diff options
Diffstat (limited to 'src/gallium/include/pipe/p_screen.h')
| -rw-r--r-- | src/gallium/include/pipe/p_screen.h | 48 |
1 files changed, 21 insertions, 27 deletions
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h index 48625bf312..690455f722 100644 --- a/src/gallium/include/pipe/p_screen.h +++ b/src/gallium/include/pipe/p_screen.h @@ -50,6 +50,8 @@ extern "C" { /** Opaque type */ +struct winsys_handle; +/** Opaque type */ struct pipe_fence_handle; struct pipe_winsys; struct pipe_buffer; @@ -108,20 +110,29 @@ struct pipe_screen { const struct pipe_texture *templat); /** - * Create a new texture object, using the given template info, but on top of - * existing memory. - * - * It is assumed that the buffer data is layed out according to the expected - * by the hardware. NULL will be returned if any inconsistency is found. + * Create a texture from a winsys_handle. The handle is often created in + * another process by first creating a pipe texture and then calling + * texture_get_handle. + */ + struct pipe_texture * (*texture_from_handle)(struct pipe_screen *, + const struct pipe_texture *templat, + struct winsys_handle *handle); + + /** + * Get a winsys_handle from a texture. Some platforms/winsys requires + * that the texture is created with a special usage flag like + * DISPLAYTARGET or PRIMARY. */ - struct pipe_texture * (*texture_blanket)(struct pipe_screen *, - const struct pipe_texture *templat, - const unsigned *stride, - struct pipe_buffer *buffer); + boolean (*texture_get_handle)(struct pipe_screen *, + struct pipe_texture *tex, + struct winsys_handle *handle); + void (*texture_destroy)(struct pipe_texture *pt); - /** Get a surface which is a "view" into a texture */ + /** Get a 2D surface which is a "view" into a texture + * \param usage bitmaks of PIPE_BUFFER_USAGE_* read/write flags + */ struct pipe_surface *(*get_tex_surface)(struct pipe_screen *, struct pipe_texture *texture, unsigned face, unsigned level, @@ -185,23 +196,6 @@ struct pipe_screen { void *ptr, unsigned bytes); - /** - * Allocate storage for a display target surface. - * - * Often surfaces which are meant to be blitted to the front screen (i.e., - * display targets) must be allocated with special characteristics, memory - * pools, or obtained directly from the windowing system. - * - * This callback is invoked by the pipe_screenwhen creating a texture marked - * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying - * buffer storage. - */ - struct pipe_buffer *(*surface_buffer_create)(struct pipe_screen *screen, - unsigned width, unsigned height, - enum pipe_format format, - unsigned usage, - unsigned tex_usage, - unsigned *stride); /** |