bufferobj_range_mapped(const struct gl_buffer_object *obj,
GLintptr offset, GLsizeiptr size)
{
- if (_mesa_bufferobj_mapped(obj)) {
+ if (_mesa_bufferobj_mapped(obj, MAP_USER)) {
const GLintptr end = offset + size;
- const GLintptr mapEnd = obj->Offset + obj->Length;
+ const GLintptr mapEnd = obj->Mappings[MAP_USER].Offset +
+ obj->Mappings[MAP_USER].Length;
- if (!(end <= obj->Offset || offset >= mapEnd)) {
+ if (!(end <= obj->Mappings[MAP_USER].Offset || offset >= mapEnd)) {
return true;
}
}
return NULL;
}
+ if (bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_PERSISTENT_BIT)
+ return bufObj;
+
if (mappedRange) {
if (bufferobj_range_mapped(bufObj, offset, size)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
}
}
else {
- if (_mesa_bufferobj_mapped(bufObj)) {
+ if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
return NULL;
}
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);
+ mtx_lock(&oldObj->Mutex);
ASSERT(oldObj->RefCount > 0);
oldObj->RefCount--;
#if 0
(void *) oldObj, oldObj->Name, oldObj->RefCount);
#endif
deleteFlag = (oldObj->RefCount == 0);
- _glthread_UNLOCK_MUTEX(oldObj->Mutex);
+ mtx_unlock(&oldObj->Mutex);
if (deleteFlag) {
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);
}
}
(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 = 0;
}
*/
static GLboolean
_mesa_buffer_data( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
- const GLvoid * data, GLenum usage,
+ const GLvoid * data, GLenum usage, GLenum storageFlags,
struct gl_buffer_object * bufObj )
{
void * new_data;
bufObj->Data = (GLubyte *) new_data;
bufObj->Size = size;
bufObj->Usage = usage;
+ bufObj->StorageFlags = storageFlags;
if (data) {
memcpy( bufObj->Data, data, size );
* \sa glClearBufferSubData, glClearBufferData and
* dd_function_table::ClearBufferSubData.
*/
-static void
+void
_mesa_buffer_clear_subdata(struct gl_context *ctx,
GLintptr offset, GLsizeiptr size,
const GLvoid *clearValue,
GLsizeiptr i;
GLubyte *dest;
- if (_mesa_bufferobj_mapped(bufObj)) {
- GLubyte *data = malloc(size);
- GLubyte *dataStart = data;
- if (data == NULL) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glClearBuffer[Sub]Data");
- return;
- }
-
- if (clearValue == NULL) {
- /* Clear with zeros, per the spec */
- memset(data, 0, size);
- }
- else {
- for (i = 0; i < size/clearValueSize; ++i) {
- memcpy(data, clearValue, clearValueSize);
- data += clearValueSize;
- }
- }
- ctx->Driver.BufferSubData(ctx, offset, size, dataStart, bufObj);
- return;
- }
-
ASSERT(ctx->Driver.MapBufferRange);
dest = ctx->Driver.MapBufferRange(ctx, offset, size,
GL_MAP_WRITE_BIT |
GL_MAP_INVALIDATE_RANGE_BIT,
- bufObj);
+ bufObj, MAP_INTERNAL);
if (!dest) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glClearBuffer[Sub]Data");
if (clearValue == NULL) {
/* Clear with zeros, per the spec */
memset(dest, 0, size);
- ctx->Driver.UnmapBuffer(ctx, bufObj);
+ ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL);
return;
}
dest += clearValueSize;
}
- ctx->Driver.UnmapBuffer(ctx, bufObj);
+ ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL);
}
static void *
_mesa_buffer_map_range( struct gl_context *ctx, GLintptr offset,
GLsizeiptr length, GLbitfield access,
- struct gl_buffer_object *bufObj )
+ 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;
}
static void
_mesa_buffer_flush_mapped_range( struct gl_context *ctx,
GLintptr offset, GLsizeiptr length,
- struct gl_buffer_object *obj )
+ struct gl_buffer_object *obj,
+ gl_map_buffer_index index)
{
(void) ctx;
(void) offset;
* \sa glUnmapBufferARB, dd_function_table::UnmapBuffer
*/
static GLboolean
-_mesa_buffer_unmap( struct gl_context *ctx, struct gl_buffer_object *bufObj )
