--- /dev/null
+/**************************************************************************\r
+ *\r
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.\r
+ * All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the\r
+ * "Software"), to deal in the Software without restriction, including\r
+ * without limitation the rights to use, copy, modify, merge, publish,\r
+ * distribute, sub license, and/or sell copies of the Software, and to\r
+ * permit persons to whom the Software is furnished to do so, subject to\r
+ * the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice (including the\r
+ * next paragraph) shall be included in all copies or substantial portions\r
+ * of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS\r
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.\r
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR\r
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\r
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\r
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ **************************************************************************/\r
+\r
+ /* Wrap the cso cache & hash mechanisms in a simplified\r
+ * pipe-driver-specific interface.\r
+ *\r
+ * Authors:\r
+ * Zack Rusin <zack@tungstengraphics.com>\r
+ * Keith Whitwell <keith@tungstengraphics.com>\r
+ */\r
+\r
+#include "pipe/p_state.h"\r
+#include "pipe/p_util.h"\r
+\r
+#include "cso_cache/cso_context.h"\r
+#include "cso_cache/cso_cache.h"\r
+#include "cso_cache/cso_hash.h"\r
+\r
+struct cso_context {\r
+ struct pipe_context *pipe;\r
+ struct cso_cache *cache;\r
+\r
+ struct {\r
+ void *samplers[PIPE_MAX_SAMPLERS];\r
+ unsigned nr_samplers;\r
+ } hw;\r
+\r
+ void *samplers[PIPE_MAX_SAMPLERS];\r
+ unsigned nr_samplers;\r
+\r
+ void *blend;\r
+ void *depth_stencil;\r
+ void *rasterizer;\r
+ void *fragment_shader;\r
+ void *vertex_shader;\r
+};\r
+\r
+\r
+struct cso_context *cso_create_context( struct pipe_context *pipe )\r
+{\r
+ struct cso_context *ctx = CALLOC_STRUCT(cso_context);\r
+ if (ctx == NULL)\r
+ goto out;\r
+\r
+ ctx->cache = cso_cache_create();\r
+ if (ctx->cache == NULL)\r
+ goto out;\r
+\r
+ ctx->pipe = pipe;\r
+\r
+ return ctx;\r
+\r
+out:\r
+ cso_destroy_context( ctx ); \r
+ return NULL;\r
+}\r
+\r
+\r
+void cso_destroy_context( struct cso_context *ctx )\r
+{\r
+ if (ctx == NULL)\r
+ return;\r
+ \r
+/*\r
+ if (ctx->pipe) \r
+ ctx->pipe->flush( ctx->pipe, PIPE_FLUSH_UNBIND_ALL );\r
+*/\r
+\r
+ if (ctx->cache)\r
+ cso_cache_delete( ctx->cache );\r
+ \r
+ FREE( ctx );\r
+}\r
+\r
+\r
+/* Those function will either find the state of the given template\r
+ * in the cache or they will create a new state from the given\r
+ * template, insert it in the cache and return it.\r
+ */\r
+\r
+/*\r
+ * If the driver returns 0 from the create method then they will assign\r
+ * the data member of the cso to be the template itself.\r
+ */\r
+\r
+void cso_set_blend(struct cso_context *ctx,\r
+ const struct pipe_blend_state *templ)\r
+{\r
+ unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_blend_state));\r
+ struct cso_hash_iter iter = cso_find_state_template(ctx->cache,\r
+ hash_key, CSO_BLEND,\r
+ (void*)templ);\r
+ void *handle;\r
+\r
+ if (cso_hash_iter_is_null(iter)) {\r
+ struct cso_blend *cso = malloc(sizeof(struct cso_blend));\r
+\r
+ cso->state = *templ;\r
+ cso->data = ctx->pipe->create_blend_state(ctx->pipe, &cso->state);\r
+ cso->delete_state = (cso_state_callback)ctx->pipe->delete_blend_state;\r
+ cso->context = ctx->pipe;\r
+\r
+ iter = cso_insert_state(ctx->cache, hash_key, CSO_BLEND, cso);\r
+ handle = cso->data;\r
+ }\r
+ else {\r
+ handle = ((struct cso_blend *)cso_hash_iter_data(iter))->data;\r
+ }\r
+\r
+ if (ctx->blend != handle) {\r
+ ctx->blend = handle;\r
+ ctx->pipe->bind_blend_state(ctx->pipe, handle);\r
+ }\r
+}\r
+\r
