diff options
Diffstat (limited to 'src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c')
-rw-r--r-- | src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c b/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c deleted file mode 100644 index ac4dd6e00e..0000000000 --- a/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c +++ /dev/null @@ -1,154 +0,0 @@ - -#include "intel_drm_winsys.h" -#include "util/u_memory.h" - -#include "i915_drm.h" - -static struct intel_buffer * -intel_drm_buffer_create(struct intel_winsys *iws, - unsigned size, unsigned alignment, - enum intel_buffer_type type) -{ - struct intel_drm_buffer *buf = CALLOC_STRUCT(intel_drm_buffer); - struct intel_drm_winsys *idws = intel_drm_winsys(iws); - drm_intel_bufmgr *pool; - char *name; - - if (!buf) - return NULL; - - buf->magic = 0xDEAD1337; - buf->flinked = FALSE; - buf->flink = 0; - buf->map_gtt = FALSE; - - if (type == INTEL_NEW_TEXTURE) { - name = "gallium3d_texture"; - pool = idws->pools.gem; - } else if (type == INTEL_NEW_VERTEX) { - name = "gallium3d_vertex"; - pool = idws->pools.gem; - buf->map_gtt = TRUE; - } else if (type == INTEL_NEW_SCANOUT) { - name = "gallium3d_scanout"; - pool = idws->pools.gem; - buf->map_gtt = TRUE; - } else { - assert(0); - name = "gallium3d_unknown"; - pool = idws->pools.gem; - } - - buf->bo = drm_intel_bo_alloc(pool, name, size, alignment); - - if (!buf->bo) - goto err; - - return (struct intel_buffer *)buf; - -err: - assert(0); - FREE(buf); - return NULL; -} - -static int -intel_drm_buffer_set_fence_reg(struct intel_winsys *iws, - struct intel_buffer *buffer, - unsigned stride, - enum intel_buffer_tile tile) -{ - struct intel_drm_buffer *buf = intel_drm_buffer(buffer); - assert(I915_TILING_NONE == INTEL_TILE_NONE); - assert(I915_TILING_X == INTEL_TILE_X); - assert(I915_TILING_Y == INTEL_TILE_Y); - - if (tile != INTEL_TILE_NONE) { - assert(buf->map_count == 0); - buf->map_gtt = TRUE; - } - - return drm_intel_bo_set_tiling(buf->bo, &tile, stride); -} - -static void * -intel_drm_buffer_map(struct intel_winsys *iws, - struct intel_buffer *buffer, - boolean write) -{ - struct intel_drm_buffer *buf = intel_drm_buffer(buffer); - drm_intel_bo *bo = intel_bo(buffer); - int ret = 0; - - assert(bo); - - if (buf->map_count) - goto out; - - if (buf->map_gtt) - ret = drm_intel_gem_bo_map_gtt(bo); - else - ret = drm_intel_bo_map(bo, write); - - buf->ptr = bo->virtual; - - assert(ret == 0); -out: - if (ret) - return NULL; - - buf->map_count++; - return buf->ptr; -} - -static void -intel_drm_buffer_unmap(struct intel_winsys *iws, - struct intel_buffer *buffer) -{ - struct intel_drm_buffer *buf = intel_drm_buffer(buffer); - - if (--buf->map_count) - return; - - if (buf->map_gtt) - drm_intel_gem_bo_unmap_gtt(intel_bo(buffer)); - else - drm_intel_bo_unmap(intel_bo(buffer)); -} - -static int -intel_drm_buffer_write(struct intel_winsys *iws, - struct intel_buffer *buffer, - size_t offset, - size_t size, - const void *data) -{ - struct intel_drm_buffer *buf = intel_drm_buffer(buffer); - - return drm_intel_bo_subdata(buf->bo, offset, size, (void*)data); -} - -static void -intel_drm_buffer_destroy(struct intel_winsys *iws, - struct intel_buffer *buffer) -{ - drm_intel_bo_unreference(intel_bo(buffer)); - -#ifdef DEBUG - intel_drm_buffer(buffer)->magic = 0; - intel_drm_buffer(buffer)->bo = NULL; -#endif - - FREE(buffer); -} - -void -intel_drm_winsys_init_buffer_functions(struct intel_drm_winsys *idws) -{ - idws->base.buffer_create = intel_drm_buffer_create; - idws->base.buffer_set_fence_reg = intel_drm_buffer_set_fence_reg; - idws->base.buffer_map = intel_drm_buffer_map; - idws->base.buffer_unmap = intel_drm_buffer_unmap; - idws->base.buffer_write = intel_drm_buffer_write; - idws->base.buffer_destroy = intel_drm_buffer_destroy; -} |