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/*
* Copyright 2010 Dave Airlie
*
* 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
* on 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
* THE AUTHOR(S) AND/OR THEIR 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.
*
* Authors:
* Dave Airlie
*/
#include <pipe/p_compiler.h>
#include <pipe/p_screen.h>
#include <pipebuffer/pb_bufmgr.h>
#include "r600_priv.h"
struct r600_bo *r600_bo(struct radeon *radeon,
unsigned size, unsigned alignment, unsigned usage)
{
struct r600_bo *ws_bo = calloc(1, sizeof(struct r600_bo));
struct pb_desc desc;
struct pb_manager *man;
desc.alignment = alignment;
desc.usage = usage;
ws_bo->size = size;
if (!radeon->use_mem_constant && (usage & PIPE_BIND_CONSTANT_BUFFER)) {
man = radeon->mman;
} else if (usage & (PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER))
man = radeon->cman;
else
man = radeon->kman;
ws_bo->pb = man->create_buffer(man, size, &desc);
if (ws_bo->pb == NULL) {
free(ws_bo);
return NULL;
}
pipe_reference_init(&ws_bo->reference, 1);
return ws_bo;
}
struct r600_bo *r600_bo_handle(struct radeon *radeon,
unsigned handle)
{
struct r600_bo *ws_bo = calloc(1, sizeof(struct r600_bo));
struct radeon_bo *bo;
ws_bo->pb = radeon_bo_pb_create_buffer_from_handle(radeon->kman, handle);
if (!ws_bo->pb) {
free(ws_bo);
return NULL;
}
bo = radeon_bo_pb_get_bo(ws_bo->pb);
ws_bo->size = bo->size;
pipe_reference_init(&ws_bo->reference, 1);
return ws_bo;
}
void *r600_bo_map(struct radeon *radeon, struct r600_bo *bo, unsigned usage, void *ctx)
{
return pb_map(bo->pb, usage, ctx);
}
void r600_bo_unmap(struct radeon *radeon, struct r600_bo *bo)
{
pb_unmap(bo->pb);
}
static void r600_bo_destroy(struct radeon *radeon, struct r600_bo *bo)
{
if (bo->pb)
pb_reference(&bo->pb, NULL);
free(bo);
}
void r600_bo_reference(struct radeon *radeon, struct r600_bo **dst,
struct r600_bo *src)
{
struct r600_bo *old = *dst;
if (pipe_reference(&(*dst)->reference, &src->reference)) {
r600_bo_destroy(radeon, old);
}
*dst = src;
}
unsigned r600_bo_get_handle(struct r600_bo *pb_bo)
{
struct radeon_bo *bo;
bo = radeon_bo_pb_get_bo(pb_bo->pb);
if (!bo)
return 0;
return bo->handle;
}
unsigned r600_bo_get_size(struct r600_bo *pb_bo)
{
struct radeon_bo *bo;
bo = radeon_bo_pb_get_bo(pb_bo->pb);
if (!bo)
return 0;
return bo->size;
}
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