| /* |
| * 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 "r600_priv.h" |
| #include "r600d.h" |
| #include "state_tracker/drm_driver.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; |
| uint32_t initial_domain, domains; |
| |
| /* 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) |
| domains = RADEON_GEM_DOMAIN_CPU | RADEON_GEM_DOMAIN_GTT; |
| else |
| domains = (RADEON_GEM_DOMAIN_CPU | |
| RADEON_GEM_DOMAIN_GTT | |
| RADEON_GEM_DOMAIN_VRAM); |
| |
| 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) { |
| bo->domains = domains; |
| return bo; |
| } |
| } |
| |
| switch(usage) { |
| case PIPE_USAGE_DYNAMIC: |
| case PIPE_USAGE_STREAM: |
| case PIPE_USAGE_STAGING: |
| initial_domain = RADEON_GEM_DOMAIN_GTT; |
| break; |
| case PIPE_USAGE_DEFAULT: |
| case PIPE_USAGE_STATIC: |
| case PIPE_USAGE_IMMUTABLE: |
| default: |
| initial_domain = RADEON_GEM_DOMAIN_VRAM; |
| break; |
| } |
| rbo = radeon_bo(radeon, 0, size, alignment, initial_domain); |
| if (rbo == NULL) { |
| return NULL; |
| } |
| |
| bo = calloc(1, sizeof(struct r600_bo)); |
| bo->size = size; |
| bo->alignment = alignment; |
| bo->domains = domains; |
| bo->bo = rbo; |
| if (binding & (PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER)) { |
| r600_bomgr_bo_init(radeon->bomgr, bo); |
| } |
| |
| 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, 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 & PIPE_TRANSFER_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 & PIPE_TRANSFER_DONTBLOCK) { |
| return NULL; |
| } |
| if (ctx) { |
| pctx->flush(pctx, NULL); |
| } |
| } |
| |
| if (usage & PIPE_TRANSFER_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); |
| } |
| |
| 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 = bo->bo->handle; |
| 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; |
| } |