diff options
| -rw-r--r-- | src/gallium/state_trackers/xorg/xorg_exa_tgsi.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c index 231077a7530..710b65e6ae4 100644 --- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c +++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c @@ -56,6 +56,20 @@ src_in_mask(struct ureg_program *ureg, ureg_scalar(mask, TGSI_SWIZZLE_W)); } +static void * +create_vs(struct pipe_context *ctx, + unsigned vs_traits) +{ + return NULL; +} + +static void * +create_fs(struct pipe_context *ctx, + unsigned vs_traits) +{ + return NULL; +} + static struct xorg_shader xorg_shader_construct(struct exa_context *exa, int op, @@ -154,11 +168,46 @@ void xorg_shaders_destroy(struct xorg_shaders *sc) free(sc); } +static INLINE void * +shader_from_cache(struct pipe_context *pipe, + unsigned type, + struct cso_hash *hash, + unsigned key) +{ + void *shader = 0; + + struct cso_hash_iter iter = cso_hash_find(hash, key); + + if (cso_hash_iter_is_null(iter)) { + if (type == PIPE_SHADER_VERTEX) + shader = create_vs(pipe, key); + else + shader = create_fs(pipe, key); + cso_hash_insert(hash, key, shader); + } else + shader = (void *)cso_hash_iter_data(iter); + + return shader; +} + struct xorg_shader xorg_shaders_get(struct xorg_shaders *sc, unsigned vs_traits, unsigned fs_traits) { struct xorg_shader shader = {0}; + void *vs, *fs; + + vs = shader_from_cache(sc->exa->ctx, PIPE_SHADER_VERTEX, + sc->vs_hash, vs_traits); + fs = shader_from_cache(sc->exa->ctx, PIPE_SHADER_FRAGMENT, + sc->fs_hash, fs_traits); + + debug_assert(vs && fs); + if (!vs || !fs) + return shader; + + shader.vs = vs; + shader.fs = fs; return shader; } |