+_mesa_buffer_unmap(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;
}
{
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,
/* 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 );
}
/* 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->GetBufferSubData = _mesa_buffer_get_subdata;
}
+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 */
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]);
ASSERT(bufObj->Name == ids[i] || bufObj == &DummyBufferObject);
- if (_mesa_bufferobj_mapped(bufObj)) {
- /* if mapped, unmap it now */
- ctx->Driver.UnmapBuffer(ctx, bufObj);
- bufObj->AccessFlags = 0;
- bufObj->Pointer = NULL;
- }
+ _mesa_buffer_unmap_all_mappings(ctx, bufObj);
/* unbind any vertex pointers bound to this buffer */
for (j = 0; j < Elements(vao->VertexBinding); j++) {
}
}
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_unlock(&ctx->Shared->Mutex);
}
/*
* 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);
buffer[i] = first + i;
}
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_unlock(&ctx->Shared->Mutex);
}
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_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
+ GLbitfield flags)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ if (size <= 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(size <= 0)");
+ return;
+ }
+
+ if (flags & ~(GL_MAP_READ_BIT |
+ GL_MAP_WRITE_BIT |
+ GL_MAP_PERSISTENT_BIT |
+ GL_MAP_COHERENT_BIT |
+ GL_DYNAMIC_STORAGE_BIT |
+ GL_CLIENT_STORAGE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags)");
+ return;
+ }
+
+ if (flags & GL_MAP_PERSISTENT_BIT &&
+ !(flags & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT))) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags!=READ/WRITE)");
+ return;
+ }
+
+ if (flags & GL_MAP_COHERENT_BIT && !(flags & GL_MAP_PERSISTENT_BIT)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBufferStorage(flags!=PERSISTENT)");
+ return;
+ }
+
+ bufObj = get_buffer(ctx, "glBufferStorage", target, GL_INVALID_OPERATION);
+ if (!bufObj)
+ return;
+
+ if (bufObj->Immutable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferStorage(immutable)");
+ return;
+ }
+
+ /* Unmap the existing buffer. We'll replace it now. Not an error. */
+ _mesa_buffer_unmap_all_mappings(ctx, bufObj);
+
+ 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)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferStorage()");
+ }
+}
+
+
void GLAPIENTRY
_mesa_BufferData(GLenum target, GLsizeiptrARB size,
const GLvoid * data, GLenum usage)
if (!bufObj)
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 = 0;
- ASSERT(bufObj->Pointer == NULL);
- }
+ if (bufObj->Immutable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferData(immutable)");
+ 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);
#endif
ASSERT(ctx->Driver.BufferData);
- if (!ctx->Driver.BufferData( ctx, target, size, data, usage, bufObj )) {
+ if (!ctx->Driver.BufferData(ctx, target, size, data, usage,
+ GL_MAP_READ_BIT |
+ GL_MAP_WRITE_BIT |
+ GL_DYNAMIC_STORAGE_BIT,
+ bufObj)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB()");
}
}
return;
}
+ if (bufObj->Immutable &&
+ !(bufObj->StorageFlags & GL_DYNAMIC_STORAGE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBufferSubData");
+ return;
+ }
+
if (size == 0)
return;
return;
}
- if (_mesa_bufferobj_mapped(bufObj)) {
+ if (_mesa_check_disallowed_mapping(bufObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glClearBufferData(buffer currently mapped)");
return;
if (data == NULL) {
/* clear to zeros, per the spec */
ctx->Driver.ClearBufferSubData(ctx, 0, bufObj->Size,
- NULL, 0, bufObj);
