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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 *bo;
struct radeon_bo *rbo;
if (binding & (PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER)) {
bo = r600_bomgr_bo_create(radeon->bomgr, size, alignment, *radeon->cfence);
if (bo) {
return bo;
}
}
rbo = radeon_bo(radeon, 0, size, alignment);
if (rbo == NULL) {
return NULL;
}
bo = calloc(1, sizeof(struct r600_bo));
bo->size = size;
bo->alignment = alignment;
bo->bo = rbo;
if (binding & (PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER)) {
r600_bomgr_bo_init(radeon->bomgr, bo);
}
/* 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)
bo->domains = RADEON_GEM_DOMAIN_CPU | RADEON_GEM_DOMAIN_GTT;
else
bo->domains = (RADEON_GEM_DOMAIN_CPU |
RADEON_GEM_DOMAIN_GTT |
RADEON_GEM_DOMAIN_VRAM);
pipe_reference_init(&bo->reference, 1);
return bo;
}
struct r600_bo *r600_bo_handle(struct radeon *radeon,
unsigned handle, unsigned *array_mode)
{
struct r600_bo *bo = calloc(1, sizeof(struct r600_bo));
struct radeon_bo *rbo;
rbo = bo->bo = radeon_bo(radeon, handle, 0, 0);
if (rbo == NULL) {
free(bo);
return NULL;
}
bo->size = rbo->size;
bo->domains = (RADEON_GEM_DOMAIN_CPU |
RADEON_GEM_DOMAIN_GTT |
RADEON_GEM_DOMAIN_VRAM);
pipe_reference_init(&bo->reference, 1);
radeon_bo_get_tiling_flags(radeon, rbo, &bo->tiling_flags, &bo->kernel_pitch);
if (array_mode) {
if (bo->tiling_flags) {
if (bo->tiling_flags & RADEON_TILING_MACRO)
*array_mode = V_0280A0_ARRAY_2D_TILED_THIN1;
else if (bo->tiling_flags & RADEON_TILING_MICRO)
*array_mode = V_0280A0_ARRAY_1D_TILED_THIN1;
} else {
*array_mode = 0;
}
}
return bo;
}
void *r600_bo_map(struct radeon *radeon, struct r600_bo *bo, unsigned usage, void *ctx)
{
struct pipe_context *pctx = ctx;
if (usage & PB_USAGE_UNSYNCHRONIZED) {
radeon_bo_map(radeon, bo->bo);
return (uint8_t *) bo->bo->data + bo->offset;
}
if (p_atomic_read(&bo->bo->reference.count) > 1) {
if (usage & PB_USAGE_DONTBLOCK) {
return NULL;
}
if (ctx) {
pctx->flush(pctx, 0, NULL);
}
}
if (usage & PB_USAGE_DONTBLOCK) {
uint32_t domain;
if (radeon_bo_busy(radeon, bo->bo, &domain))
return NULL;
if (radeon_bo_map(radeon, bo->bo)) {
return NULL;
}
goto out;
}
radeon_bo_map(radeon, bo->bo);
if (radeon_bo_wait(radeon, bo->bo)) {
radeon_bo_unmap(radeon, bo->bo);
return NULL;
}
out:
return (uint8_t *) bo->bo->data + bo->offset;
}
void r600_bo_unmap(struct radeon *radeon, struct r600_bo *bo)
{
radeon_bo_unmap(radeon, bo->bo);
}
void r600_bo_destroy(struct radeon *radeon, struct r600_bo *bo)
{
if (bo->manager_id) {
if (!r600_bomgr_bo_destroy(radeon->bomgr, bo)) {
/* destroy is delayed by buffer manager */
return;
}
}
radeon_bo_reference(radeon, &bo->bo, 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;
}
boolean r600_bo_get_winsys_handle(struct radeon *radeon, struct r600_bo *bo,
unsigned stride, struct winsys_handle *whandle)
{
whandle->stride = stride;
switch(whandle->type) {
case DRM_API_HANDLE_TYPE_KMS:
whandle->handle = r600_bo_get_handle(bo);
break;
case DRM_API_HANDLE_TYPE_SHARED:
if (radeon_bo_get_name(radeon, bo->bo, &whandle->handle))
return FALSE;
break;
default:
return FALSE;
}
return TRUE;
}
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