUTEX(bufObj->Mutex);
+ mtx_unlock(&bufObj->Mutex);
}
}
* 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));
- _glthread_INIT_MUTEX(obj->Mutex);
+ mtx_init(&obj->Mutex, mtx_plain);
obj->RefCount = 1;
obj->Name = name;
obj->Usage = GL_STATIC_DRAW_ARB;
- obj->AccessFlags = default_access_mode(ctx);
}
* \sa glBufferDataARB, dd_function_table::BufferData.
*/
static GLboolean
-_mesa_buffer_data( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
- const GLvoid * data, GLenum usage,
- struct gl_buffer_object * bufObj )
+buffer_data_fallback(struct gl_context *ctx, GLenum target, GLsizeiptr size,
+ const GLvoid *data, GLenum usage, GLenum storageFlags,
+ struct gl_buffer_object *bufObj)
{
void * new_data;
- (void) ctx; (void) target;
+ (void) target;
+
+ _mesa_align_free( bufObj->Data );
- new_data = _mesa_realloc( bufObj->Data, bufObj->Size, size );
+ new_data = _mesa_align_malloc( size, ctx->Const.MinMapBufferAlignment );
if (new_data) {
bufObj->Data = (GLubyte *) new_data;
bufObj->Size = size;
bufObj->Usage = usage;
+ bufObj->StorageFlags = storageFlags;
if (data) {
memcpy( bufObj->Data, data, size );
* Note that all GL error checking will have been done already.
*
* \param ctx GL context.
- * \param target Buffer object target on which to operate.
* \param offset Offset of the first byte to be modified.
* \param size Size, in bytes, of the data range.
* \param data Pointer to the data to store in the buffer object.
* \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, GLintptr offset,
+ GLsizeiptr 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 );
}
+/**
+ * Clear a subrange of the buffer object with copies of the supplied data.
+ * If data is NULL the buffer is filled with zeros.
+ *
+ * This is the default callback for \c dd_function_table::ClearBufferSubData()
+ * Note that all GL error checking will have been done already.
+ *
+ * \param ctx GL context.
+ * \param offset Offset of the first byte to be cleared.
+ * \param size Size, in bytes, of the to be cleared range.
+ * \param clearValue Source of the data.
+ * \param clearValueSize Size, in bytes, of the supplied data.
+ * \param bufObj Object to be cleared.
+ *
+ * \sa glClearBufferSubData, glClearBufferData and
+ * dd_function_table::ClearBufferSubData.
+ */
+void
+_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);
+ dest = ctx->Driver.MapBufferRange(ctx, offset, size,
+ GL_MAP_WRITE_BIT |
+ GL_MAP_INVALIDATE_RANGE_BIT,
+ bufObj, MAP_INTERNAL);
+
+ if (!dest) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glClearBuffer[Sub]Data");
+ return;
+ }
+
+ if (clearValue == NULL) {
+ /* Clear with zeros, per the spec */
+ memset(dest, 0, size);
+ ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL);
+ return;
+ }
+
+ for (i = 0; i < size/clearValueSize; ++i) {
+ memcpy(dest, clearValue, clearValueSize);
+ dest += clearValueSize;
+ }
+
+ ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL);
+}
+
+
/**
* Default fallback for \c dd_function_table::MapBufferRange().
* Called via glMapBufferRange().
*/
static void *
-_mesa_buffer_map_range( struct gl_context *ctx, GLintptr offset,
- GLsizeiptr length, GLbitfield access,
- struct gl_buffer_object *bufObj )
+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));
+ assert(!_mesa_bufferobj_mapped(bufObj, index));
/* Just return a direct pointer to the data */
- bufObj->Pointer = bufObj->Data + offset;
- bufObj->Length = length;
- bufObj->Offset = offset;
- bufObj->AccessFlags = access;
- return bufObj->Pointer;
+ bufObj->Mappings[index].Pointer = bufObj->Data + offset;
+ bufObj->Mappings[index].Length = length;
+ bufObj->Mappings[index].Offset = offset;
+ bufObj->Mappings[index].AccessFlags = access;
+ return bufObj->Mappings[index].Pointer;
}
* Called via glFlushMappedBufferRange().
*/
static void
-_mesa_buffer_flush_mapped_range( struct gl_context *ctx,
- GLintptr offset, GLsizeiptr length,
- struct gl_buffer_object *obj )
+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;
/**
- * 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 )
+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 */
- bufObj->Pointer = NULL;
- bufObj->Length = 0;
- bufObj->Offset = 0;
- bufObj->AccessFlags = 0x0;
+ bufObj->Mappings[index].Pointer = NULL;
+ bufObj->Mappings[index].Length = 0;
+ bufObj->Mappings[index].Offset = 0;
+ bufObj->Mappings[index].AccessFlags = 0x0;
return GL_TRUE;
}
* 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;
- /* the buffers should not be mapped */
- assert(!_mesa_bufferobj_mapped(src));
- assert(!_mesa_bufferobj_mapped(dst));
-
if (src == dst) {
srcPtr = dstPtr = ctx->Driver.MapBufferRange(ctx, 0, src->Size,
GL_MAP_READ_BIT |
- GL_MAP_WRITE_BIT, src);
+ GL_MAP_WRITE_BIT, src,
+ MAP_INTERNAL);
if (!srcPtr)
return;
dstPtr += writeOffset;
} else {
srcPtr = ctx->Driver.MapBufferRange(ctx, readOffset, size,
- GL_MAP_READ_BIT, src);
+ GL_MAP_READ_BIT, src,
+ MAP_INTERNAL);
dstPtr = ctx->Driver.MapBufferRange(ctx, writeOffset, size,
(GL_MAP_WRITE_BIT |
- GL_MAP_INVALIDATE_RANGE_BIT), dst);
+ GL_MAP_INVALIDATE_RANGE_BIT), dst,
+ MAP_INTERNAL);
}
/* Note: the src and dst regions will never overlap. Trying to do so
if (srcPtr && dstPtr)
memcpy(dstPtr, srcPtr, size);
- ctx->Driver.UnmapBuffer(ctx, src);
+ ctx->Driver.UnmapBuffer(ctx, src, MAP_INTERNAL);
if (dst != src)
- ctx->Driver.UnmapBuffer(ctx, dst);
+ ctx->Driver.UnmapBuffer(ctx, dst, MAP_INTERNAL);
}
GLuint i;
memset(&DummyBufferObject, 0, sizeof(DummyBufferObject));
- _glthread_INIT_MUTEX(DummyBufferObject.Mutex);
+ mtx_init(&DummyBufferObject.Mutex, mtx_plain);
DummyBufferObject.RefCount = 1000*1000*1000; /* never delete */
_mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj,
_mesa_reference_buffer_object(ctx, &ctx->CopyWriteBuffer,
ctx->Shared->NullBufferObj);
- ctx->UniformBufferBindings = calloc(ctx->Const.MaxUniformBufferBindings,
- sizeof(*ctx->UniformBufferBindings));
-
_mesa_reference_buffer_object(ctx, &ctx->UniformBuffer,
ctx->Shared->NullBufferObj);
- for (i = 0; i < ctx->Const.MaxUniformBufferBindings; i++) {
+ _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer,
+ ctx->Shared->NullBufferObj);
+
+ _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer,
+ 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);
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,
+ ctx->Shared->NullBufferObj);
+ 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,
+ ctx->Shared->NullBufferObj);
+ ctx->AtomicBufferBindings[i].Offset = -1;
+ ctx->AtomicBufferBindings[i].Size = -1;
+ }
}
_mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, NULL);
- for (i = 0; i < ctx->Const.MaxUniformBufferBindings; i++) {
+ _mesa_reference_buffer_object(ctx, &ctx->ShaderStorageBuffer, NULL);
+
+ _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, NULL);
+
+ _mesa_reference_buffer_object(ctx, &ctx->DrawIndirectBuffer, NULL);
+
+ for (i = 0; i < MAX_COMBINED_UNIFORM_BUFFERS; i++) {
_mesa_reference_buffer_object(ctx,
&ctx->UniformBufferBindings[i].BufferObject,
NULL);
}
- free(ctx->UniformBufferBindings);
- ctx->UniformBufferBindings = 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);
+ }
+
}
-static void
-handle_bind_buffer_gen(struct gl_context *ctx,
- GLenum target,
- GLuint buffer,
- struct gl_buffer_object **buf_handle)
+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) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-gen name)", caller);
+ return false;
+ }
+
if (!buf || buf == &DummyBufferObject) {
/* 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);
+ assert(ctx->Driver.NewBufferObject);
+ buf = ctx->Driver.NewBufferObject(ctx, buffer);
if (!buf) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindBufferARB");
- return;
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
+ return false;
}
_mesa_HashInsert(ctx->Shared->BufferObjects, buffer, buf);
*buf_handle = buf;
}
+
+ return true;
}
/**
else {
/* non-default buffer object */
newBufObj = _mesa_lookup_bufferobj(ctx, buffer);
- if (newBufObj == NULL && ctx->API == API_OPENGL_CORE) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBindBuffer(non-gen name)");
+ if (!_mesa_handle_bind_buffer_gen(ctx, target, buffer,
+ &newBufObj, "glBindBuffer"))
return;
- }
- handle_bind_buffer_gen(ctx, target, buffer, &newBufObj);
}
/* bind new buffer */
_mesa_reference_buffer_object(ctx, bindTarget, newBufObj);
-
- /* Pass BindBuffer call to device driver */
- if (ctx->Driver.BindBuffer)
- ctx->Driver.BindBuffer( ctx, target, newBufObj );
}
}
+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);
+}
+
+/**
+ * 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)
+{
+ 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;
+ }
+
+ return bufObj;
+}
+
+
+void
+_mesa_begin_bufferobj_lookups(struct gl_context *ctx)
+{
+ _mesa_HashLockMutex(ctx->Shared->BufferObjects);
+}
+
+
+void
+_mesa_end_bufferobj_lookups(struct gl_context *ctx)
+{
+ _mesa_HashUnlockMutex(ctx->Shared->BufferObjects);
+}
+
+
+/**
+ * Look up a buffer object for a multi-bind function.
