mesa/src/mesa/vbo/vbo_save.c

80 lines
2.4 KiB
C

/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2008 Brian Paul 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* 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.
*
* Authors:
* Keith Whitwell <keithw@vmware.com>
*/
#include "main/arrayobj.h"
#include "main/bufferobj.h"
#include "util/u_memory.h"
#include "vbo_private.h"
/**
* Called at context creation time.
*/
void vbo_save_init( struct gl_context *ctx )
{
struct vbo_context *vbo = vbo_context(ctx);
struct vbo_save_context *save = &vbo->save;
vbo_save_api_init( save );
for (gl_vertex_processing_mode vpm = VP_MODE_FF; vpm < VP_MODE_MAX; ++vpm)
save->VAO[vpm] = NULL;
save->no_current_update = false;
ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END;
}
void vbo_save_destroy( struct gl_context *ctx )
{
struct vbo_context *vbo = vbo_context(ctx);
struct vbo_save_context *save = &vbo->save;
for (gl_vertex_processing_mode vpm = VP_MODE_FF; vpm < VP_MODE_MAX; ++vpm)
_mesa_reference_vao(ctx, &save->VAO[vpm], NULL);
if (save->prim_store) {
free(save->prim_store->prims);
FREE(save->prim_store);
save->prim_store = NULL;
}
if (save->vertex_store) {
free(save->vertex_store->buffer_in_ram);
FREE(save->vertex_store);
save->vertex_store = NULL;
}
if (save->copied.buffer)
free(save->copied.buffer);
_mesa_reference_buffer_object(ctx, &save->current_bo, NULL);
}