/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 "main/arrayobj.h"
#include "main/bufferobj.h"
-#include "st_inlines.h"
#include "st_context.h"
#include "st_cb_bufferobjects.h"
+#include "st_debug.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
* internal structure where somehow shared.
*/
static struct gl_buffer_object *
-st_bufferobj_alloc(GLcontext *ctx, GLuint name, GLenum target)
+st_bufferobj_alloc(struct gl_context *ctx, GLuint name, GLenum target)
{
struct st_buffer_object *st_obj = ST_CALLOC_STRUCT(st_buffer_object);
if (!st_obj)
return NULL;
- _mesa_initialize_buffer_object(&st_obj->Base, name, target);
+ _mesa_initialize_buffer_object(ctx, &st_obj->Base, name, target);
return &st_obj->Base;
}
* Called via glDeleteBuffersARB().
*/
static void
-st_bufferobj_free(GLcontext *ctx, struct gl_buffer_object *obj)
+st_bufferobj_free(struct gl_context *ctx, struct gl_buffer_object *obj)
{
struct st_buffer_object *st_obj = st_buffer_object(obj);
assert(obj->RefCount == 0);
assert(st_obj->transfer == NULL);
- if (st_obj->buffer)
+ if (st_obj->buffer)
pipe_resource_reference(&st_obj->buffer, NULL);
+ free(st_obj->Base.Label);
free(st_obj);
}
* Called via glBufferSubDataARB().
*/
static void
-st_bufferobj_subdata(GLcontext *ctx,
- GLenum target,
+st_bufferobj_subdata(struct gl_context *ctx,
GLintptrARB offset,
GLsizeiptrARB size,
const GLvoid * data, struct gl_buffer_object *obj)
if (!data)
return;
+ if (!st_obj->buffer) {
+ /* we probably ran out of memory during buffer allocation */
+ return;
+ }
+
/* Now that transfers are per-context, we don't have to figure out
* flushing here. Usually drivers won't need to flush in this case
* even if the buffer is currently referenced by hardware - they
* Called via glGetBufferSubDataARB().
*/
static void
-st_bufferobj_get_subdata(GLcontext *ctx,
- GLenum target,
+st_bufferobj_get_subdata(struct gl_context *ctx,
GLintptrARB offset,
GLsizeiptrARB size,
GLvoid * data, struct gl_buffer_object *obj)
if (!size)
return;
+ if (!st_obj->buffer) {
+ /* we probably ran out of memory during buffer allocation */
+ return;
+ }
+
pipe_buffer_read(st_context(ctx)->pipe, st_obj->buffer,
offset, size, data);
}
* \return GL_TRUE for success, GL_FALSE if out of memory
*/
static GLboolean
-st_bufferobj_data(GLcontext *ctx,
+st_bufferobj_data(struct gl_context *ctx,
GLenum target,
GLsizeiptrARB size,
const GLvoid * data,
- GLenum usage,
+ GLenum usage,
struct gl_buffer_object *obj)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
- unsigned buffer_usage;
+ unsigned bind, pipe_usage;
+
+ if (size && data && st_obj->buffer &&
+ st_obj->Base.Size == size && st_obj->Base.Usage == usage) {
+ /* Just discard the old contents and write new data.
+ * This should be the same as creating a new buffer, but we avoid
+ * a lot of validation in Mesa.