+ *
+ * Unlike _mesa_lookup_bufferobj(), this function also takes care
+ * of generating an error if the buffer ID is not zero or the name
+ * 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.
+ *
+ * This function assumes that the caller has already locked the
+ * hash table mutex by calling _mesa_begin_bufferobj_lookups().
+ */
+struct gl_buffer_object *
+_mesa_multi_bind_lookup_bufferobj(struct gl_context *ctx,
+ const GLuint *buffers,
+ GLuint index, const char *caller)
+{
+ struct gl_buffer_object *bufObj;
+
+ if (buffers[index] != 0) {
+ bufObj = _mesa_lookup_bufferobj_locked(ctx, buffers[index]);
+
+ /* The multi-bind functions don't create the buffer objects
+ 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]);
+ }
+
+ return bufObj;
+}
+
+
/**
* If *ptr points to obj, set ptr = the Null/default buffer object.
* This is a helper for buffer object deletion.
/* GL_ARB_vertex/pixel_buffer_object */
driver->NewBufferObject = _mesa_new_buffer_object;
driver->DeleteBuffer = _mesa_delete_buffer_object;
- driver->BindBuffer = NULL;
- driver->BufferData = _mesa_buffer_data;
- driver->BufferSubData = _mesa_buffer_subdata;
+ driver->BufferData = buffer_data_fallback;
+ driver->BufferSubData = buffer_sub_data_fallback;
driver->GetBufferSubData = _mesa_buffer_get_subdata;
- driver->UnmapBuffer = _mesa_buffer_unmap;
+ driver->UnmapBuffer = unmap_buffer_fallback;
+
+ /* GL_ARB_clear_buffer_object */
+ 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;
}
+void
+_mesa_buffer_unmap_all_mappings(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj)
+{
+ int i;
+
+ for (i = 0; i < MAP_COUNT; i++) {
+ if (_mesa_bufferobj_mapped(bufObj, i)) {
+ ctx->Driver.UnmapBuffer(ctx, bufObj, i);
+ assert(bufObj->Mappings[i].Pointer == NULL);
+ bufObj->Mappings[i].AccessFlags = 0;
+ }
+ }
+}
+
/**********************************************************************/
/* API Functions */
/**********************************************************************/
void GLAPIENTRY
-_mesa_BindBufferARB(GLenum target, GLuint buffer)
+_mesa_BindBuffer(GLenum target, GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBindBuffer(%s, %u)\n",
* \param ids Array of \c n buffer object IDs.
*/
void GLAPIENTRY
-_mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
+_mesa_DeleteBuffers(GLsizei n, const GLuint *ids)
{
GET_CURRENT_CONTEXT(ctx);
GLsizei i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, 0);
if (n < 0) {
return;
}
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_lock(&ctx->Shared->Mutex);
for (i = 0; i < n; i++) {
struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, ids[i]);
if (bufObj) {
- struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ struct gl_vertex_array_object *vao = ctx->Array.VAO;
GLuint j;
- ASSERT(bufObj->Name == ids[i] || bufObj == &DummyBufferObject);
+ assert(bufObj->Name == ids[i] || bufObj == &DummyBufferObject);
- if (_mesa_bufferobj_mapped(bufObj)) {
- /* if mapped, unmap it now */
- ctx->Driver.UnmapBuffer(ctx, bufObj);
- bufObj->AccessFlags = default_access_mode(ctx);
- bufObj->Pointer = NULL;
- }
+ _mesa_buffer_unmap_all_mappings(ctx, bufObj);
/* unbind any vertex pointers bound to this buffer */
- for (j = 0; j < Elements(arrayObj->VertexAttrib); j++) {
- unbind(ctx, &arrayObj->VertexAttrib[j].BufferObj, bufObj);
+ for (j = 0; j < ARRAY_SIZE(vao->VertexBinding); j++) {
+ unbind(ctx, &vao->VertexBinding[j].BufferObj, bufObj);
}
if (ctx->Array.ArrayBufferObj == bufObj) {
- _mesa_BindBufferARB( GL_ARRAY_BUFFER_ARB, 0 );
+ _mesa_BindBuffer( GL_ARRAY_BUFFER_ARB, 0 );
}
- if (arrayObj->ElementArrayBufferObj == bufObj) {
- _mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
+ if (vao->IndexBufferObj == bufObj) {
+ _mesa_BindBuffer( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
+ }
+
+ /* unbind ARB_draw_indirect binding point */
+ if (ctx->DrawIndirectBuffer == bufObj) {
+ _mesa_BindBuffer( GL_DRAW_INDIRECT_BUFFER, 0 );
}
/* unbind ARB_copy_buffer binding points */
if (ctx->CopyReadBuffer == bufObj) {
- _mesa_BindBufferARB( GL_COPY_READ_BUFFER, 0 );
+ _mesa_BindBuffer( GL_COPY_READ_BUFFER, 0 );
}
if (ctx->CopyWriteBuffer == bufObj) {
- _mesa_BindBufferARB( GL_COPY_WRITE_BUFFER, 0 );
+ _mesa_BindBuffer( GL_COPY_WRITE_BUFFER, 0 );
}
/* unbind transform feedback binding points */
if (ctx->TransformFeedback.CurrentBuffer == bufObj) {
- _mesa_BindBufferARB( GL_TRANSFORM_FEEDBACK_BUFFER, 0 );
+ _mesa_BindBuffer( GL_TRANSFORM_FEEDBACK_BUFFER, 0 );
}
for (j = 0; j < MAX_FEEDBACK_BUFFERS; j++) {
if (ctx->TransformFeedback.CurrentObject->Buffers[j] == bufObj) {
}
if (ctx->UniformBuffer == bufObj) {
- _mesa_BindBufferARB( GL_UNIFORM_BUFFER, 0 );
+ _mesa_BindBuffer( GL_UNIFORM_BUFFER, 0 );
+ }
+
+ /* unbind SSBO binding points */
+ for (j = 0; j < ctx->Const.MaxShaderStorageBufferBindings; j++) {
+ if (ctx->ShaderStorageBufferBindings[j].BufferObject == bufObj) {
+ _mesa_BindBufferBase(GL_SHADER_STORAGE_BUFFER, j, 0);
+ }
+ }
+
+ if (ctx->ShaderStorageBuffer == bufObj) {
+ _mesa_BindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
+ }
+
+ /* unbind Atomci Buffer binding points */
+ for (j = 0; j < ctx->Const.MaxAtomicBufferBindings; j++) {
+ if (ctx->AtomicBufferBindings[j].BufferObject == bufObj) {
+ _mesa_BindBufferBase( GL_ATOMIC_COUNTER_BUFFER, j, 0 );
+ }
+ }
+
+ if (ctx->AtomicBuffer == bufObj) {
+ _mesa_BindBuffer( GL_ATOMIC_COUNTER_BUFFER, 0 );
}
/* unbind any pixel pack/unpack pointers bound to this buffer */
if (ctx->Pack.BufferObj == bufObj) {
- _mesa_BindBufferARB( GL_PIXEL_PACK_BUFFER_EXT, 0 );
+ _mesa_BindBuffer( GL_PIXEL_PACK_BUFFER_EXT, 0 );
}
if (ctx->Unpack.BufferObj == bufObj) {
- _mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
+ _mesa_BindBuffer( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
}
if (ctx->Texture.BufferObject == bufObj) {
- _mesa_BindBufferARB( GL_TEXTURE_BUFFER, 0 );
+ _mesa_BindBuffer( GL_TEXTURE_BUFFER, 0 );
+ }
+
+ if (ctx->ExternalVirtualMemoryBuffer == bufObj) {
+ _mesa_BindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, 0);
}
/* The ID is immediately freed for re-use */
}
}
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_unlock(&ctx->Shared->Mutex);
}
/**
- * 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.