+ NULL, clearValueSize, bufObj);
return;
}
if (data == NULL) {
/* clear to zeros, per the spec */
- ctx->Driver.ClearBufferSubData(ctx, offset, size,
- NULL, 0, bufObj);
+ if (size > 0) {
+ ctx->Driver.ClearBufferSubData(ctx, offset, size,
+ NULL, clearValueSize, bufObj);
+ }
return;
}
return;
}
- ctx->Driver.ClearBufferSubData(ctx, offset, size,
- clearValue, clearValueSize, bufObj);
+ if (size > 0) {
+ ctx->Driver.ClearBufferSubData(ctx, offset, size,
+ clearValue, clearValueSize, bufObj);
+ }
}
if (!bufObj)
return NULL;
- if (_mesa_bufferobj_mapped(bufObj)) {
+ if (accessFlags & GL_MAP_READ_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_READ_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapBuffer(invalid read flag)");
+ return NULL;
+ }
+
+ if (accessFlags & GL_MAP_WRITE_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapBuffer(invalid write flag)");
+ return NULL;
+ }
+
+ if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)");
return NULL;
}
}
ASSERT(ctx->Driver.MapBufferRange);
- map = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, accessFlags, bufObj);
+ map = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, accessFlags, bufObj,
+ MAP_USER);
if (!map) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)");
return NULL;
* 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;
+ ASSERT(bufObj->Mappings[MAP_USER].Pointer == map);
+ ASSERT(bufObj->Mappings[MAP_USER].Length == bufObj->Size);
+ ASSERT(bufObj->Mappings[MAP_USER].Offset == 0);
+ bufObj->Mappings[MAP_USER].AccessFlags = accessFlags;
}
if (access == GL_WRITE_ONLY_ARB || access == GL_READ_WRITE_ARB)
}
#endif
- return bufObj->Pointer;
+ return bufObj->Mappings[MAP_USER].Pointer;
}
if (!bufObj)
return GL_FALSE;
- if (!_mesa_bufferobj_mapped(bufObj)) {
+ if (!_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB");
return GL_FALSE;
}
}
#endif
- status = ctx->Driver.UnmapBuffer( ctx, bufObj );
- bufObj->AccessFlags = 0;
- 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;
}
*params = bufObj->Usage;
return;
case GL_BUFFER_ACCESS_ARB:
- *params = simplified_access_mode(ctx, bufObj->AccessFlags);
+ *params = simplified_access_mode(ctx,
+ bufObj->Mappings[MAP_USER].AccessFlags);
return;
case GL_BUFFER_MAPPED_ARB:
- *params = _mesa_bufferobj_mapped(bufObj);
+ *params = _mesa_bufferobj_mapped(bufObj, MAP_USER);
return;
case GL_BUFFER_ACCESS_FLAGS:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = bufObj->AccessFlags;
+ *params = bufObj->Mappings[MAP_USER].AccessFlags;
return;
case GL_BUFFER_MAP_OFFSET:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = (GLint) bufObj->Offset;
+ *params = (GLint) bufObj->Mappings[MAP_USER].Offset;
return;
case GL_BUFFER_MAP_LENGTH:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = (GLint) bufObj->Length;
+ *params = (GLint) bufObj->Mappings[MAP_USER].Length;
+ return;
+ case GL_BUFFER_IMMUTABLE_STORAGE:
+ if (!ctx->Extensions.ARB_buffer_storage)
+ goto invalid_pname;
+ *params = bufObj->Immutable;
+ return;
+ case GL_BUFFER_STORAGE_FLAGS:
+ if (!ctx->Extensions.ARB_buffer_storage)
+ goto invalid_pname;
+ *params = bufObj->StorageFlags;
return;
default:
; /* fall-through */
*params = bufObj->Usage;
return;
case GL_BUFFER_ACCESS_ARB:
- *params = simplified_access_mode(ctx, bufObj->AccessFlags);
+ *params = simplified_access_mode(ctx,
+ bufObj->Mappings[MAP_USER].AccessFlags);
return;
case GL_BUFFER_ACCESS_FLAGS:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = bufObj->AccessFlags;
+ *params = bufObj->Mappings[MAP_USER].AccessFlags;
return;
case GL_BUFFER_MAPPED_ARB:
- *params = _mesa_bufferobj_mapped(bufObj);
+ *params = _mesa_bufferobj_mapped(bufObj, MAP_USER);