+ */
+ struct pipe_box box;
+
+ u_box_1d(0, size, &box);
+ pipe->transfer_inline_write(pipe, st_obj->buffer, 0,
+ PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE,
+ &box, data, 0, 0);
+ return GL_TRUE;
+ }
st_obj->Base.Size = size;
st_obj->Base.Usage = usage;
-
- switch(target) {
+
+ switch (target) {
case GL_PIXEL_PACK_BUFFER_ARB:
case GL_PIXEL_UNPACK_BUFFER_ARB:
- buffer_usage = (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_BLIT_SOURCE |
- PIPE_BIND_BLIT_DESTINATION);
+ bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
break;
case GL_ARRAY_BUFFER_ARB:
- buffer_usage = PIPE_BIND_VERTEX_BUFFER;
+ bind = PIPE_BIND_VERTEX_BUFFER;
break;
case GL_ELEMENT_ARRAY_BUFFER_ARB:
- buffer_usage = PIPE_BIND_INDEX_BUFFER;
+ bind = PIPE_BIND_INDEX_BUFFER;
+ break;
+ case GL_TEXTURE_BUFFER:
+ bind = PIPE_BIND_SAMPLER_VIEW;
+ break;
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ bind = PIPE_BIND_STREAM_OUTPUT;
+ break;
+ case GL_UNIFORM_BUFFER:
+ bind = PIPE_BIND_CONSTANT_BUFFER;
break;
default:
- buffer_usage = 0;
+ bind = 0;
+ }
+
+ switch (usage) {
+ case GL_STATIC_DRAW:
+ case GL_STATIC_READ:
+ case GL_STATIC_COPY:
+ pipe_usage = PIPE_USAGE_STATIC;
+ break;
+ case GL_DYNAMIC_DRAW:
+ case GL_DYNAMIC_READ:
+ case GL_DYNAMIC_COPY:
+ pipe_usage = PIPE_USAGE_DYNAMIC;
+ break;
+ case GL_STREAM_DRAW:
+ case GL_STREAM_READ:
+ case GL_STREAM_COPY:
+ pipe_usage = PIPE_USAGE_STREAM;
+ break;
+ default:
+ pipe_usage = PIPE_USAGE_DEFAULT;
}
pipe_resource_reference( &st_obj->buffer, NULL );
+ if (ST_DEBUG & DEBUG_BUFFER) {
+ debug_printf("Create buffer size %td bind 0x%x\n", size, bind);
+ }
+
if (size != 0) {
- st_obj->buffer = pipe_buffer_create(pipe->screen, buffer_usage, size);
+ st_obj->buffer = pipe_buffer_create(pipe->screen, bind,
+ pipe_usage, size);
if (!st_obj->buffer) {
+ /* out of memory */
+ st_obj->Base.Size = 0;
return GL_FALSE;
}
if (data)
- st_no_flush_pipe_buffer_write(st_context(ctx), st_obj->buffer, 0,
- size, data);
- return GL_TRUE;
+ pipe_buffer_write(pipe, st_obj->buffer, 0, size, data);
}
- return GL_TRUE;
-}
-
+ /* BufferData may change an array or uniform buffer, need to update it */
+ st->dirty.st |= ST_NEW_VERTEX_ARRAYS | ST_NEW_UNIFORM_BUFFER;
-/**
- * Called via glMapBufferARB().
- */
-static void *
-st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access,
- struct gl_buffer_object *obj)
-{
- struct st_buffer_object *st_obj = st_buffer_object(obj);
- uint flags;
-
- switch (access) {
- case GL_WRITE_ONLY:
- flags = PIPE_TRANSFER_WRITE;
- break;
- case GL_READ_ONLY:
- flags = PIPE_TRANSFER_READ;
- break;
- case GL_READ_WRITE:
- default:
- flags = PIPE_TRANSFER_READ_WRITE;
- break;
- }
-
- obj->Pointer = pipe_buffer_map(st_context(ctx)->pipe,
- st_obj->buffer,
- flags,
- &st_obj->transfer);
-
- if (obj->Pointer) {
- obj->Offset = 0;
- obj->Length = obj->Size;
- }
- return obj->Pointer;
+ return GL_TRUE;
}
-/**
- * Dummy data whose's pointer is used for zero length ranges.
- */
-static long
-st_bufferobj_zero_length_range = 0;
-
-
/**
* Called via glMapBufferRange().
*/
static void *
-st_bufferobj_map_range(GLcontext *ctx, GLenum target,
+st_bufferobj_map_range(struct gl_context *ctx,
GLintptr offset, GLsizeiptr length, GLbitfield access,
struct gl_buffer_object *obj)
{
if (access & GL_MAP_FLUSH_EXPLICIT_BIT)
flags |= PIPE_TRANSFER_FLUSH_EXPLICIT;
-
+
+ if (access & GL_MAP_INVALIDATE_BUFFER_BIT) {
+ flags |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+ }
+ else if (access & GL_MAP_INVALIDATE_RANGE_BIT) {
+ if (offset == 0 && length == obj->Size)
+ flags |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+ else
+ flags |= PIPE_TRANSFER_DISCARD_RANGE;
+ }
+
if (access & GL_MAP_UNSYNCHRONIZED_BIT)
flags |= PIPE_TRANSFER_UNSYNCHRONIZED;
assert(offset < obj->Size);
assert(offset + length <= obj->Size);
- /*
- * We go out of way here to hide the degenerate yet valid case of zero
- * length range from the pipe driver.