+ * 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.
*/
-void GLAPIENTRY
-_mesa_GenBuffersARB(GLsizei n, GLuint *buffer)
+static void
+create_buffers(GLsizei n, GLuint *buffers, bool dsa)
{
GET_CURRENT_CONTEXT(ctx);
GLuint first;
GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ struct gl_buffer_object *buf;
+
+ const char *func = dsa ? "glCreateBuffers" : "glGenBuffers";
if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glGenBuffers(%d)\n", n);
+ _mesa_debug(ctx, "%s(%d)\n", func, n);
if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenBuffersARB");
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(n %d < 0)", func, n);
return;
}
- if (!buffer) {
+ if (!buffers) {
return;
}
/*
* This must be atomic (generation and allocation of buffer object IDs)
*/
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_lock(&ctx->Shared->Mutex);
first = _mesa_HashFindFreeKeyBlock(ctx->Shared->BufferObjects, n);
- /* Insert the ID and pointer to dummy buffer object into hash table */
+ /* 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 (i = 0; i < n; i++) {
- _mesa_HashInsert(ctx->Shared->BufferObjects, first + i,
- &DummyBufferObject);
- buffer[i] = first + 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, "%s", func);
+ mtx_unlock(&ctx->Shared->Mutex);
+ return;
+ }
+ }
+ else
+ buf = &DummyBufferObject;
+
+ _mesa_HashInsert(ctx->Shared->BufferObjects, buffers[i], buf);
}
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_unlock(&ctx->Shared->Mutex);
+}
+
+/**
+ * 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(GLsizei n, GLuint *buffers)
+{
+ create_buffers(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(GLsizei n, GLuint *buffers)
+{
+ create_buffers(n, buffers, true);
}
* \c GL_FALSE otherwise.
*/
GLboolean GLAPIENTRY
-_mesa_IsBufferARB(GLuint id)
+_mesa_IsBuffer(GLuint id)
{
struct gl_buffer_object *bufObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_lock(&ctx->Shared->Mutex);
bufObj = _mesa_lookup_bufferobj(ctx, id);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_unlock(&ctx->Shared->Mutex);
return bufObj && bufObj != &DummyBufferObject;
}
-void GLAPIENTRY
-_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size,
- const GLvoid * data, GLenum usage)
+void
+_mesa_buffer_storage(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLbitfield flags, const char *func)
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *bufObj;
- bool valid_usage;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (size <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(size <= 0)", func);
+ 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, "%s(invalid flag bits set)", func);
+ return;
+ }
+
+ 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;
+ }
+
+ if (flags & GL_MAP_COHERENT_BIT && !(flags & GL_MAP_PERSISTENT_BIT)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(COHERENT and flags!=PERSISTENT)", func);
+ return;
+ }
+
+ if (bufObj->Immutable) {
+ _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, _NEW_BUFFER_OBJECT);
+
+ bufObj->Written = GL_TRUE;
+ bufObj->Immutable = GL_TRUE;
+
+ assert(ctx->Driver.BufferData);
+ if (!ctx->Driver.BufferData(ctx, target, size, data, GL_DYNAMIC_DRAW,
+ flags, bufObj)) {
+ 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);
+ }
+ }
+}
+
+void GLAPIENTRY
+_mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLbitfield flags)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glBufferStorage", target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ _mesa_buffer_storage(ctx, bufObj, target, size, data, flags,
+ "glBufferStorage");
+}
+
+void GLAPIENTRY
+_mesa_NamedBufferStorage(GLuint buffer, GLsizeiptr size, const GLvoid *data,
+ GLbitfield flags)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glNamedBufferStorage");
+ if (!bufObj)
+ return;
+
+ /*
+ * In direct state access, buffer objects have an unspecified target since
+ * they are not required to be bound.
+ */
+ _mesa_buffer_storage(ctx, bufObj, GL_NONE, size, data, flags,
+ "glNamedBufferStorage");
+}
+
+
+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)
+{
+ bool valid_usage;
if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBufferData(%s, %ld, %p, %s)\n",
+ _mesa_debug(ctx, "%s(%s, %ld, %p, %s)\n",
+ func,
_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)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(size < 0)", func);
return;
}
}
if (!valid_usage) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBufferData(usage)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid usage: %s)", func,
+ _mesa_lookup_enum_by_nr(usage));
return;
}
- bufObj = get_buffer(ctx, "glBufferDataARB", target);
- if (!bufObj)
+ if (bufObj->Immutable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(immutable)", func);
return;
+ }
- if (_mesa_bufferobj_mapped(bufObj)) {
- /* Unmap the existing buffer. We'll replace it now. Not an error. */
- ctx->Driver.UnmapBuffer(ctx, bufObj);
- bufObj->AccessFlags = default_access_mode(ctx);
- ASSERT(bufObj->Pointer == NULL);
- }
+ /* 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);
size += 100;
#endif
- ASSERT(ctx->Driver.BufferData);
- if (!ctx->Driver.BufferData( ctx, target, size, data, usage, bufObj )) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB()");
+ 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) {
+ /* 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);
+ }
}
}
+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_BufferSubDataARB(GLenum target, GLintptrARB offset,
- GLsizeiptrARB size, const GLvoid * data)
+_mesa_NamedBufferData(GLuint buffer, GLsizeiptr size, const GLvoid *data,
+ GLenum usage)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- bufObj = buffer_object_subdata_range_good( ctx, target, offset, size,
- "glBufferSubDataARB" );
- if (!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");
+}
+
+
+/**
+ * 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.