return;
case GL_BUFFER_MAP_OFFSET:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = bufObj->Offset;
+ *params = bufObj->Mappings[MAP_USER].Offset;
return;
case GL_BUFFER_MAP_LENGTH:
if (!ctx->Extensions.ARB_map_buffer_range)
goto invalid_pname;
- *params = bufObj->Length;
+ *params = bufObj->Mappings[MAP_USER].Length;
+ return;
+ case GL_BUFFER_IMMUTABLE_STORAGE:
+ if (!ctx->Extensions.ARB_buffer_storage)
+ goto invalid_pname;
+ *params = bufObj->Immutable;
+ return;
+ case GL_BUFFER_STORAGE_FLAGS:
+ if (!ctx->Extensions.ARB_buffer_storage)
+ goto invalid_pname;
+ *params = bufObj->StorageFlags;
return;
default:
; /* fall-through */
if (!bufObj)
return;
- *params = bufObj->Pointer;
+ *params = bufObj->Mappings[MAP_USER].Pointer;
}
if (!dst)
return;
- if (_mesa_bufferobj_mapped(src)) {
+ if (_mesa_check_disallowed_mapping(src)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyBufferSubData(readBuffer is mapped)");
return;
}
- if (_mesa_bufferobj_mapped(dst)) {
+ if (_mesa_check_disallowed_mapping(dst)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyBufferSubData(writeBuffer is mapped)");
return;
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
void *map;
+ GLbitfield allowed_access;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
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 */
+ 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 other than allowed bit is set */
_mesa_error(ctx, GL_INVALID_VALUE, "glMapBufferRange(access)");
return NULL;
}
if (!bufObj)
return NULL;
+ if (access & GL_MAP_READ_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_READ_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapBufferRange(invalid read flag)");
+ return NULL;
+ }
+
+ if (access & GL_MAP_WRITE_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_WRITE_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapBufferRange(invalid write flag)");
+ return NULL;
+ }
+
+ if (access & GL_MAP_COHERENT_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_COHERENT_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapBufferRange(invalid coherent flag)");
+ return NULL;
+ }
+
+ if (access & GL_MAP_PERSISTENT_BIT &&
+ !(bufObj->StorageFlags & GL_MAP_PERSISTENT_BIT)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glMapBufferRange(invalid persistent flag)");
+ return NULL;
+ }
+
if (offset + length > bufObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glMapBufferRange(offset + length > 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)");
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;
+ bufObj->Mappings[MAP_USER].Pointer = &dummy;
+ bufObj->Mappings[MAP_USER].Length = length;
+ bufObj->Mappings[MAP_USER].Offset = offset;
+ bufObj->Mappings[MAP_USER].AccessFlags = access;
+ return bufObj->Mappings[MAP_USER].Pointer;
}
ASSERT(ctx->Driver.MapBufferRange);
- map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj);
+ map = ctx->Driver.MapBufferRange(ctx, offset, length, access, bufObj,
+ MAP_USER);
if (!map) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glMapBufferARB(map failed)");
}
* 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);
}
return map;
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)");
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)");
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);
+ (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);
}
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 (bufferobj_range_mapped(bufObj, offset, length)) {
+ 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;
}
- /* 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)");
projects / mesa.git / blobdiff