diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_surfaces.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_surfaces.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_surfaces.h b/src/gallium/auxiliary/util/u_surfaces.h new file mode 100644 index 0000000..6de5e7c --- /dev/null +++ b/src/gallium/auxiliary/util/u_surfaces.h @@ -0,0 +1,54 @@ +#ifndef U_SURFACES_H_ +#define U_SURFACES_H_ + +#include "pipe/p_compiler.h" +#include "pipe/p_state.h" +#include "util/u_atomic.h" + +struct util_hash_table; + +struct util_surfaces +{ + union + { + struct util_hash_table *table; + struct pipe_surface **array; + } u; +}; + +struct pipe_surface *util_surfaces_do_get(struct util_surfaces *us, unsigned surface_struct_size, struct pipe_screen *pscreen, struct pipe_resource *pt, unsigned face, unsigned level, unsigned zslice, unsigned flags); + +/* fast inline path for the very common case */ +static INLINE struct pipe_surface * +util_surfaces_get(struct util_surfaces *us, unsigned surface_struct_size, struct pipe_screen *pscreen, struct pipe_resource *pt, unsigned face, unsigned level, unsigned zslice, unsigned flags) +{ + if(likely(pt->target == PIPE_TEXTURE_2D && us->u.array)) + { + struct pipe_surface *ps = us->u.array[level]; + if(ps) + { + p_atomic_inc(&ps->reference.count); + return ps; + } + } + + return util_surfaces_do_get(us, surface_struct_size, pscreen, pt, face, level, zslice, flags); +} + +void util_surfaces_do_detach(struct util_surfaces *us, struct pipe_surface *ps); + +static INLINE void +util_surfaces_detach(struct util_surfaces *us, struct pipe_surface *ps) +{ + if(likely(ps->texture->target == PIPE_TEXTURE_2D)) + { + us->u.array[ps->level] = 0; + return; + } + + return util_surfaces_do_detach(us, ps); +} + +void util_surfaces_destroy(struct util_surfaces *us, struct pipe_resource *pt, void (*destroy_surface) (struct pipe_surface *)); + +#endif |