diff options
author | Eric Anholt <eric@anholt.net> | 2007-12-15 12:47:23 -0800 |
---|---|---|
committer | Eric Anholt <eric@anholt.net> | 2007-12-15 12:47:23 -0800 |
commit | 3fe9d5cbb7c680c6fb88a2eba678b28a2a06949e (patch) | |
tree | 3484ffa02b2a3ff87d23660aec5027f9a643956b /src/mesa/drivers/dri/i965/intel_buffer_objects.c | |
parent | f5b3cd46202517c21fcfcec0102732411df1af18 (diff) |
[intel] Merge intel_buffer_objects to shared.
965 gains fixed TTM typing of the buffer object buffers and unused PBO
functions, and 915 gains buffer size == 0 fixes from 965.
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_buffer_objects.c')
l---------[-rw-r--r--] | src/mesa/drivers/dri/i965/intel_buffer_objects.c | 223 |
1 files changed, 1 insertions, 222 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.c b/src/mesa/drivers/dri/i965/intel_buffer_objects.c index 56c1666ac6..e06dd3c8d3 100644..120000 --- a/src/mesa/drivers/dri/i965/intel_buffer_objects.c +++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.c @@ -1,222 +1 @@ -/************************************************************************** - * - * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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 - * without limitation the rights to use, copy, modify, merge, publish, - * 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 - * 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 "imports.h" -#include "mtypes.h" -#include "bufferobj.h" - -#include "intel_context.h" -#include "intel_buffer_objects.h" -#include "dri_bufmgr.h" - -/** Allocates a new dri_bo to store the data for the buffer object. */ -static void -intel_bufferobj_alloc_buffer(struct intel_context *intel, - struct intel_buffer_object *intel_obj) -{ - intel_obj->buffer = dri_bo_alloc(intel->bufmgr, "bufferobj", - intel_obj->Base.Size, 64, - DRM_BO_FLAG_MEM_TT); -} - -/** - * There is some duplication between mesa's bufferobjects and our - * bufmgr buffers. Both have an integer handle and a hashtable to - * lookup an opaque structure. It would be nice if the handles and - * internal structure where somehow shared. - */ -static struct gl_buffer_object *intel_bufferobj_alloc( GLcontext *ctx, - GLuint name, - GLenum target ) -{ - struct intel_buffer_object *obj = CALLOC_STRUCT(intel_buffer_object); - - _mesa_initialize_buffer_object(&obj->Base, name, target); - - return &obj->Base; -} - - -/** - * Deallocate/free a vertex/pixel buffer object. - * Called via glDeleteBuffersARB(). - */ -static void intel_bufferobj_free( GLcontext *ctx, - struct gl_buffer_object *obj ) -{ - struct intel_buffer_object *intel_obj = intel_buffer_object(obj); - - assert(intel_obj); - - if (intel_obj->buffer) - dri_bo_unreference(intel_obj->buffer); - - _mesa_free(intel_obj); -} - - - -/** - * Allocate space for and store data in a buffer object. Any data that was - * previously stored in the buffer object is lost. If data is NULL, - * memory will be allocated, but no copy will occur. - * Called via glBufferDataARB(). - */ -static void intel_bufferobj_data( GLcontext *ctx, - GLenum target, - GLsizeiptrARB size, - const GLvoid *data, - GLenum usage, - struct gl_buffer_object *obj ) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_buffer_object *intel_obj = intel_buffer_object(obj); - - /* XXX: do something useful with 'usage' (eg. populate flags - * argument below) - */ - assert(intel_obj); - - obj->Size = size; - obj->Usage = usage; - - /* While it would seem to make sense to always reallocate the buffer here, - * since it should allow us better concurrency between rendering and - * map-cpu write-unmap, doing so was a minor (~10%) performance loss - * for both classic and TTM mode with openarena. That may change with - * improved buffer manager algorithms. - */ - if (intel_obj->buffer != NULL && intel_obj->buffer->size != size) { - dri_bo_unreference(intel_obj->buffer); - intel_obj->buffer = NULL; - } - if (size != 0) { - if (intel_obj->buffer == NULL) - intel_bufferobj_alloc_buffer(intel, intel_obj); - - if (data != NULL) - dri_bo_subdata(intel_obj->buffer, 0, size, data); - } -} - - -/** - * Replace data in a subrange of buffer object. If the data range - * specified by size + offset extends beyond the end of the buffer or - * if data is NULL, no copy is performed. - * Called via glBufferSubDataARB(). - */ -static void intel_bufferobj_subdata( GLcontext *ctx, - GLenum target, - GLintptrARB offset, - GLsizeiptrARB size, - const GLvoid * data, - struct gl_buffer_object * obj ) -{ - struct intel_buffer_object *intel_obj = intel_buffer_object(obj); - - assert(intel_obj); - dri_bo_subdata(intel_obj->buffer, offset, size, data); -} - - -/** - * Called via glGetBufferSubDataARB(). - */ -static void intel_bufferobj_get_subdata( GLcontext *ctx, - GLenum target, - GLintptrARB offset, - GLsizeiptrARB size, - GLvoid * data, - struct gl_buffer_object * obj ) -{ - struct intel_buffer_object *intel_obj = intel_buffer_object(obj); - - assert(intel_obj); - dri_bo_get_subdata(intel_obj->buffer, offset, size, data); -} - - - -/** - * Called via glMapBufferARB(). - */ -static void *intel_bufferobj_map( GLcontext *ctx, - GLenum target, - GLenum access, - struct gl_buffer_object *obj ) -{ - struct intel_buffer_object *intel_obj = intel_buffer_object(obj); - - /* XXX: Translate access to flags arg below: - */ - assert(intel_obj); - assert(intel_obj->buffer); - - dri_bo_map(intel_obj->buffer, GL_TRUE); - obj->Pointer = intel_obj->buffer->virtual; - return obj->Pointer; -} - - -/** - * Called via glMapBufferARB(). - */ -static GLboolean intel_bufferobj_unmap( GLcontext *ctx, - GLenum target, - struct gl_buffer_object *obj ) -{ - struct intel_buffer_object *intel_obj = intel_buffer_object(obj); - - assert(intel_obj); - assert(intel_obj->buffer); - assert(obj->Pointer); - dri_bo_unmap(intel_obj->buffer); - obj->Pointer = NULL; - return GL_TRUE; -} - -dri_bo *intel_bufferobj_buffer( const struct intel_buffer_object *intel_obj ) -{ - assert(intel_obj->Base.Name); - assert(intel_obj->buffer); - return intel_obj->buffer; -} - -void intel_bufferobj_init( struct intel_context *intel ) -{ - GLcontext *ctx = &intel->ctx; - - ctx->Driver.NewBufferObject = intel_bufferobj_alloc; - ctx->Driver.DeleteBuffer = intel_bufferobj_free; - ctx->Driver.BufferData = intel_bufferobj_data; - ctx->Driver.BufferSubData = intel_bufferobj_subdata; - ctx->Driver.GetBufferSubData = intel_bufferobj_get_subdata; - ctx->Driver.MapBuffer = intel_bufferobj_map; - ctx->Driver.UnmapBuffer = intel_bufferobj_unmap; -} +../intel/intel_buffer_objects.c
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