+void cso_single_sampler(struct cso_context *ctx,\r
+ unsigned idx,\r
+ const struct pipe_sampler_state *templ)\r
+{\r
+ void *handle = NULL;\r
+ \r
+ if (templ != NULL) {\r
+ unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_sampler_state));\r
+ struct cso_hash_iter iter = cso_find_state_template(ctx->cache,\r
+ hash_key, CSO_SAMPLER,\r
+ (void*)templ);\r
+\r
+ if (cso_hash_iter_is_null(iter)) {\r
+ struct cso_sampler *cso = malloc(sizeof(struct cso_sampler));\r
+ \r
+ cso->state = *templ;\r
+ cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state);\r
+ cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state;\r
+ cso->context = ctx->pipe;\r
+\r
+ iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso);\r
+ handle = cso->data;\r
+ }\r
+ else {\r
+ handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data;\r
+ }\r
+ }\r
+\r
+ ctx->samplers[idx] = handle;\r
+}\r
+\r
+void cso_single_sampler_done( struct cso_context *ctx )\r
+{\r
+ unsigned i; \r
+\r
+ for (i = 0; i < 8; i++)\r
+ if (ctx->samplers[i] == NULL)\r
+ break;\r
+\r
+ ctx->nr_samplers = i;\r
+\r
+ if (ctx->hw.nr_samplers != ctx->nr_samplers ||\r
+ memcmp(ctx->hw.samplers, \r
+ ctx->samplers, \r
+ ctx->nr_samplers * sizeof(void *)) != 0) \r
+ {\r
+ memcpy(ctx->hw.samplers, ctx->samplers, ctx->nr_samplers * sizeof(void *));\r
+ ctx->hw.nr_samplers = ctx->nr_samplers;\r
+\r
+ ctx->pipe->bind_sampler_states(ctx->pipe, ctx->nr_samplers, ctx->samplers);\r
+ }\r
+}\r
+\r
+void cso_set_samplers( struct cso_context *ctx,\r
+ unsigned nr,\r
+ const struct pipe_sampler_state **templates )\r
+{\r
+ unsigned i;\r
+ \r
+ /* TODO: fastpath\r
+ */\r
+\r
+ for (i = 0; i < nr; i++)\r
+ cso_single_sampler( ctx, i, templates[i] );\r
+\r
+ for ( ; i < ctx->nr_samplers; i++)\r
+ cso_single_sampler( ctx, i, NULL );\r
+ \r
+ cso_single_sampler_done( ctx );\r
+}\r
+\r
+void cso_set_depth_stencil_alpha(struct cso_context *ctx,\r
+ const struct pipe_depth_stencil_alpha_state *templ)\r
+{\r
+ unsigned hash_key = cso_construct_key((void*)templ,\r
+ sizeof(struct pipe_depth_stencil_alpha_state));\r
+ struct cso_hash_iter iter = cso_find_state_template(ctx->cache,\r
+ hash_key, \r
+ CSO_DEPTH_STENCIL_ALPHA,\r
+ (void*)templ);\r
+ void *handle;\r
+\r
+ if (cso_hash_iter_is_null(iter)) {\r
+ struct cso_depth_stencil_alpha *cso = malloc(sizeof(struct cso_depth_stencil_alpha));\r
+\r
+ cso->state = *templ;\r
+ cso->data = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &cso->state);\r
+ cso->delete_state = (cso_state_callback)ctx->pipe->delete_depth_stencil_alpha_state;\r
+ cso->context = ctx->pipe;\r
+\r
+ cso_insert_state(ctx->cache, hash_key, CSO_DEPTH_STENCIL_ALPHA, cso);\r
+ handle = cso->data;\r
+ }\r
+ else {\r
+ handle = ((struct cso_depth_stencil_alpha *)cso_hash_iter_data(iter))->data;\r
+ }\r
+\r
+ if (ctx->depth_stencil != handle) {\r
+ ctx->depth_stencil = handle;\r
+ ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, handle);\r
+ }\r
+}\r
+\r
+\r
+\r
+void cso_set_rasterizer(struct cso_context *ctx,\r
+ const struct pipe_rasterizer_state *templ)\r
+{\r
+ unsigned hash_key = cso_construct_key((void*)templ,\r
+ sizeof(struct pipe_rasterizer_state));\r
+ struct cso_hash_iter iter = cso_find_state_template(ctx->cache,\r
+ hash_key, CSO_RASTERIZER,\r
+ (void*)templ);\r
+ void *handle = NULL;\r
+\r
+ if (cso_hash_iter_is_null(iter)) {\r
+ struct cso_rasterizer *cso = malloc(sizeof(struct cso_rasterizer));\r
+\r
+ cso->state = *templ;\r
+ cso->data = ctx->pipe->create_rasterizer_state(ctx->pipe, &cso->state);\r
+ cso->delete_state = (cso_state_callback)ctx->pipe->delete_rasterizer_state;\r
+ cso->context = ctx->pipe;\r
+\r
+ cso_insert_state(ctx->cache, hash_key, CSO_RASTERIZER, cso);\r
+ handle = cso->data;\r
+ }\r
+ else {\r
+ handle = ((struct cso_rasterizer *)cso_hash_iter_data(iter))->data;\r
