+++ /dev/null
-/**************************************************************************
- *
- * 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.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Zack Rusin <zack@tungstengraphics.com>
- */
-
-#include "st_cache.h"
-
-#include "st_context.h"
-
-#include "pipe/p_state.h"
-
-#include "cso_cache/cso_cache.h"
-#include "cso_cache/cso_hash.h"
-
-
-/* Those function will either find the state of the given template
- * in the cache or they will create a new state from the given
- * template, insert it in the cache and return it.
- */
-
-/*
- * If the driver returns 0 from the create method then they will assign
- * the data member of the cso to be the template itself.
- */
-
-const struct cso_blend * st_cached_blend_state(struct st_context *st,
- const struct pipe_blend_state *templ)
-{
- unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_blend_state));
- struct cso_hash_iter iter = cso_find_state_template(st->cache,
- hash_key, CSO_BLEND,
- (void*)templ);
- if (cso_hash_iter_is_null(iter)) {
- struct cso_blend *cso = malloc(sizeof(struct cso_blend));
- memcpy(&cso->state, templ, sizeof(struct pipe_blend_state));
- cso->data = st->pipe->create_blend_state(st->pipe, &cso->state);
- if (!cso->data)
- cso->data = &cso->state;
- cso->delete_state = (cso_state_callback)st->pipe->delete_blend_state;
- cso->context = st->pipe;
- iter = cso_insert_state(st->cache, hash_key, CSO_BLEND, cso);
- }
- return ((struct cso_blend *)cso_hash_iter_data(iter));
-}
-
-const struct cso_sampler *
-st_cached_sampler_state(struct st_context *st,
- const struct pipe_sampler_state *templ)
-{
- unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_sampler_state));
- struct cso_hash_iter iter = cso_find_state_template(st->cache,
- hash_key, CSO_SAMPLER,
- (void*)templ);
- if (cso_hash_iter_is_null(iter)) {
- struct cso_sampler *cso = malloc(sizeof(struct cso_sampler));
- memcpy(&cso->state, templ, sizeof(struct pipe_sampler_state));
- cso->data = st->pipe->create_sampler_state(st->pipe, &cso->state);
- if (!cso->data)
- cso->data = &cso->state;
- cso->delete_state = (cso_state_callback)st->pipe->delete_sampler_state;
- cso->context = st->pipe;
- iter = cso_insert_state(st->cache, hash_key, CSO_SAMPLER, cso);
- }
- return (struct cso_sampler*)(cso_hash_iter_data(iter));
-}
-
-const struct cso_depth_stencil_alpha *
-st_cached_depth_stencil_alpha_state(struct st_context *st,
- const struct pipe_depth_stencil_alpha_state *templ)
-{
- unsigned hash_key = cso_construct_key((void*)templ,
- sizeof(struct pipe_depth_stencil_alpha_state));
- struct cso_hash_iter iter = cso_find_state_template(st->cache,
- hash_key,
- CSO_DEPTH_STENCIL_ALPHA,
- (void*)templ);
- if (cso_hash_iter_is_null(iter)) {
- struct cso_depth_stencil_alpha *cso = malloc(sizeof(struct cso_depth_stencil_alpha));
- memcpy(&cso->state, templ, sizeof(struct pipe_depth_stencil_alpha_state));
- cso->data = st->pipe->create_depth_stencil_alpha_state(st->pipe, &cso->state);
- if (!cso->data)
- cso->data = &cso->state;
- cso->delete_state = (cso_state_callback)st->pipe->delete_depth_stencil_alpha_state;
- cso->context = st->pipe;
- iter = cso_insert_state(st->cache, hash_key, CSO_DEPTH_STENCIL_ALPHA, cso);
- }
- return (struct cso_depth_stencil_alpha*)(cso_hash_iter_data(iter));
-}
-
-const struct cso_rasterizer* st_cached_rasterizer_state(
- struct st_context *st,
- const struct pipe_rasterizer_state *templ)
-{
- unsigned hash_key = cso_construct_key((void*)templ,
- sizeof(struct pipe_rasterizer_state));
- struct cso_hash_iter iter = cso_find_state_template(st->cache,
- hash_key, CSO_RASTERIZER,
- (void*)templ);
- if (cso_hash_iter_is_null(iter)) {
- struct cso_rasterizer *cso = malloc(sizeof(struct cso_rasterizer));
- memcpy(&cso->state, templ, sizeof(struct pipe_rasterizer_state));
- cso->data = st->pipe->create_rasterizer_state(st->pipe, &cso->state);
- if (!cso->data)
- cso->data = &cso->state;
- cso->delete_state = (cso_state_callback)st->pipe->delete_rasterizer_state;
- cso->context = st->pipe;
- iter = cso_insert_state(st->cache, hash_key, CSO_RASTERIZER, cso);
- }
- return (struct cso_rasterizer*)(cso_hash_iter_data(iter));
-}
-
-const struct cso_fragment_shader *
-st_cached_fs_state(struct st_context *st,
- const struct pipe_shader_state *templ)
-{
- unsigned hash_key = cso_construct_key((void*)templ,
- sizeof(struct pipe_shader_state));
- struct cso_hash_iter iter = cso_find_state_template(st->cache,
- hash_key, CSO_FRAGMENT_SHADER,
- (void*)templ);
- if (cso_hash_iter_is_null(iter)) {
- struct cso_fragment_shader *cso = malloc(sizeof(struct cso_fragment_shader));
- memcpy(&cso->state, templ, sizeof(struct pipe_shader_state));
- cso->data = st->pipe->create_fs_state(st->pipe, &cso->state);
- if (!cso->data)
- cso->data = &cso->state;
- cso->delete_state = (cso_state_callback)st->pipe->delete_fs_state;
- cso->context = st->pipe;
- iter = cso_insert_state(st->cache, hash_key, CSO_FRAGMENT_SHADER, cso);
- }
- return (struct cso_fragment_shader*)(cso_hash_iter_data(iter));
-}
-
-const struct cso_vertex_shader *
-st_cached_vs_state(struct st_context *st,
- const struct pipe_shader_state *templ)
-{
- unsigned hash_key = cso_construct_key((void*)templ,
- sizeof(struct pipe_shader_state));
- struct cso_hash_iter iter = cso_find_state_template(st->cache,
- hash_key, CSO_VERTEX_SHADER,
- (void*)templ);
- if (cso_hash_iter_is_null(iter)) {
- struct cso_vertex_shader *cso = malloc(sizeof(struct cso_vertex_shader));
- memcpy(&cso->state, templ, sizeof(struct pipe_shader_state));
- cso->data = st->pipe->create_vs_state(st->pipe, &cso->state);
- if (!cso->data)
- cso->data = &cso->state;
- cso->delete_state = (cso_state_callback)st->pipe->delete_vs_state;
- cso->context = st->pipe;
- iter = cso_insert_state(st->cache, hash_key, CSO_VERTEX_SHADER, cso);
- }
- return (struct cso_vertex_shader*)(cso_hash_iter_data(iter));
-}