#endif
+/** Opaque type */
+struct winsys_handle;
/** Opaque type */
struct pipe_fence_handle;
struct pipe_winsys;
-struct pipe_buffer;
struct pipe_texture;
+struct pipe_resource;
struct pipe_surface;
struct pipe_transfer;
/**
* Check if the given pipe_format is supported as a texture or
* drawing surface.
- * \param tex_usage bitmask of PIPE_TEXTURE_USAGE_*
+ * \param bindings bitmask of PIPE_BIND_*
* \param geom_flags bitmask of PIPE_TEXTURE_GEOM_*
*/
boolean (*is_format_supported)( struct pipe_screen *,
enum pipe_format format,
enum pipe_texture_target target,
- unsigned tex_usage,
+ unsigned bindings,
unsigned geom_flags );
/**
* Create a new texture object, using the given template info.
*/
- struct pipe_texture * (*texture_create)(struct pipe_screen *,
- const struct pipe_texture *templat);
+ struct pipe_resource * (*resource_create)(struct pipe_screen *,
+ const struct pipe_resource *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_resource * (*resource_from_handle)(struct pipe_screen *,
+ const struct pipe_resource *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 (*resource_get_handle)(struct pipe_screen *,
+ struct pipe_resource *tex,
+ struct winsys_handle *handle);
+
- void (*texture_destroy)(struct pipe_texture *pt);
+ void (*resource_destroy)(struct pipe_screen *,
+ struct pipe_resource *pt);
/** Get a 2D surface which is a "view" into a texture
- * \param usage bitmaks of PIPE_BUFFER_USAGE_* read/write flags
+ * \param usage bitmaks of PIPE_BIND_* flags
*/
struct pipe_surface *(*get_tex_surface)(struct pipe_screen *,
- struct pipe_texture *texture,
+ struct pipe_resource *resource,
unsigned face, unsigned level,
unsigned zslice,
unsigned usage );
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.
- * \param alignment buffer start address alignment in bytes
- * \param usage bitmask of PIPE_BUFFER_USAGE_x
- * \param size size in bytes
- */
- struct pipe_buffer *(*buffer_create)( struct pipe_screen *screen,
- unsigned alignment,
- unsigned usage,
- unsigned size );
/**
* Create a buffer that wraps user-space data.
* Note that ptr may be accessed at any time upto the time when the
* buffer is destroyed, so the data must not be freed before then.
*/
- struct pipe_buffer *(*user_buffer_create)(struct pipe_screen *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);
-
-
- /**
- * Map the entire data store of a buffer object into the client's address.
- * flags is bitmask of PIPE_BUFFER_USAGE_CPU_READ/WRITE flags.
- */
- void *(*buffer_map)( struct pipe_screen *screen,
- struct pipe_buffer *buf,
- unsigned usage );
- /**
- * Map a subrange of the buffer data store into the client's address space.
- *
- * The returned pointer is always relative to buffer start, regardless of
- * the specified range. This is different from the ARB_map_buffer_range
- * semantics because we don't forbid multiple mappings of the same buffer
- * (yet).
- */
- void *(*buffer_map_range)( struct pipe_screen *screen,
- struct pipe_buffer *buf,
- unsigned offset,
- unsigned length,
- unsigned usage);
-
- /**
- * Notify a range that was actually written into.
- *
- * Can only be used if the buffer was mapped with the
- * PIPE_BUFFER_USAGE_CPU_WRITE and PIPE_BUFFER_USAGE_FLUSH_EXPLICIT flags
- * set.
- *
- * The range is relative to the buffer start, regardless of the range
- * specified to buffer_map_range. This is different from the
- * ARB_map_buffer_range semantics because we don't forbid multiple mappings
- * of the same buffer (yet).
- *
- */
- void (*buffer_flush_mapped_range)( struct pipe_screen *screen,
- struct pipe_buffer *buf,
- unsigned offset,
- unsigned length);
-
- /**
- * Unmap buffer.
- *
- * If the buffer was mapped with PIPE_BUFFER_USAGE_CPU_WRITE flag but not
- * PIPE_BUFFER_USAGE_FLUSH_EXPLICIT then the pipe driver will
- * assume that the whole buffer was written. This is mostly for backward
- * compatibility purposes and may affect performance -- the state tracker
- * should always specify exactly what got written while the buffer was
- * mapped.
- */
- void (*buffer_unmap)( struct pipe_screen *screen,
- struct pipe_buffer *buf );
-
- void (*buffer_destroy)( struct pipe_buffer *buf );
-
- /**
- * Do any special operations to ensure buffer size is correct
- */
- void (*update_buffer)( struct pipe_screen *ws,
- void *context_private );
+ struct pipe_resource *(*user_buffer_create)(struct pipe_screen *screen,
+ void *ptr,
+ unsigned bytes,
+ unsigned bind_flags);
/**
* 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 );
projects / mesa.git / blobdiff