+ *
+ */
+void
+_mesa_buffer_sub_data(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr size, const GLvoid *data,
+ const char *func)
+{
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size,
+ false, func)) {
/* error already recorded */
return;
}
+ if (bufObj->Immutable &&
+ !(bufObj->StorageFlags & GL_DYNAMIC_STORAGE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
+ return;
+ }
+
if (size == 0)
return;
bufObj->Written = GL_TRUE;
- ASSERT(ctx->Driver.BufferSubData);
- ctx->Driver.BufferSubData( ctx, offset, size, data, bufObj );
+ assert(ctx->Driver.BufferSubData);
+ ctx->Driver.BufferSubData(ctx, offset, size, data, bufObj);
}
+void GLAPIENTRY
+_mesa_BufferSubData(GLenum target, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glBufferSubData", target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ _mesa_buffer_sub_data(ctx, bufObj, offset, size, data, "glBufferSubData");
+}
void GLAPIENTRY
-_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset,
- GLsizeiptrARB size, void * data)
+_mesa_NamedBufferSubData(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- bufObj = buffer_object_subdata_range_good( ctx, target, offset, size,
- "glGetBufferSubDataARB" );
- if (!bufObj) {
- /* error already recorded */
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glNamedBufferSubData");
+ if (!bufObj)
return;
- }
- ASSERT(ctx->Driver.GetBufferSubData);
- ctx->Driver.GetBufferSubData( ctx, offset, size, data, bufObj );
+ _mesa_buffer_sub_data(ctx, bufObj, offset, size, data,
+ "glNamedBufferSubData");
}
-void * GLAPIENTRY
-_mesa_MapBufferARB(GLenum target, GLenum access)
+void GLAPIENTRY
+_mesa_GetBufferSubData(GLenum target, GLintptr offset,
+ GLsizeiptr size, 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, "glGetBufferSubData", target,
+ GL_INVALID_OPERATION);
+ 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;
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, false,
+ "glGetBufferSubData")) {
+ return;
}
- if (!valid_access) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(access)");
- return NULL;
- }
+ assert(ctx->Driver.GetBufferSubData);
+ ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
+}
+
+void GLAPIENTRY
+_mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset,
+ GLsizeiptr size, GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
- bufObj = get_buffer(ctx, "glMapBufferARB", target);
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferSubData");
if (!bufObj)
- return NULL;
+ return;
- if (_mesa_bufferobj_mapped(bufObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)");
- return NULL;
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, false,
+ "glGetNamedBufferSubData")) {
+ return;
}
- if (!bufObj->Size) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glMapBuffer(buffer size = 0)");
- return NULL;
+ assert(ctx->Driver.GetBufferSubData);
+ ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
+}
+
+
+/**
+ * \param subdata true if caller is *SubData, false if *Data
+ */
+void
+_mesa_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)
+{
+ mesa_format mesaFormat;
+ GLubyte clearValue[MAX_PIXEL_BYTES];
+ GLsizeiptr clearValueSize;
+
+ /* This checks for disallowed mappings. */
+ if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size,
+ subdata, func)) {
+ return;
}
- ASSERT(ctx->Driver.MapBufferRange);
- map = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, accessFlags, bufObj);
- if (!map) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)");
- return NULL;
+ mesaFormat = validate_clear_buffer_format(ctx, internalformat,
+ format, type, func);
+
+ if (mesaFormat == MESA_FORMAT_NONE) {
+ return;
}
- 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->Pointer == map);
- ASSERT(bufObj->Length == bufObj->Size);
- ASSERT(bufObj->Offset == 0);
- bufObj->AccessFlags = accessFlags;
+
+ clearValueSize = _mesa_get_format_bytes(mesaFormat);
+ if (offset % clearValueSize != 0 || size % clearValueSize != 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(offset or size is not a multiple of "
+ "internalformat size)", func);
+ return;
}
- if (access == GL_WRITE_ONLY_ARB || access == GL_READ_WRITE_ARB)
- bufObj->Written = GL_TRUE;
+ if (data == NULL) {
+ /* clear to zeros, per the spec */
+ if (size > 0) {
+ ctx->Driver.ClearBufferSubData(ctx, offset, size,
+ NULL, clearValueSize, bufObj);
+ }
+ 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;
+ if (!convert_clear_buffer_data(ctx, mesaFormat, clearValue,
+ format, type, data, func)) {
+ return;
}
-#endif
-#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;
- }
+ if (size > 0) {
+ ctx->Driver.ClearBufferSubData(ctx, offset, size,
+ clearValue, clearValueSize, bufObj);
}
-#endif
+}
+
+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;
+
+ _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, 0, bufObj->Size,
+ format, type, data,
+ "glClearBufferData", 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;
- return bufObj->Pointer;
+ _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, 0, bufObj->Size,
+ format, type, data,
+ "glClearNamedBufferData", false);
}
-GLboolean GLAPIENTRY
-_mesa_UnmapBufferARB(GLenum target)
+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;
- GLboolean status = GL_TRUE;
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- bufObj = get_buffer(ctx, "glUnmapBufferARB", target);
+ bufObj = get_buffer(ctx, "glClearBufferSubData", target, GL_INVALID_VALUE);
if (!bufObj)
- return GL_FALSE;
+ return;
+
+ _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size,
+ format, type, data,
+ "glClearBufferSubData", true);
+}
+
+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;
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glClearNamedBufferSubData");
+ if (!bufObj)
+ return;
+
+ _mesa_clear_buffer_sub_data(ctx, bufObj, internalformat, offset, size,
+ format, type, data,
+ "glClearNamedBufferSubData", true);
+}
- if (!_mesa_bufferobj_mapped(bufObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB");
+
+GLboolean
+_mesa_unmap_buffer(struct gl_context *ctx, struct gl_buffer_object *bufObj,
+ const char *func)
+{
+ GLboolean status = GL_TRUE;
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(buffer is not mapped)", func);
return GL_FALSE;
}
}
#endif
- status = ctx->Driver.UnmapBuffer( ctx, bufObj );
- bufObj->AccessFlags = default_access_mode(ctx);
- ASSERT(bufObj->Pointer == NULL);
- ASSERT(bufObj->Offset == 0);
- ASSERT(bufObj->Length == 0);
+ 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 status;
}
+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;
+
+ return _mesa_unmap_buffer(ctx, bufObj, "glUnmapBuffer");
+}
-void GLAPIENTRY
-_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params)
+GLboolean GLAPIENTRY
+_mesa_UnmapNamedBuffer(GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- bufObj = get_buffer(ctx, "glGetBufferParameterivARB", target);
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glUnmapNamedBuffer");
if (!bufObj)
- return;
+ return GL_FALSE;
+
+ return _mesa_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(bufObj->AccessFlags);
- return;
+ *params = simplified_access_mode(ctx,
+ bufObj->Mappings[MAP_USER].AccessFlags);
+ break;
case GL_BUFFER_MAPPED_ARB:
- *params = _mesa_bufferobj_mapped(bufObj);
- return;
+ *params = _mesa_bufferobj_mapped(bufObj, MAP_USER);
+ break;
case GL_BUFFER_ACCESS_FLAGS:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = bufObj->AccessFlags;
- return;
+ *params = bufObj->Mappings[MAP_USER].AccessFlags;
+ break;
case GL_BUFFER_MAP_OFFSET:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = (GLint) bufObj->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->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;
+ break;
+ case GL_BUFFER_STORAGE_FLAGS:
+ if (!ctx->Extensions.ARB_buffer_storage)
+ goto invalid_pname;
+ *params = bufObj->StorageFlags;
+ break;
default:
- ; /* fall-through */
+ goto invalid_pname;
}
+ return true;
+
invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameterivARB(pname=%s)",
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid pname: %s)", func,
_mesa_lookup_enum_by_nr(pname));
+ return false;
}
-
-/**
- * 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)
+_mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ GLint64 parameter;
- bufObj = get_buffer(ctx, "glGetBufferParameteri64v", target);
+ bufObj = get_buffer(ctx, "glGetBufferParameteriv", 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(bufObj->AccessFlags);
- return;
- case GL_BUFFER_ACCESS_FLAGS:
- if (!ctx->Extensions.ARB_map_buffer_range)
- goto invalid_pname;
- *params = bufObj->AccessFlags;
- return;
- case GL_BUFFER_MAPPED_ARB:
- *params = _mesa_bufferobj_mapped(bufObj);
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetBufferParameteriv"))
+ return; /* Error already recorded. */
+
+ *params = (GLint) parameter;
+}
+
+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;
- case GL_BUFFER_MAP_OFFSET:
- if (!ctx->Extensions.ARB_map_buffer_range)
- goto invalid_pname;
- *params = bufObj->Offset;
+
+ 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_LENGTH:
- if (!ctx->Extensions.ARB_map_buffer_range)
- goto invalid_pname;
- *params = bufObj->Length;
+
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetNamedBufferParameteriv"))
+ 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;
- default:
- ; /* fall-through */
- }
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameteri64v(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
+ if (!get_buffer_parameter(ctx, bufObj, pname, ¶meter,
+ "glGetNamedBufferParameteri64v"))
+ return; /* Error already recorded. */
+
+ *params = parameter;
}
void GLAPIENTRY