- */
- if (!length) {
- obj->Pointer = &st_bufferobj_zero_length_range;
- }
- else {
- obj->Pointer = pipe_buffer_map_range(pipe,
- st_obj->buffer,
- offset, length,
- flags,
- &st_obj->transfer);
- if (obj->Pointer) {
- obj->Pointer = (ubyte *) obj->Pointer + offset;
- }
- }
-
+ obj->Pointer = pipe_buffer_map_range(pipe,
+ st_obj->buffer,
+ offset, length,
+ flags,
+ &st_obj->transfer);
if (obj->Pointer) {
obj->Offset = offset;
obj->Length = length;
obj->AccessFlags = access;
}
+ else {
+ st_obj->transfer = NULL;
+ }
return obj->Pointer;
}
static void
-st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target,
+st_bufferobj_flush_mapped_range(struct gl_context *ctx,
GLintptr offset, GLsizeiptr length,
struct gl_buffer_object *obj)
{
assert(length >= 0);
assert(offset + length <= obj->Length);
assert(obj->Pointer);
-
+
if (!length)
return;
- pipe_buffer_flush_mapped_range(pipe, st_obj->transfer,
+ pipe_buffer_flush_mapped_range(pipe, st_obj->transfer,
obj->Offset + offset, length);
}
* Called via glUnmapBufferARB().
*/
static GLboolean
-st_bufferobj_unmap(GLcontext *ctx, GLenum target, struct gl_buffer_object *obj)
+st_bufferobj_unmap(struct gl_context *ctx, struct gl_buffer_object *obj)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
if (obj->Length)
- pipe_buffer_unmap(pipe, st_obj->buffer, st_obj->transfer);
+ pipe_buffer_unmap(pipe, st_obj->transfer);
st_obj->transfer = NULL;
obj->Pointer = NULL;
* Called via glCopyBufferSubData().
*/
static void
-st_copy_buffer_subdata(GLcontext *ctx,
+st_copy_buffer_subdata(struct gl_context *ctx,
struct gl_buffer_object *src,
struct gl_buffer_object *dst,
GLintptr readOffset, GLintptr writeOffset,
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_buffer_object *srcObj = st_buffer_object(src);
struct st_buffer_object *dstObj = st_buffer_object(dst);
- struct pipe_transfer *src_transfer;
- struct pipe_transfer *dst_transfer;
- ubyte *srcPtr, *dstPtr;
+ struct pipe_box box;
- if(!size)
+ if (!size)
return;
/* buffer should not already be mapped */
assert(!src->Pointer);
assert(!dst->Pointer);
- srcPtr = (ubyte *) pipe_buffer_map_range(pipe,
- srcObj->buffer,
- readOffset, size,
- PIPE_TRANSFER_READ,
- &src_transfer);
+ u_box_1d(readOffset, size, &box);
- dstPtr = (ubyte *) pipe_buffer_map_range(pipe,
- dstObj->buffer,
- writeOffset, size,
- PIPE_TRANSFER_WRITE,
- &dst_transfer);
-
- if (srcPtr && dstPtr)
- memcpy(dstPtr + writeOffset, srcPtr + readOffset, size);
-
- pipe_buffer_unmap(pipe, srcObj->buffer, src_transfer);
- pipe_buffer_unmap(pipe, dstObj->buffer, dst_transfer);
+ pipe->resource_copy_region(pipe, dstObj->buffer, 0, writeOffset, 0, 0,
+ srcObj->buffer, 0, &box);
}
void
st_init_bufferobject_functions(struct dd_function_table *functions)
{
+ /* plug in default driver fallbacks (such as for ClearBufferSubData) */
+ _mesa_init_buffer_object_functions(functions);
+
functions->NewBufferObject = st_bufferobj_alloc;
functions->DeleteBuffer = st_bufferobj_free;
functions->BufferData = st_bufferobj_data;
functions->BufferSubData = st_bufferobj_subdata;
functions->GetBufferSubData = st_bufferobj_get_subdata;
- functions->MapBuffer = st_bufferobj_map;
functions->MapBufferRange = st_bufferobj_map_range;
functions->FlushMappedBufferRange = st_bufferobj_flush_mapped_range;
functions->UnmapBuffer = st_bufferobj_unmap;
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