diff options
Diffstat (limited to 'src/gallium/include/pipe')
| -rw-r--r-- | src/gallium/include/pipe/internal/p_winsys_screen.h (renamed from src/gallium/include/pipe/p_winsys.h) | 3 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_inlines.h | 51 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_screen.h | 105 |
3 files changed, 124 insertions, 35 deletions
diff --git a/src/gallium/include/pipe/p_winsys.h b/src/gallium/include/pipe/internal/p_winsys_screen.h index 3ae83e8105d..ee835578b23 100644 --- a/src/gallium/include/pipe/p_winsys.h +++ b/src/gallium/include/pipe/internal/p_winsys_screen.h @@ -36,7 +36,7 @@ #define P_WINSYS_H -#include "p_format.h" +#include "pipe/p_format.h" #ifdef __cplusplus @@ -178,7 +178,6 @@ struct pipe_winsys }; - #ifdef __cplusplus } #endif diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h index 73783926169..1219c817b4c 100644 --- a/src/gallium/include/pipe/p_inlines.h +++ b/src/gallium/include/pipe/p_inlines.h @@ -31,7 +31,6 @@ #include "p_context.h" #include "p_defines.h" #include "p_screen.h" -#include "p_winsys.h" #ifdef __cplusplus @@ -89,29 +88,6 @@ pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf) } -/* XXX: thread safety issues! - */ -static INLINE void -winsys_buffer_reference(struct pipe_winsys *winsys, - struct pipe_buffer **ptr, - struct pipe_buffer *buf) -{ - if (buf) { - assert(buf->refcount); - buf->refcount++; - } - - if (*ptr) { - assert((*ptr)->refcount); - if(--(*ptr)->refcount == 0) - winsys->buffer_destroy( winsys, *ptr ); - } - - *ptr = buf; -} - - - /** * \sa pipe_surface_reference */ @@ -152,20 +128,20 @@ pipe_texture_release(struct pipe_texture **ptr) /** - * Convenience wrappers for winsys buffer functions. + * Convenience wrappers for screen buffer functions. */ static INLINE struct pipe_buffer * pipe_buffer_create( struct pipe_screen *screen, unsigned alignment, unsigned usage, unsigned size ) { - return screen->winsys->buffer_create(screen->winsys, alignment, usage, size); + return screen->buffer_create(screen, alignment, usage, size); } static INLINE struct pipe_buffer * pipe_user_buffer_create( struct pipe_screen *screen, void *ptr, unsigned size ) { - return screen->winsys->user_buffer_create(screen->winsys, ptr, size); + return screen->user_buffer_create(screen, ptr, size); } static INLINE void * @@ -173,25 +149,36 @@ pipe_buffer_map(struct pipe_screen *screen, struct pipe_buffer *buf, unsigned usage) { - return screen->winsys->buffer_map(screen->winsys, buf, usage); + return screen->buffer_map(screen, buf, usage); } static INLINE void pipe_buffer_unmap(struct pipe_screen *screen, struct pipe_buffer *buf) { - screen->winsys->buffer_unmap(screen->winsys, buf); + screen->buffer_unmap(screen, buf); } -/* XXX when we're using this everywhere, get rid of - * winsys_buffer_reference() above. +/* XXX: thread safety issues! */ static INLINE void pipe_buffer_reference(struct pipe_screen *screen, struct pipe_buffer **ptr, struct pipe_buffer *buf) { - winsys_buffer_reference(screen->winsys, ptr, buf); + if (buf) { + assert(buf->refcount); + buf->refcount++; + } + + if (*ptr) { + assert((*ptr)->refcount); + if(--(*ptr)->refcount == 0) { + screen->buffer_destroy( screen, *ptr ); + } + } + + *ptr = buf; } diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h index 492667c93ac..0bd7d12e221 100644 --- a/src/gallium/include/pipe/p_screen.h +++ b/src/gallium/include/pipe/p_screen.h @@ -48,6 +48,8 @@ extern "C" { #endif +/** Opaque type */ +struct pipe_fence_handle; /** * Gallium screen/adapter context. Basically everything @@ -128,7 +130,108 @@ struct pipe_screen { void (*surface_unmap)( struct pipe_screen *, struct pipe_surface *surface ); - + + + /** + * Buffer management. Buffer attributes are mostly fixed over its lifetime. + * + */ + struct pipe_buffer *(*buffer_create)( struct pipe_screen *screen, + unsigned alignment, + unsigned usage, + unsigned size ); + + /** + * Create a buffer that wraps user-space data. + * + * Effectively this schedules a delayed call to buffer_create + * followed by an upload of the data at *some point in the future*, + * or perhaps never. Basically the allocate/upload is delayed + * until the buffer is actually passed to hardware. + * + * The intention is to provide a quick way to turn regular data + * into a buffer, and secondly to avoid a copy operation if that + * data subsequently turns out to be only accessed by the CPU. + * + * Common example is OpenGL vertex buffers that are subsequently + * processed either by software TNL in the driver or by passing to + * hardware. + * + * XXX: What happens if the delayed call to buffer_create() fails? + * + * 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 *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 ); + + void (*buffer_unmap)( struct pipe_screen *screen, + struct pipe_buffer *buf ); + + void (*buffer_destroy)( struct pipe_screen *screen, + struct pipe_buffer *buf ); + + + /** + * Do any special operations to ensure frontbuffer contents are + * displayed, eg copy fake frontbuffer. + */ + void (*flush_frontbuffer)( struct pipe_screen *screen, + struct pipe_surface *surf, + void *context_private ); + + + + /** Set ptr = fence, with reference counting */ + void (*fence_reference)( struct pipe_screen *screen, + struct pipe_fence_handle **ptr, + struct pipe_fence_handle *fence ); + + /** + * Checks whether the fence has been signalled. + * \param flags driver-specific meaning + * \return zero on success. + */ + int (*fence_signalled)( struct pipe_screen *screen, + struct pipe_fence_handle *fence, + unsigned flag ); + + /** + * Wait for the fence to finish. + * \param flags driver-specific meaning + * \return zero on success. + */ + int (*fence_finish)( struct pipe_screen *screen, + struct pipe_fence_handle *fence, + unsigned flag ); + }; |