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Diffstat (limited to 'src/mesa/main/bufferobj.c')
-rw-r--r--src/mesa/main/bufferobj.c215
1 files changed, 102 insertions, 113 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 3079127ce6c..237b49cb1c7 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -207,11 +207,12 @@ static bool
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;
}
}
@@ -269,7 +270,7 @@ buffer_object_subdata_range_good(struct gl_context * ctx, GLenum target,
return NULL;
}
- if (bufObj->AccessFlags & GL_MAP_PERSISTENT_BIT)
+ if (bufObj->Mappings[MAP_USER].AccessFlags & GL_MAP_PERSISTENT_BIT)
return bufObj;
if (mappedRange) {
@@ -279,7 +280,7 @@ buffer_object_subdata_range_good(struct gl_context * ctx, GLenum target,
}
}
else {
- if (_mesa_bufferobj_mapped(bufObj)) {
+ if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
return NULL;
}
@@ -503,7 +504,6 @@ _mesa_initialize_buffer_object( struct gl_context *ctx,
obj->RefCount = 1;
obj->Name = name;
obj->Usage = GL_STATIC_DRAW_ARB;
- obj->AccessFlags = 0;
}
@@ -675,33 +675,11 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx,
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");
@@ -711,7 +689,7 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx,
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;
}
@@ -720,7 +698,7 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx,
dest += clearValueSize;
}
- ctx->Driver.UnmapBuffer(ctx, bufObj);
+ ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL);
}
@@ -731,16 +709,17 @@ _mesa_buffer_clear_subdata(struct gl_context *ctx,
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;
}
@@ -751,7 +730,8 @@ _mesa_buffer_map_range( struct gl_context *ctx, GLintptr offset,
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;
@@ -769,14 +749,15 @@ _mesa_buffer_flush_mapped_range( struct gl_context *ctx,
* \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;
}
@@ -794,14 +775,11 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx,
{
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;
@@ -810,10 +788,12 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx,
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
@@ -822,9 +802,9 @@ _mesa_copy_buffer_subdata(struct gl_context *ctx,
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);
}
@@ -1039,6 +1019,21 @@ _mesa_init_buffer_object_functions(struct dd_function_table *driver)
}
+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 */
@@ -1085,12 +1080,7 @@ _mesa_DeleteBuffers(GLsizei n, const GLuint *ids)
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++) {
@@ -1278,12 +1268,8 @@ _mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
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);
- }
+ /* 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);
@@ -1355,12 +1341,8 @@ _mesa_BufferData(GLenum target, GLsizeiptrARB size,
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);
- }
+ /* 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);
@@ -1594,7 +1576,7 @@ _mesa_MapBuffer(GLenum target, GLenum access)
return NULL;
}
- if (_mesa_bufferobj_mapped(bufObj)) {
+ if (_mesa_bufferobj_mapped(bufObj, MAP_USER)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)");
return NULL;
}
@@ -1606,7 +1588,8 @@ _mesa_MapBuffer(GLenum target, GLenum access)
}
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;
@@ -1616,10 +1599,10 @@ _mesa_MapBuffer(GLenum target, GLenum access)
* 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)
@@ -1647,7 +1630,7 @@ _mesa_MapBuffer(GLenum target, GLenum access)
}
#endif
- return bufObj->Pointer;
+ return bufObj->Mappings[MAP_USER].Pointer;
}
@@ -1663,7 +1646,7 @@ _mesa_UnmapBuffer(GLenum target)
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;
}
@@ -1704,11 +1687,11 @@ _mesa_UnmapBuffer(GLenum target)
}
#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;
}
@@ -1733,25 +1716,26 @@ _mesa_GetBufferParameteriv(GLenum target, GLenum pname, GLint *params)
*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)
@@ -1797,25 +1781,26 @@ _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params)
*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)
@@ -1853,7 +1838,7 @@ _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params)
if (!bufObj)
return;
- *params = bufObj->Pointer;
+ *params = bufObj->Mappings[MAP_USER].Pointer;
}
@@ -2061,7 +2046,7 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
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;
@@ -2076,15 +2061,16 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
/* 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)");
}
@@ -2093,10 +2079,10 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
* 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;
@@ -2135,30 +2121,33 @@ _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length)
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);
}
@@ -2812,7 +2801,7 @@ _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
* currently mapped by MapBufferRange, unless it was mapped
* with MAP_PERSISTENT_BIT set in the MapBufferRange access flags."
*/
- if (!(bufObj->AccessFlags & GL_MAP_PERSISTENT_BIT) &&
+ 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 "
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 23:30:11 +0000