| 0,0 → 1,239 |
|---|
| |
| #include "state_tracker/drm_driver.h" |
| #include "i915_drm_winsys.h" |
| #include "util/u_memory.h" |
| |
| #include "i915_drm.h" |
| |
| static char *i915_drm_type_to_name(enum i915_winsys_buffer_type type) |
| { |
| char *name; |
| |
| if (type == I915_NEW_TEXTURE) { |
| name = "gallium3d_texture"; |
| } else if (type == I915_NEW_VERTEX) { |
| name = "gallium3d_vertex"; |
| } else if (type == I915_NEW_SCANOUT) { |
| name = "gallium3d_scanout"; |
| } else { |
| assert(0); |
| name = "gallium3d_unknown"; |
| } |
| |
| return name; |
| } |
| |
| static struct i915_winsys_buffer * |
| i915_drm_buffer_create(struct i915_winsys *iws, |
| unsigned size, |
| enum i915_winsys_buffer_type type) |
| { |
| struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer); |
| struct i915_drm_winsys *idws = i915_drm_winsys(iws); |
| |
| if (!buf) |
| return NULL; |
| |
| buf->magic = 0xDEAD1337; |
| buf->flinked = FALSE; |
| buf->flink = 0; |
| |
| buf->bo = drm_intel_bo_alloc(idws->gem_manager, |
| i915_drm_type_to_name(type), size, 0); |
| |
| if (!buf->bo) |
| goto err; |
| |
| return (struct i915_winsys_buffer *)buf; |
| |
| err: |
| assert(0); |
| FREE(buf); |
| return NULL; |
| } |
| |
| static struct i915_winsys_buffer * |
| i915_drm_buffer_create_tiled(struct i915_winsys *iws, |
| unsigned *stride, unsigned height, |
| enum i915_winsys_buffer_tile *tiling, |
| enum i915_winsys_buffer_type type) |
| { |
| struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer); |
| struct i915_drm_winsys *idws = i915_drm_winsys(iws); |
| unsigned long pitch = 0; |
| uint32_t tiling_mode = *tiling; |
| |
| if (!buf) |
| return NULL; |
| |
| buf->magic = 0xDEAD1337; |
| buf->flinked = FALSE; |
| buf->flink = 0; |
| |
| buf->bo = drm_intel_bo_alloc_tiled(idws->gem_manager, |
| i915_drm_type_to_name(type), |
| *stride, height, 1, |
| &tiling_mode, &pitch, 0); |
| |
| if (!buf->bo) |
| goto err; |
| |
| *stride = pitch; |
| *tiling = tiling_mode; |
| return (struct i915_winsys_buffer *)buf; |
| |
| err: |
| assert(0); |
| FREE(buf); |
| return NULL; |
| } |
| |
| static struct i915_winsys_buffer * |
| i915_drm_buffer_from_handle(struct i915_winsys *iws, |
| struct winsys_handle *whandle, |
| enum i915_winsys_buffer_tile *tiling, |
| unsigned *stride) |
| { |
| struct i915_drm_winsys *idws = i915_drm_winsys(iws); |
| struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer); |
| uint32_t tile = 0, swizzle = 0; |
| |
| if (!buf) |
| return NULL; |
| |
| buf->magic = 0xDEAD1337; |
| buf->bo = drm_intel_bo_gem_create_from_name(idws->gem_manager, "gallium3d_from_handle", whandle->handle); |
| buf->flinked = TRUE; |
| buf->flink = whandle->handle; |
| |
| if (!buf->bo) |
| goto err; |
| |
| drm_intel_bo_get_tiling(buf->bo, &tile, &swizzle); |
| |
| *stride = whandle->stride; |
| *tiling = tile; |
| |
| return (struct i915_winsys_buffer *)buf; |
| |
| err: |
| FREE(buf); |
| return NULL; |
| } |
| |
| static boolean |
| i915_drm_buffer_get_handle(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer, |
| struct winsys_handle *whandle, |
| unsigned stride) |
| { |
| struct i915_drm_buffer *buf = i915_drm_buffer(buffer); |
| |
| if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) { |
| if (!buf->flinked) { |
| if (drm_intel_bo_flink(buf->bo, &buf->flink)) |
| return FALSE; |
| buf->flinked = TRUE; |
| } |
| |
| whandle->handle = buf->flink; |
| } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) { |
| whandle->handle = buf->bo->handle; |
| } else { |
| assert(!"unknown usage"); |
| return FALSE; |
| } |
| |
| whandle->stride = stride; |
| return TRUE; |
| } |
| |
| static void * |
| i915_drm_buffer_map(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer, |
| boolean write) |
| { |
| struct i915_drm_buffer *buf = i915_drm_buffer(buffer); |
| drm_intel_bo *bo = intel_bo(buffer); |
| int ret = 0; |
| |
| assert(bo); |
| |
| if (buf->map_count) |
| goto out; |
| |
| ret = drm_intel_gem_bo_map_gtt(bo); |
| |
| buf->ptr = bo->virtual; |
| |
| assert(ret == 0); |
| out: |
| if (ret) |
| return NULL; |
| |
| buf->map_count++; |
| return buf->ptr; |
| } |
| |
| static void |
| i915_drm_buffer_unmap(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer) |
| { |
| struct i915_drm_buffer *buf = i915_drm_buffer(buffer); |
| |
| if (--buf->map_count) |
| return; |
| |
| drm_intel_gem_bo_unmap_gtt(intel_bo(buffer)); |
| } |
| |
| static int |
| i915_drm_buffer_write(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer, |
| size_t offset, |
| size_t size, |
| const void *data) |
| { |
| struct i915_drm_buffer *buf = i915_drm_buffer(buffer); |
| |
| return drm_intel_bo_subdata(buf->bo, offset, size, (void*)data); |
| } |
| |
| static void |
| i915_drm_buffer_destroy(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer) |
| { |
| drm_intel_bo_unreference(intel_bo(buffer)); |
| |
| #ifdef DEBUG |
| i915_drm_buffer(buffer)->magic = 0; |
| i915_drm_buffer(buffer)->bo = NULL; |
| #endif |
| |
| FREE(buffer); |
| } |
| |
| static boolean |
| i915_drm_buffer_is_busy(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer) |
| { |
| struct i915_drm_buffer* i915_buffer = i915_drm_buffer(buffer); |
| if (!i915_buffer) |
| return FALSE; |
| return drm_intel_bo_busy(i915_buffer->bo); |
| } |
| |
| |
| void |
| i915_drm_winsys_init_buffer_functions(struct i915_drm_winsys *idws) |
| { |
| idws->base.buffer_create = i915_drm_buffer_create; |
| idws->base.buffer_create_tiled = i915_drm_buffer_create_tiled; |
| idws->base.buffer_from_handle = i915_drm_buffer_from_handle; |
| idws->base.buffer_get_handle = i915_drm_buffer_get_handle; |
| idws->base.buffer_map = i915_drm_buffer_map; |
| idws->base.buffer_unmap = i915_drm_buffer_unmap; |
| idws->base.buffer_write = i915_drm_buffer_write; |
| idws->base.buffer_destroy = i915_drm_buffer_destroy; |
| idws->base.buffer_is_busy = i915_drm_buffer_is_busy; |
| } |