-_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params)
+_mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object * bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ 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, "glGetBufferPointerv(pname != "
+ "GL_BUFFER_MAP_POINTER)");
return;
}
- bufObj = get_buffer(ctx, "glGetBufferPointervARB", target);
+ bufObj = get_buffer(ctx, "glGetBufferPointerv", target,
+ GL_INVALID_OPERATION);
if (!bufObj)
return;
- *params = bufObj->Pointer;
+ *params = bufObj->Mappings[MAP_USER].Pointer;
}
-
void GLAPIENTRY
-_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
- GLintptr readOffset, GLintptr writeOffset,
- GLsizeiptr size)
+_mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *src, *dst;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ struct gl_buffer_object *bufObj;
- src = get_buffer(ctx, "glCopyBufferSubData", readTarget);
- if (!src)
+ if (pname != GL_BUFFER_MAP_POINTER) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetNamedBufferPointerv(pname != "
+ "GL_BUFFER_MAP_POINTER)");
return;
+ }
- dst = get_buffer(ctx, "glCopyBufferSubData", writeTarget);
- if (!dst)
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+ "glGetNamedBufferPointerv");
+ if (!bufObj)
return;
- if (_mesa_bufferobj_mapped(src)) {
+ *params = bufObj->Mappings[MAP_USER].Pointer;
+}
+
+
+void
+_mesa_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_bufferobj_mapped(dst)) {
+ 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;
}
}
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;
-/**
- * See GL_ARB_map_buffer_range spec
- */
-void * GLAPIENTRY
-_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
- GLbitfield access)
+ src = get_buffer(ctx, "glCopyBufferSubData", readTarget,
+ GL_INVALID_OPERATION);
+ if (!src)
+ return;
+
+ dst = get_buffer(ctx, "glCopyBufferSubData", writeTarget,
+ GL_INVALID_OPERATION);
+ if (!dst)
+ return;
+
+ _mesa_copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size,
+ "glCopyBufferSubData");
+}
+
+void GLAPIENTRY
+_mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer,
+ GLintptr readOffset, GLintptr writeOffset,
+ GLsizeiptr size)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_buffer_object *bufObj;
+ 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;
+
+ _mesa_copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size,
+ "glCopyNamedBufferSubData");
+}
+
+
+void *
+_mesa_map_buffer_range(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr length,
+ GLbitfield access, const char *func)
+{
void *map;
+ GLbitfield allowed_access;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
- if (!ctx->Extensions.ARB_map_buffer_range) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(extension not supported)");
- return NULL;
- }
-
if (offset < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glMapBufferRange(offset = %ld)", (long)offset);
+ "%s(offset %ld < 0)", func, (long) offset);
return NULL;
}
if (length < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glMapBufferRange(length = %ld)", (long)length);
+ "%s(length %ld < 0)", func, (long) length);
return NULL;
}
* 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 (_mesa_is_gles(ctx) && length == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(length = 0)");
+ if (length == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(length = 0)", func);
return NULL;
}
- if (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)) {
- /* generate an error if any undefind bit is set */
- _mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)");
+ 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 NULL;
}
if ((access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(access indicates neither read or write)");
+ "%s(access indicates neither read or write)", func);
return NULL;
}
GL_MAP_INVALIDATE_BUFFER_BIT |
GL_MAP_UNSYNCHRONIZED_BIT))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid access flags)");
+ "%s(read access with disallowed bits)", func);
return NULL;
}
if ((access & GL_MAP_FLUSH_EXPLICIT_BIT) &&
((access & GL_MAP_WRITE_BIT) == 0)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(invalid access flags)");
+ "%s(access has flush explicit without write)", func);
return NULL;
}
- bufObj = get_buffer(ctx, "glMapBufferRange", target);
- if (!bufObj)
+ 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 NULL;
+ }
+
+ 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 NULL;
+ }
+
+ 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 NULL;
+ }
+
+ 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 NULL;
+ }
if (offset + length > bufObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glMapBufferRange(offset + length > size)");
+ "%s(offset %ld + length %ld > buffer_size %ld)", func,
+ offset, length, bufObj->Size);
return NULL;
}
- if (_mesa_bufferobj_mapped(bufObj)) {
+ if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glMapBufferRange(buffer already mapped)");
+ "%s(buffer already mapped)", func);
return NULL;
}
if (!bufObj->Size) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glMapBufferRange(buffer size = 0)");
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s(buffer size = 0)", func);
return NULL;
}
- /* Mapping zero bytes should return a non-null pointer. */
- if (!length) {
- static long dummy = 0;
- bufObj->Pointer = &dummy;
- bufObj->Length = length;
- bufObj->Offset = offset;
- bufObj->AccessFlags = access;
- return bufObj->Pointer;
- }
- ASSERT(ctx->Driver.MapBufferRange);
- map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj);
+ 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)");
+ _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->Pointer == map);
- ASSERT(bufObj->Length == length);
- ASSERT(bufObj->Offset == offset);
- ASSERT(bufObj->AccessFlags == access);
+ 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;
+
+#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(GLenum target, GLintptr offset, GLsizeiptr length,
+ GLbitfield access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ 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;
+
+ return _mesa_map_buffer_range(ctx, bufObj, offset, length, access,
+ "glMapBufferRange");
+}
+
+void * GLAPIENTRY
+_mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length,
+ GLbitfield access)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ if (!ctx->Extensions.ARB_map_buffer_range) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapNamedBufferRange("
+ "ARB_map_buffer_range not supported)");
+ return NULL;
+ }
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glMapNamedBufferRange");
+ if (!bufObj)
+ return NULL;
+
+ return _mesa_map_buffer_range(ctx, bufObj, offset, length, access,
+ "glMapNamedBufferRange");
+}
/**
- * See GL_ARB_map_buffer_range spec
+ * Converts GLenum access from MapBuffer and MapNamedBuffer into
+ * flags for input to _mesa_map_buffer_range.
+ *
+ * \return true if the type of requested access is permissible.
*/
-void GLAPIENTRY
-_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length)
+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:
+ return false;
+ }
+}
+
+void * GLAPIENTRY
+_mesa_MapBuffer(GLenum target, GLenum access)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ 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, "glMapBuffer", target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return NULL;
+
+ return _mesa_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapBuffer");
+}
+
+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;
+ }
+
+ bufObj = _mesa_lookup_bufferobj_err(ctx, buffer, "glMapNamedBuffer");
+ if (!bufObj)
+ return NULL;
+
+ return _mesa_map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+ "glMapNamedBuffer");
+}
+
+void
+_mesa_flush_mapped_buffer_range(struct gl_context *ctx,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset, GLsizeiptr length,
+ const char *func)
+{
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);
- if (!bufObj)
- return;
-
- if (!_mesa_bufferobj_mapped(bufObj)) {
+ 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->AccessFlags & GL_MAP_FLUSH_EXPLICIT_BIT) == 0) {
+ 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->Length) {
+ 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->Length);
+ "%s(offset %ld + length %ld > mapped length %ld)", func,
+ (long) offset, (long) length,
+ (long) bufObj->Mappings[MAP_USER].Length);
return;
}
- ASSERT(bufObj->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);
+ ctx->Driver.FlushMappedBufferRange(ctx, offset, length, bufObj,
+ MAP_USER);
+}
+
+void GLAPIENTRY
+_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = get_buffer(ctx, "glFlushMappedBufferRange", target,
+ GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ _mesa_flush_mapped_buffer_range(ctx, bufObj, offset, length,
+ "glFlushMappedBufferRange");
+}
+
+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;
+
+ _mesa_flush_mapped_buffer_range(ctx, bufObj, offset, length,
+ "glFlushMappedNamedBufferRange");
}
static void
-get_texture_object_parameteriv(struct gl_context *ctx, GLuint name,
- GLenum pname, GLint *params)
+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;
+ }
+
+ 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;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
+ GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (name == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetObjectParameteriv(name = 0x%x)", name);
+ return;
+ }
+
+ 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);
+ }
+}
+
+/**
+ * Binds a buffer object to a uniform buffer binding point.
+ *
+ * The caller is responsible for flushing vertices and updating
+ * NewDriverState.
