diff options
Diffstat (limited to 'src/gallium/include/pipe/p_screen.h')
| -rw-r--r-- | src/gallium/include/pipe/p_screen.h | 66 |
1 files changed, 22 insertions, 44 deletions
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h index e4a9222809..b7cb83abbe 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; @@ -108,16 +110,23 @@ 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_blanket)(struct pipe_screen *, - const struct pipe_texture *templat, - const unsigned *stride, - struct pipe_buffer *buffer); + 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. + */ + boolean (*texture_get_handle)(struct pipe_screen *, + struct pipe_texture *tex, + struct winsys_handle *handle); + void (*texture_destroy)(struct pipe_texture *pt); @@ -133,23 +142,6 @@ struct pipe_screen { void (*tex_surface_destroy)(struct pipe_surface *); - /** Get a transfer object for transferring data to/from a texture */ - struct pipe_transfer *(*get_tex_transfer)(struct pipe_screen *, - struct pipe_texture *texture, - unsigned face, unsigned level, - unsigned zslice, - enum pipe_transfer_usage usage, - unsigned x, unsigned y, - unsigned w, unsigned h); - - void (*tex_transfer_destroy)(struct pipe_transfer *); - - void *(*transfer_map)( struct pipe_screen *, - struct pipe_transfer *transfer ); - - void (*transfer_unmap)( struct pipe_screen *, - struct pipe_transfer *transfer ); - /** * Create a new buffer. @@ -187,23 +179,6 @@ 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); /** @@ -273,6 +248,7 @@ struct pipe_screen { /** * Do any special operations to ensure buffer size is correct + * \param context_private the private data of the calling context */ void (*update_buffer)( struct pipe_screen *ws, void *context_private ); @@ -280,10 +256,12 @@ struct pipe_screen { /** * Do any special operations to ensure frontbuffer contents are * displayed, eg copy fake frontbuffer. + * \param winsys_drawable_handle an opaque handle that the calling context + * gets out-of-band */ void (*flush_frontbuffer)( struct pipe_screen *screen, struct pipe_surface *surf, - void *context_private ); + void *winsys_drawable_handle ); |