diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index d08753e8fd94..053418adf6a0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -678,6 +678,7 @@ extern void vmw_fence_single_bo(struct ttm_buffer_object *bo, struct vmw_fence_obj *fence); extern void vmw_resource_evict_all(struct vmw_private *dev_priv); + /** * DMA buffer helper routines - vmwgfx_dmabuf.c */ @@ -1165,6 +1166,53 @@ extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, bool interruptible); extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); +/* CPU blit utilities - vmwgfx_blit.c */ + +/** + * struct vmw_diff_cpy - CPU blit information structure + * + * @rect: The output bounding box rectangle. + * @line: The current line of the blit. + * @line_offset: Offset of the current line segment. + * @cpp: Bytes per pixel (granularity information). + * @memcpy: Which memcpy function to use. + */ +struct vmw_diff_cpy { + struct drm_rect rect; + size_t line; + size_t line_offset; + int cpp; + void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, + size_t n); +}; + +#define VMW_CPU_BLIT_INITIALIZER { \ + .do_cpy = vmw_memcpy, \ +} + +#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ + .line = 0, \ + .line_offset = 0, \ + .rect = { .x1 = INT_MAX/2, \ + .y1 = INT_MAX/2, \ + .x2 = INT_MIN/2, \ + .y2 = INT_MIN/2 \ + }, \ + .cpp = _cpp, \ + .do_cpy = vmw_diff_memcpy, \ +} + +void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, + size_t n); + +void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); + +int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, + u32 dst_offset, u32 dst_stride, + struct ttm_buffer_object *src, + u32 src_offset, u32 src_stride, + u32 w, u32 h, + struct vmw_diff_cpy *diff); /** * Inline helper functions |