+ */
+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)
+{
+ _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
+
+ binding->Offset = offset;
+ binding->Size = size;
+ binding->AutomaticSize = autoSize;
+
+ /* If this is a real buffer object, mark it has having been used
+ * at some point as a UBO.
+ */
+ if (size >= 0)
+ bufObj->UsageHistory |= USAGE_UNIFORM_BUFFER;
+}
+
+/**
+ * Binds a buffer object to a shader storage buffer binding point.
+ *
+ * The caller is responsible for flushing vertices and updating
+ * NewDriverState.
+ */
+static void
+set_ssbo_binding(struct gl_context *ctx,
+ struct gl_shader_storage_buffer_binding *binding,
+ struct gl_buffer_object *bufObj,
+ GLintptr offset,
+ GLsizeiptr size,
+ GLboolean autoSize)
+{
+ _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
+
+ binding->Offset = offset;
+ binding->Size = size;
+ binding->AutomaticSize = autoSize;
+
+ /* If this is a real buffer object, mark it has having been used
+ * at some point as a SSBO.
+ */
+ if (size >= 0)
+ bufObj->UsageHistory |= USAGE_SHADER_STORAGE_BUFFER;
+}
+
+/**
+ * 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)
+{
+ struct gl_uniform_buffer_binding *binding =
+ &ctx->UniformBufferBindings[index];
+
+ if (binding->BufferObject == bufObj &&
+ binding->Offset == offset &&
+ binding->Size == size &&
+ binding->AutomaticSize == autoSize) {
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer;
+
+ set_ubo_binding(ctx, binding, bufObj, offset, size, autoSize);
+}
+
+/**
+ * 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);
+ return;
+ }
+
+ if (offset & (ctx->Const.UniformBufferOffsetAlignment - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBindBufferRange(offset misaligned %d/%d)", (int) offset,
+ ctx->Const.UniformBufferOffsetAlignment);
+ return;
+ }
+
+ if (bufObj == ctx->Shared->NullBufferObj) {
+ offset = -1;
+ size = -1;
+ }
+
+ _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj);
+ bind_uniform_buffer(ctx, index, bufObj, offset, size, GL_FALSE);
+}
+
+
+/**
+ * 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 == ctx->Shared->NullBufferObj)
+ bind_uniform_buffer(ctx, index, bufObj, -1, -1, GL_TRUE);
+ else
+ bind_uniform_buffer(ctx, index, bufObj, 0, 0, GL_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.
+ */
+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)
+{
+ _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;
+ bufObj->UsageHistory |= USAGE_ATOMIC_COUNTER_BUFFER;
+ }
+}
+
+/**
+ * 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)
+{
+ struct gl_atomic_buffer_binding *binding;
+
+ if (index >= ctx->Const.MaxAtomicBufferBindings) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%d)", name, index);
+ return;
+ }
+
+ if (offset & (ATOMIC_COUNTER_SIZE - 1)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(offset misaligned %d/%d)", name, (int) offset,
+ ATOMIC_COUNTER_SIZE);
+ return;
+ }
+
+ _mesa_reference_buffer_object(ctx, &ctx->AtomicBuffer, bufObj);
+
+ binding = &ctx->AtomicBufferBindings[index];
+ if (binding->BufferObject == bufObj &&
+ binding->Offset == offset &&
+ binding->Size == size) {
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer;
+
+ set_atomic_buffer_binding(ctx, binding, 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;
+ }
+
+ 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;
+ }
+
+ return true;
+}
+
+static bool
+error_check_bind_uniform_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const char *caller)
+{
+ if (!ctx->Extensions.ARB_uniform_buffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_UNIFORM_BUFFER)", caller);
+ return false;
+ }
+
+ /* 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,
+ "%s(first=%u + count=%d > the value of "
+ "GL_MAX_UNIFORM_BUFFER_BINDINGS=%u)",
+ caller, first, count,
+ ctx->Const.MaxUniformBufferBindings);
+ return false;
+ }
+
+ return true;
+}
+
+static bool
+error_check_bind_shader_storage_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const char *caller)
+{
+ if (!ctx->Extensions.ARB_shader_storage_buffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_SHADER_STORAGE_BUFFER)", caller);
+ return false;
+ }
+
+ /* 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,
+ "%s(first=%u + count=%d > the value of "
+ "GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS=%u)",
+ caller, first, count,
+ ctx->Const.MaxShaderStorageBufferBindings);
+ return false;
+ }
+
+ return true;
+}
+
+/**
+ * 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)
+{
+ struct gl_buffer_object *bufObj = ctx->Shared->NullBufferObj;
+ GLint i;
+
+ for (i = 0; i < count; i++)
+ set_ubo_binding(ctx, &ctx->UniformBufferBindings[first + i],
+ bufObj, -1, -1, GL_TRUE);
+}
+
+/**
+ * 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)
+{
+ struct gl_buffer_object *bufObj = ctx->Shared->NullBufferObj;
+ GLint i;
+
+ for (i = 0; i < count; i++)
+ set_ssbo_binding(ctx, &ctx->ShaderStorageBufferBindings[first + i],
+ bufObj, -1, -1, GL_TRUE);
+}
+
+static void
+bind_uniform_buffers_base(struct gl_context *ctx, GLuint first, GLsizei count,
+ const GLuint *buffers)
+{
+ GLint i;
+
+ if (!error_check_bind_uniform_buffers(ctx, first, count, "glBindBuffersBase"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer;
+
+ 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."
+ */
+ unbind_uniform_buffers(ctx, first, count);
+ 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_uniform_buffer_binding *binding =
+ &ctx->UniformBufferBindings[first + i];
+ struct gl_buffer_object *bufObj;
+
+ if (binding->BufferObject && binding->BufferObject->Name == buffers[i])
+ bufObj = binding->BufferObject;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersBase");
+
+ if (bufObj) {
+ if (bufObj == ctx->Shared->NullBufferObj)
+ set_ubo_binding(ctx, binding, bufObj, -1, -1, GL_TRUE);
+ else
+ set_ubo_binding(ctx, binding, bufObj, 0, 0, GL_TRUE);
+ }
+ }
+
+ _mesa_end_bufferobj_lookups(ctx);
+}
+
+static void
+bind_shader_storage_buffers_base(struct gl_context *ctx, GLuint first,
+ GLsizei count, const GLuint *buffers)
+{
+ GLint i;
+
+ if (!error_check_bind_shader_storage_buffers(ctx, first, count,
+ "glBindBuffersBase"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewShaderStorageBuffer;
+
+ 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."
