diff options
Diffstat (limited to 'src/gallium/winsys/drm')
| -rw-r--r-- | src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h b/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h index 6705dd42897..6bf3183ff54 100644 --- a/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h +++ b/src/gallium/winsys/drm/vmware/core/vmwgfx_drm.h @@ -45,7 +45,7 @@ #define DRM_VMW_UNREF_DMABUF 10 #define DRM_VMW_FIFO_DEBUG 11 #define DRM_VMW_FENCE_WAIT 12 - +#define DRM_VMW_OVERLAY 13 /*************************************************************************/ /** @@ -439,4 +439,68 @@ struct drm_vmw_fence_wait_arg { int32_t pad64; }; +/*************************************************************************/ +/** + * DRM_VMW_OVERLAY - Control overlays. + * + * This IOCTL controls the overlay units of the svga device. + * The SVGA overlay units does not work like regular hardware units in + * that they do not automaticaly read back the contents of the given dma + * buffer. But instead only read back for each call to this ioctl, and + * at any point between this call being made and a following call that + * either changes the buffer or disables the stream. + */ + +/** + * struct drm_vmw_rect + * + * Defines a rectangle. Used in the overlay ioctl to define + * source and destination rectangle. + */ + +struct drm_vmw_rect { + int32_t x; + int32_t y; + uint32_t w; + uint32_t h; +}; + +/** + * struct drm_vmw_overlay_arg + * + * @stream_id: Stearm to control + * @enabled: If false all following arguments are ignored. + * @handle: Handle to buffer for getting data from. + * @format: Format of the overlay as understood by the host. + * @width: Width of the overlay. + * @height: Height of the overlay. + * @size: Size of the overlay in bytes. + * @pitch: Array of pitches, the two last are only used for YUV12 formats. + * @offset: Offset from start of dma buffer to overlay. + * @src: Source rect, must be within the defined area above. + * @dst: Destination rect, x and y may be negative. + * + * Argument to the DRM_VMW_OVERLAY Ioctl. + */ + +struct drm_vmw_overlay_arg { + uint32_t stream_id; + uint32_t enabled; + + uint32_t flags; + uint32_t color_key; + + uint32_t handle; + uint32_t offset; + int32_t format; + uint32_t size; + uint32_t width; + uint32_t height; + uint32_t pitch[3]; + + uint32_t pad64; + struct drm_vmw_rect src; + struct drm_vmw_rect dst; +}; + #endif |