diff options
Diffstat (limited to 'src/gallium/auxiliary/cso_cache/cso_context.c')
-rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_context.c | 82 |
1 files changed, 81 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c index a7335c340c..292e489312 100644 --- a/src/gallium/auxiliary/cso_cache/cso_context.c +++ b/src/gallium/auxiliary/cso_cache/cso_context.c @@ -89,6 +89,7 @@ struct cso_context { void *rasterizer, *rasterizer_saved; void *fragment_shader, *fragment_shader_saved, *geometry_shader; void *vertex_shader, *vertex_shader_saved, *geometry_shader_saved; + void *velements, *velements_saved; struct pipe_clip_state clip; struct pipe_clip_state clip_saved; @@ -174,6 +175,20 @@ static boolean delete_vs_state(struct cso_context *ctx, void *state) return FALSE; } +static boolean delete_vertex_elements(struct cso_context *ctx, + void *state) +{ + struct cso_velements *cso = (struct cso_velements *)state; + + if (ctx->velements == cso->data) + return FALSE; + + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); + return TRUE; +} + static INLINE boolean delete_cso(struct cso_context *ctx, void *state, enum cso_cache_type type) @@ -197,6 +212,9 @@ static INLINE boolean delete_cso(struct cso_context *ctx, case CSO_VERTEX_SHADER: return delete_vs_state(ctx, state); break; + case CSO_VELEMENTS: + return delete_vertex_elements(ctx, state); + break; default: assert(0); FREE(state); @@ -1130,7 +1148,6 @@ void cso_restore_geometry_shader(struct cso_context *ctx) ctx->geometry_shader_saved = NULL; } - /* clip state */ static INLINE void @@ -1180,3 +1197,66 @@ cso_restore_clip(struct cso_context *ctx) ctx->pipe->set_clip_state(ctx->pipe, &ctx->clip_saved); } } + +enum pipe_error cso_set_vertex_elements(struct cso_context *ctx, + unsigned count, + const struct pipe_vertex_element *states) +{ + unsigned key_size, hash_key; + struct cso_hash_iter iter; + void *handle; + struct cso_velems_state velems_state; + + /* need to include the count into the stored state data too. + Otherwise first few count pipe_vertex_elements could be identical even if count + is different, and there's no guarantee the hash would be different in that + case neither */ + key_size = sizeof(struct pipe_vertex_element) * count + sizeof(unsigned); + velems_state.count = count; + memcpy(velems_state.velems, states, sizeof(struct pipe_vertex_element) * count); + hash_key = cso_construct_key((void*)&velems_state, key_size); + iter = cso_find_state_template(ctx->cache, hash_key, CSO_VELEMENTS, (void*)&velems_state, key_size); + + if (cso_hash_iter_is_null(iter)) { + struct cso_velements *cso = MALLOC(sizeof(struct cso_velements)); + if (!cso) + return PIPE_ERROR_OUT_OF_MEMORY; + + memcpy(&cso->state, &velems_state, key_size); + cso->data = ctx->pipe->create_vertex_elements_state(ctx->pipe, count, &cso->state.velems[0]); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_vertex_elements_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_VELEMENTS, cso); + if (cso_hash_iter_is_null(iter)) { + FREE(cso); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + handle = cso->data; + } + else { + handle = ((struct cso_velements *)cso_hash_iter_data(iter))->data; + } + + if (ctx->velements != handle) { + ctx->velements = handle; + ctx->pipe->bind_vertex_elements_state(ctx->pipe, handle); + } + return PIPE_OK; +} + +void cso_save_vertex_elements(struct cso_context *ctx) +{ + assert(!ctx->velements); + ctx->velements_saved = ctx->velements; +} + +void cso_restore_vertex_elements(struct cso_context *ctx) +{ + if (ctx->velements != ctx->velements_saved) { + ctx->velements = ctx->velements_saved; + ctx->pipe->bind_vertex_elements_state(ctx->pipe, ctx->velements_saved); + } + ctx->velements_saved = NULL; +} |