+ */
+ unbind_shader_storage_buffers(ctx, first, count);
+ 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_shader_storage_buffer_binding *binding =
+ &ctx->ShaderStorageBufferBindings[first + i];
+ struct gl_buffer_object *bufObj;
+
+ if (binding->BufferObject && binding->BufferObject->Name == buffers[i])
+ bufObj = binding->BufferObject;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersBase");
+
+ if (bufObj) {
+ if (bufObj == ctx->Shared->NullBufferObj)
+ set_ssbo_binding(ctx, binding, bufObj, -1, -1, GL_TRUE);
+ else
+ set_ssbo_binding(ctx, binding, bufObj, 0, 0, GL_TRUE);
+ }
+ }
+
+ _mesa_end_bufferobj_lookups(ctx);
+}
+
+static void
+bind_uniform_buffers_range(struct gl_context *ctx, GLuint first, GLsizei count,
+ const GLuint *buffers,
+ const GLintptr *offsets, const GLsizeiptr *sizes)
+{
+ GLint i;
+
+ if (!error_check_bind_uniform_buffers(ctx, first, count,
+ "glBindBuffersRange"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer;
+
+ 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;
+ }
+
+ /* 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_uniform_buffer_binding *binding =
+ &ctx->UniformBufferBindings[first + i];
+ struct gl_buffer_object *bufObj;
+
+ 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:
+ *
+ * "┌───────────────────────────────────────────────────────────────┐
+ * │ 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 (binding->BufferObject && binding->BufferObject->Name == buffers[i])
+ bufObj = binding->BufferObject;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersRange");
+
+ if (bufObj) {
+ if (bufObj == ctx->Shared->NullBufferObj)
+ set_ubo_binding(ctx, binding, bufObj, -1, -1, GL_FALSE);
+ else
+ set_ubo_binding(ctx, binding, bufObj,
+ offsets[i], sizes[i], GL_FALSE);
+ }
+ }
+
+ _mesa_end_bufferobj_lookups(ctx);
+}
+
+static void
+bind_shader_storage_buffers_range(struct gl_context *ctx, GLuint first,
+ GLsizei count, const GLuint *buffers,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes)
+{
+ GLint i;
+
+ if (!error_check_bind_shader_storage_buffers(ctx, first, count,
+ "glBindBuffersRange"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewShaderStorageBuffer;
+
+ 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;
+ }
+
+ /* 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_shader_storage_buffer_binding *binding =
+ &ctx->ShaderStorageBufferBindings[first + i];
+ struct gl_buffer_object *bufObj;
+
+ 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;
+ }
+
+ if (binding->BufferObject && binding->BufferObject->Name == buffers[i])
+ bufObj = binding->BufferObject;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersRange");
+
+ if (bufObj) {
+ if (bufObj == ctx->Shared->NullBufferObj)
+ set_ssbo_binding(ctx, binding, bufObj, -1, -1, GL_FALSE);
+ else
+ set_ssbo_binding(ctx, binding, bufObj,
+ offsets[i], sizes[i], GL_FALSE);
+ }
+ }
+
+ _mesa_end_bufferobj_lookups(ctx);
+}
+
+static bool
+error_check_bind_xfb_buffers(struct gl_context *ctx,
+ struct gl_transform_feedback_object *tfObj,
+ GLuint first, GLsizei count, const char *caller)
+{
+ if (!ctx->Extensions.EXT_transform_feedback) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_TRANSFORM_FEEDBACK_BUFFER)", caller);
+ return false;
+ }
+
+ /* 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;
+ }
+
+ /* 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;
+}
+
+/**
+ * Unbind all transform feedback buffers in the range
+ * <first> through <first>+<count>-1
+ */
+static void
+unbind_xfb_buffers(struct gl_context *ctx,
+ struct gl_transform_feedback_object *tfObj,
+ GLuint first, GLsizei count)
+{
+ struct gl_buffer_object * const bufObj = ctx->Shared->NullBufferObj;
+ GLint i;
+
+ for (i = 0; i < count; i++)
+ _mesa_set_transform_feedback_binding(ctx, tfObj, first + i,
+ bufObj, 0, 0);
+}
+
+static void
+bind_xfb_buffers_base(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const GLuint *buffers)
{
- struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, name);
- if (!texObj) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glObjectUnpurgeable(name = 0x%x)", name);
+ struct gl_transform_feedback_object *tfObj =
+ ctx->TransformFeedback.CurrentObject;
+ GLint i;
+
+ if (!error_check_bind_xfb_buffers(ctx, tfObj, first, count,
+ "glBindBuffersBase"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewTransformFeedback;
+
+ 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."
+ */
+ unbind_xfb_buffers(ctx, tfObj, first, count);
return;
}
- 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;
+ /* 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_buffer_object * const boundBufObj = tfObj->Buffers[first + i];
+ struct gl_buffer_object *bufObj;
+
+ if (boundBufObj && boundBufObj->Name == buffers[i])
+ bufObj = boundBufObj;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersBase");
+
+ if (bufObj)
+ _mesa_set_transform_feedback_binding(ctx, tfObj, first + i,
+ bufObj, 0, 0);
}
-}
+ _mesa_end_bufferobj_lookups(ctx);
+}
-void GLAPIENTRY
-_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
- GLint *params)
+static void
+bind_xfb_buffers_range(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const GLuint *buffers,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes)
{
- GET_CURRENT_CONTEXT(ctx);
+ struct gl_transform_feedback_object *tfObj =
+ ctx->TransformFeedback.CurrentObject;
+ GLint i;
- if (name == 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetObjectParameteriv(name = 0x%x)", name);
+ if (!error_check_bind_xfb_buffers(ctx, tfObj, first, count,
+ "glBindBuffersRange"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewTransformFeedback;
+
+ 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;
}
- 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);
+ /* 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ const GLuint index = first + i;
+ struct gl_buffer_object * const boundBufObj = tfObj->Buffers[index];
+ struct gl_buffer_object *bufObj;
+
+ 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 (boundBufObj && boundBufObj->Name == buffers[i])
+ bufObj = boundBufObj;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersRange");
+
+ if (bufObj)
+ _mesa_set_transform_feedback_binding(ctx, tfObj, index, bufObj,
+ offsets[i], sizes[i]);
}
+
+ _mesa_end_bufferobj_lookups(ctx);
}
-static void
-set_ubo_binding(struct gl_context *ctx,
- int index,
- struct gl_buffer_object *bufObj,
- GLintptr offset,
- GLsizeiptr size,
- GLboolean autoSize)
+static bool
+error_check_bind_atomic_buffers(struct gl_context *ctx,
+ GLuint first, GLsizei count,
+ const char *caller)
{
- struct gl_uniform_buffer_binding *binding;
-
- binding = &ctx->UniformBufferBindings[index];
- if (binding->BufferObject == bufObj &&
- binding->Offset == offset &&
- binding->Size == size &&
- binding->AutomaticSize == autoSize) {
- return;
+ if (!ctx->Extensions.ARB_shader_atomic_counters) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(target=GL_ATOMIC_COUNTER_BUFFER)", caller);
+ return false;
}
- FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT);
+ /* 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;
+ }
- _mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
- binding->Offset = offset;
- binding->Size = size;
- binding->AutomaticSize = autoSize;
+ return true;
}
/**
- * 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
+ * Unbind all atomic counter buffers in the range
+ * <first> through <first>+<count>-1
*/
static void
-bind_buffer_range_uniform_buffer(struct gl_context *ctx,
- GLuint index,
- struct gl_buffer_object *bufObj,
- GLintptr offset,
- GLsizeiptr size)
+unbind_atomic_buffers(struct gl_context *ctx, GLuint first, GLsizei count)
{
- if (index >= ctx->Const.MaxUniformBufferBindings) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(index=%d)", index);
- return;
- }
+ struct gl_buffer_object * const bufObj = ctx->Shared->NullBufferObj;
+ GLint i;
- if (offset & (ctx->Const.UniformBufferOffsetAlignment - 1)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glBindBufferRange(offset misalgned %d/%d)", (int) offset,
- ctx->Const.UniformBufferOffsetAlignment);
+ for (i = 0; i < count; i++)
+ set_atomic_buffer_binding(ctx, &ctx->AtomicBufferBindings[first + i],
+ bufObj, -1, -1);
+}
+
+static void
+bind_atomic_buffers_base(struct gl_context *ctx,
+ GLuint first,
+ GLsizei count,
+ const GLuint *buffers)
+{
+ GLint i;
+
+ if (!error_check_bind_atomic_buffers(ctx, first, count,
+ "glBindBuffersBase"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer;
+
+ 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."
