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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 "state_tracker/drm_driver.h"
#include "r600_priv.h"
#include "r600d.h"
#include "drm.h"
#include "radeon_drm.h"
struct r600_bo *r600_bo(struct radeon *radeon,
unsigned size, unsigned alignment,
unsigned binding, 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 = (PB_USAGE_CPU_READ_WRITE | PB_USAGE_GPU_READ_WRITE);
ws_bo->size = size;
if (binding & (PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER))
man = radeon->cman;
else
man = radeon->kman;
/* Staging resources particpate in transfers and blits only
* and are used for uploads and downloads from regular
* resources. We generate them internally for some transfers.
*/
if (usage == PIPE_USAGE_STAGING)
ws_bo->domains = RADEON_GEM_DOMAIN_CPU | RADEON_GEM_DOMAIN_GTT;
else
ws_bo->domains = (RADEON_GEM_DOMAIN_CPU |
RADEON_GEM_DOMAIN_GTT |
RADEON_GEM_DOMAIN_VRAM);
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, unsigned *array_mode)
{
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;
ws_bo->domains = (RADEON_GEM_DOMAIN_CPU |
RADEON_GEM_DOMAIN_GTT |
RADEON_GEM_DOMAIN_VRAM);
pipe_reference_init(&ws_bo->reference, 1);
radeon_bo_get_tiling_flags(radeon, bo, &ws_bo->tiling_flags,
&ws_bo->kernel_pitch);
if (array_mode) {
if (ws_bo->tiling_flags) {
if (ws_bo->tiling_flags & RADEON_TILING_MICRO)
*array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
if ((ws_bo->tiling_flags & (RADEON_TILING_MICRO | RADEON_TILING_MACRO)) ==
(RADEON_TILING_MICRO | RADEON_TILING_MACRO))
*array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
} else {
*array_mode = 0;
}
}
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;
}
boolean r600_bo_get_winsys_handle(struct radeon *radeon, struct r600_bo *pb_bo,
unsigned stride, struct winsys_handle *whandle)
{
struct radeon_bo *bo;
bo = radeon_bo_pb_get_bo(pb_bo->pb);
if (!bo)
return FALSE;
whandle->stride = stride;
switch(whandle->type) {
case DRM_API_HANDLE_TYPE_KMS:
whandle->handle = r600_bo_get_handle(pb_bo);
break;
case DRM_API_HANDLE_TYPE_SHARED:
if (radeon_bo_get_name(radeon, bo, &whandle->handle))
return FALSE;
break;
default:
return FALSE;
}
return TRUE;
}
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