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Diffstat (limited to 'src/gallium/include/pipe/p_inlines.h')
| -rw-r--r-- | src/gallium/include/pipe/p_inlines.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h new file mode 100644 index 0000000000..5e79b7f485 --- /dev/null +++ b/src/gallium/include/pipe/p_inlines.h @@ -0,0 +1,222 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef P_INLINES_H +#define P_INLINES_H + +#include "p_context.h" +#include "p_defines.h" +#include "p_screen.h" +#include "p_winsys.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +/* XXX: these are a kludge. will fix when all surfaces are views into + * textures, and free-floating winsys surfaces go away. + */ +static INLINE void * +pipe_surface_map( struct pipe_surface *surf, unsigned flags ) +{ + if (surf->texture) { + struct pipe_screen *screen = surf->texture->screen; + return surf->texture->screen->surface_map( screen, surf, flags ); + } + else { + struct pipe_winsys *winsys = surf->winsys; + char *map = (char *)winsys->buffer_map( winsys, surf->buffer, flags ); + if (map == NULL) + return NULL; + return (void *)(map + surf->offset); + } +} + +static INLINE void +pipe_surface_unmap( struct pipe_surface *surf ) +{ + if (surf->texture) { + struct pipe_screen *screen = surf->texture->screen; + surf->texture->screen->surface_unmap( screen, surf ); + } + else { + struct pipe_winsys *winsys = surf->winsys; + winsys->buffer_unmap( winsys, surf->buffer ); + } +} + + + +/** + * Set 'ptr' to point to 'surf' and update reference counting. + * The old thing pointed to, if any, will be unreferenced first. + * 'surf' may be NULL. + */ +static INLINE void +pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf) +{ + /* bump the refcount first */ + if (surf) { + assert(surf->refcount); + surf->refcount++; + } + + if (*ptr) { + assert((*ptr)->refcount); + + /* There are currently two sorts of surfaces... This needs to be + * fixed so that all surfaces are views into a texture. + */ + if ((*ptr)->texture) { + struct pipe_screen *screen = (*ptr)->texture->screen; + screen->tex_surface_release( screen, ptr ); + } + else { + struct pipe_winsys *winsys = (*ptr)->winsys; + winsys->surface_release(winsys, ptr); + } + + assert(!*ptr); + } + + *ptr = 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 + */ +static INLINE void +pipe_texture_reference(struct pipe_texture **ptr, + struct pipe_texture *pt) +{ + assert(ptr); + + if (pt) { + assert(pt->refcount); + pt->refcount++; + } + + if (*ptr) { + struct pipe_screen *screen = (*ptr)->screen; + assert(screen); + assert((*ptr)->refcount); + screen->texture_release(screen, ptr); + + assert(!*ptr); + } + + *ptr = pt; +} + + +static INLINE void +pipe_texture_release(struct pipe_texture **ptr) +{ + struct pipe_screen *screen; + assert(ptr); + screen = (*ptr)->screen; + assert((*ptr)->refcount); + screen->texture_release(screen, ptr); + *ptr = NULL; +} + + +/** + * Convenience wrappers for winsys 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); +} + +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); +} + +static INLINE void * +pipe_buffer_map(struct pipe_screen *screen, + struct pipe_buffer *buf, + unsigned usage) +{ + return screen->winsys->buffer_map(screen->winsys, buf, usage); +} + +static INLINE void +pipe_buffer_unmap(struct pipe_screen *screen, + struct pipe_buffer *buf) +{ + screen->winsys->buffer_unmap(screen->winsys, buf); +} + +/* XXX when we're using this everywhere, get rid of + * winsys_buffer_reference() above. + */ +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); +} + + +#ifdef __cplusplus +} +#endif + +#endif /* P_INLINES_H */ |