+ */
+ unbind_atomic_buffers(ctx, first, count);
return;
}
- if (bufObj == ctx->Shared->NullBufferObj) {
- offset = -1;
- size = -1;
+ /* 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_atomic_buffer_binding *binding =
+ &ctx->AtomicBufferBindings[first + i];
+ struct gl_buffer_object *bufObj;
+
+ if (binding->BufferObject && binding->BufferObject->Name == buffers[i])
+ bufObj = binding->BufferObject;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersBase");
+
+ if (bufObj)
+ set_atomic_buffer_binding(ctx, binding, bufObj, 0, 0);
}
- _mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, bufObj);
- set_ubo_binding(ctx, index, bufObj, offset, size, GL_FALSE);
+ _mesa_end_bufferobj_lookups(ctx);
}
-
-/**
- * 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)
+bind_atomic_buffers_range(struct gl_context *ctx,
+ GLuint first,
+ GLsizei count,
+ const GLuint *buffers,
+ const GLintptr *offsets,
+ const GLsizeiptr *sizes)
{
- if (index >= ctx->Const.MaxUniformBufferBindings) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferBase(index=%d)", index);
+ GLint i;
+
+ if (!error_check_bind_atomic_buffers(ctx, first, count,
+ "glBindBuffersRange"))
+ return;
+
+ /* Assume that at least one binding will be changed */
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewAtomicBuffer;
+
+ 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->UniformBuffer, bufObj);
- if (bufObj == ctx->Shared->NullBufferObj)
- set_ubo_binding(ctx, index, bufObj, -1, -1, GL_TRUE);
- else
- set_ubo_binding(ctx, index, bufObj, 0, 0, GL_TRUE);
+ /* 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_begin_bufferobj_lookups(ctx);
+
+ for (i = 0; i < count; i++) {
+ struct gl_atomic_buffer_binding *binding =
+ &ctx->AtomicBufferBindings[first + i];
+ struct gl_buffer_object *bufObj;
+
+ 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;
+ }
+
+ if (binding->BufferObject && binding->BufferObject->Name == buffers[i])
+ bufObj = binding->BufferObject;
+ else
+ bufObj = _mesa_multi_bind_lookup_bufferobj(ctx, buffers, i,
+ "glBindBuffersRange");
+
+ if (bufObj)
+ set_atomic_buffer_binding(ctx, binding, bufObj, offsets[i], sizes[i]);
+ }
+
+ _mesa_end_bufferobj_lookups(ctx);
}
void GLAPIENTRY
} else {
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
}
- handle_bind_buffer_gen(ctx, target, buffer, &bufObj);
+ if (!_mesa_handle_bind_buffer_gen(ctx, target, buffer,
+ &bufObj, "glBindBufferRange"))
+ return;
if (!bufObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
return;
}
- if (size <= 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)",
- (int) size);
- return;
- }
-
- if (offset + size > bufObj->Size) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glBindBufferRange(offset + size %d > buffer size %d)",
- (int) (offset + size), (int) (bufObj->Size));
- return;
+ 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);
+ _mesa_bind_buffer_range_transform_feedback(ctx,
+ ctx->TransformFeedback.CurrentObject,
+ index, bufObj, offset, size,
+ false);
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;
} else {
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
}
- handle_bind_buffer_gen(ctx, target, buffer, &bufObj);
+ if (!_mesa_handle_bind_buffer_gen(ctx, target, buffer,
+ &bufObj, "glBindBufferBase"))
+ return;
if (!bufObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
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_ATOMIC_COUNTER_BUFFER:
+ bind_atomic_buffer(ctx, index, bufObj, 0, 0,
+ "glBindBufferBase");
+ return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)");
return;
}
}
-static void GLAPIENTRY
+void GLAPIENTRY
+_mesa_BindBuffersRange(GLenum target, GLuint first, GLsizei count,
+ const GLuint *buffers,
+ const GLintptr *offsets, const GLsizeiptr *sizes)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ switch (target) {
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ bind_xfb_buffers_range(ctx, first, count, buffers, offsets, sizes);
+ return;
+ case GL_UNIFORM_BUFFER:
+ bind_uniform_buffers_range(ctx, first, count, buffers, offsets, sizes);
+ return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_shader_storage_buffers_range(ctx, first, count, buffers, offsets,
+ sizes);
+ return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ bind_atomic_buffers_range(ctx, first, count, buffers,
+ offsets, sizes);
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindBuffersRange(target=%s)",
+ _mesa_lookup_enum_by_nr(target));
+ break;
+ }
+}
+
+void GLAPIENTRY
+_mesa_BindBuffersBase(GLenum target, GLuint first, GLsizei count,
+ const GLuint *buffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ switch (target) {
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ bind_xfb_buffers_base(ctx, first, count, buffers);
+ return;
+ case GL_UNIFORM_BUFFER:
+ bind_uniform_buffers_base(ctx, first, count, buffers);
+ return;
+ case GL_SHADER_STORAGE_BUFFER:
+ bind_shader_storage_buffers_base(ctx, first, count, buffers);
+ return;
+ case GL_ATOMIC_COUNTER_BUFFER:
+ bind_atomic_buffers_base(ctx, first, count, buffers);
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindBuffersBase(target=%s)",
+ _mesa_lookup_enum_by_nr(target));
+ break;
+ }
+}
+
+void GLAPIENTRY
_mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
GLsizeiptr length)
{
return;
}
- /* The GL_ARB_invalidate_subdata spec says:
+ /* The OpenGL 4.4 (Core Profile) spec says:
*
- * "An INVALID_OPERATION error is generated if the buffer is currently
- * mapped by MapBuffer, or if the invalidate range intersects the range
- * currently mapped by MapBufferRange."
+ * "An INVALID_OPERATION error is generated if buffer is currently
+ * mapped by MapBuffer or if the invalidate range intersects the range
+ * currently mapped by MapBufferRange, unless it was mapped
+ * with MAP_PERSISTENT_BIT set in the MapBufferRange access flags."
*/
- if (_mesa_bufferobj_mapped(bufObj)) {
- const GLintptr mapEnd = bufObj->Offset + bufObj->Length;
-
- /* The regions do not overlap if and only if the end of the discard
- * region is before the mapped region or the start of the discard region
- * is after the mapped region.
- *
- * Note that 'end' and 'mapEnd' are the first byte *after* the discard
- * region and the mapped region, repsectively. It is okay for that byte
- * to be mapped (for 'end') or discarded (for 'mapEnd').
- */
- if (!(end <= bufObj->Offset || offset >= mapEnd)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glInvalidateBufferSubData(intersection with mapped "
- "range)");
- return;
- }
+ if (!(bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_PERSISTENT_BIT) &&
+ bufferobj_range_mapped(bufObj, offset, length)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glInvalidateBufferSubData(intersection with mapped "
+ "range)");
+ return;
}
/* We don't actually do anything for this yet. Just return after
return;
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_InvalidateBufferData(GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
return;
}
- /* The GL_ARB_invalidate_subdata spec says:
+ /* The OpenGL 4.4 (Core Profile) spec says:
*
- * "An INVALID_OPERATION error is generated if the buffer is currently
- * mapped by MapBuffer, or if the invalidate range intersects the range
- * currently mapped by MapBufferRange."
+ * "An INVALID_OPERATION error is generated if buffer is currently
+ * mapped by MapBuffer or if the invalidate range intersects the range
+ * currently mapped by MapBufferRange, unless it was mapped
+ * with MAP_PERSISTENT_BIT set in the MapBufferRange access flags."
*/
- if (_mesa_bufferobj_mapped(bufObj)) {
+ if (_mesa_check_disallowed_mapping(bufObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glInvalidateBufferData(intersection with mapped "
"range)");
*/
return;
}
-
-void
-_mesa_init_bufferobj_dispatch(struct gl_context *ctx, struct _glapi_table *disp)
-{
- SET_BindBufferARB(disp, _mesa_BindBufferARB);
- SET_BufferDataARB(disp, _mesa_BufferDataARB);
- SET_BufferSubDataARB(disp, _mesa_BufferSubDataARB);
- SET_DeleteBuffersARB(disp, _mesa_DeleteBuffersARB);
- SET_GenBuffersARB(disp, _mesa_GenBuffersARB);
- SET_GetBufferParameterivARB(disp, _mesa_GetBufferParameterivARB);
- SET_GetBufferPointervARB(disp, _mesa_GetBufferPointervARB);
- if (ctx->API != API_OPENGLES2) {
- SET_GetBufferSubDataARB(disp, _mesa_GetBufferSubDataARB);
- }
- SET_IsBufferARB(disp, _mesa_IsBufferARB);
- SET_MapBufferARB(disp, _mesa_MapBufferARB);
- SET_UnmapBufferARB(disp, _mesa_UnmapBufferARB);
-
- if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
- SET_BindBufferRangeEXT(disp, _mesa_BindBufferRange);
- SET_BindBufferBaseEXT(disp, _mesa_BindBufferBase);
- }
-
- if (_mesa_is_desktop_gl(ctx)) {
- SET_InvalidateBufferData(disp, _mesa_InvalidateBufferData);
- SET_InvalidateBufferSubData(disp, _mesa_InvalidateBufferSubData);
- }
-}
projects / mesa.git / blobdiff