+ }\r
+\r
+ if (ctx->rasterizer != handle) {\r
+ ctx->rasterizer = handle;\r
+ ctx->pipe->bind_rasterizer_state(ctx->pipe, handle);\r
+ }\r
+}\r
+\r
+\r
+\r
+\r
+\r
+void cso_set_fragment_shader(struct cso_context *ctx,\r
+ const struct pipe_shader_state *templ)\r
+{\r
+ unsigned hash_key = cso_construct_key((void*)templ,\r
+ sizeof(struct pipe_shader_state));\r
+ struct cso_hash_iter iter = cso_find_state_template(ctx->cache,\r
+ hash_key, CSO_FRAGMENT_SHADER,\r
+ (void*)templ);\r
+ void *handle = NULL;\r
+\r
+ if (cso_hash_iter_is_null(iter)) {\r
+ struct cso_fragment_shader *cso = malloc(sizeof(struct cso_fragment_shader));\r
+\r
+ cso->state = *templ;\r
+ cso->data = ctx->pipe->create_fs_state(ctx->pipe, &cso->state);\r
+ cso->delete_state = (cso_state_callback)ctx->pipe->delete_fs_state;\r
+ cso->context = ctx->pipe;\r
+\r
+ iter = cso_insert_state(ctx->cache, hash_key, CSO_FRAGMENT_SHADER, cso);\r
+ handle = cso->data;\r
+ }\r
+ else {\r
+ handle = ((struct cso_fragment_shader *)cso_hash_iter_data(iter))->data;\r
+ }\r
+\r
+ if (ctx->fragment_shader != handle) {\r
+ ctx->fragment_shader = handle;\r
+ ctx->pipe->bind_fs_state(ctx->pipe, handle);\r
+ }\r
+}\r
+\r
+void cso_set_vertex_shader(struct cso_context *ctx,\r
+ const struct pipe_shader_state *templ)\r
+{\r
+ unsigned hash_key = cso_construct_key((void*)templ,\r
+ sizeof(struct pipe_shader_state));\r
+ struct cso_hash_iter iter = cso_find_state_template(ctx->cache,\r
+ hash_key, CSO_VERTEX_SHADER,\r
+ (void*)templ);\r
+ void *handle = NULL;\r
+\r
+ if (cso_hash_iter_is_null(iter)) {\r
+ struct cso_vertex_shader *cso = malloc(sizeof(struct cso_vertex_shader));\r
+\r
+ cso->state = *templ;\r
+ cso->data = ctx->pipe->create_vs_state(ctx->pipe, &cso->state);\r
+ cso->delete_state = (cso_state_callback)ctx->pipe->delete_vs_state;\r
+ cso->context = ctx->pipe;\r
+\r
+ iter = cso_insert_state(ctx->cache, hash_key, CSO_VERTEX_SHADER, cso);\r
+ handle = cso->data;\r
+ }\r
+ else {\r
+ handle = ((struct cso_vertex_shader *)cso_hash_iter_data(iter))->data;\r
+ }\r
+\r
+ if (ctx->vertex_shader != handle) {\r
+ ctx->vertex_shader = handle;\r
+ ctx->pipe->bind_fs_state(ctx->pipe, handle);\r
+ }\r
+}\r
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2007-2008 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 CSO_CONTEXT_H
+#define CSO_CONTEXT_H
+
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct cso_context;
+
+struct cso_context *cso_create_context( struct pipe_context *pipe );
+
+void cso_set_blend( struct cso_context *cso,
+ const struct pipe_blend_state *blend );
+
+void cso_set_depth_stencil_alpha( struct cso_context *cso,
+ const struct pipe_depth_stencil_alpha_state *dsa );
+
+void cso_set_rasterizer( struct cso_context *cso,
+ const struct pipe_rasterizer_state *rasterizer );
+
+void cso_set_samplers( struct cso_context *cso,
+ unsigned count,
+ const struct pipe_sampler_state **states );
+
+/* Alternate interface to support state trackers that like to modify
+ * samplers one at a time:
+ */
+void cso_single_sampler( struct cso_context *cso,
+ unsigned nr,
+ const struct pipe_sampler_state *states );
+
+void cso_single_sampler_done( struct cso_context *cso );
+
+
+/* These aren't really sensible -- most of the time the api provides
+ * object semantics for shaders anyway, and the cases where it doesn't
+ * (eg mesa's internall-generated texenv programs), it will be up to
+ * the state tracker to implement their own specialized caching.
+ */
+void cso_set_fragment_shader( struct cso_context *cso,
+ const struct pipe_shader_state *shader );
+
+void cso_set_vertex_shader( struct cso_context *cso,
+ const struct pipe_shader_state *shader );
+
+void cso_destroy_context( struct cso_context *cso );
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
projects / mesa.git / commitdiff