diff options
author | Ben Skeggs <skeggsb@gmail.com> | 2008-03-13 13:39:05 +1100 |
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committer | Ben Skeggs <skeggsb@gmail.com> | 2008-03-13 13:39:05 +1100 |
commit | 03ec66375889f049b09f39ba98515aa35ac48164 (patch) | |
tree | e149d8defb52b1252af982b459902ee0800b17cd /src/gallium/auxiliary/cso_cache/cso_context.c | |
parent | bd4fe0e87c1b979973d9a76aa48de5fbbb8d52b7 (diff) | |
parent | 2366bb1baf2e9ae5b6ecf19f66ae9e0a4b0d2f36 (diff) |
Merge remote branch 'upstream/gallium-0.1' into nouveau-gallium-0.1
Diffstat (limited to 'src/gallium/auxiliary/cso_cache/cso_context.c')
-rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_context.c | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c new file mode 100644 index 0000000000..f7f4aebb16 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/cso_context.c @@ -0,0 +1,354 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + + /* Wrap the cso cache & hash mechanisms in a simplified + * pipe-driver-specific interface. + * + * Authors: + * Zack Rusin <zack@tungstengraphics.com> + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "pipe/p_state.h" +#include "pipe/p_util.h" + +#include "cso_cache/cso_context.h" +#include "cso_cache/cso_cache.h" +#include "cso_cache/cso_hash.h" + +struct cso_context { + struct pipe_context *pipe; + struct cso_cache *cache; + + struct { + void *samplers[PIPE_MAX_SAMPLERS]; + unsigned nr_samplers; + } hw; + + void *samplers[PIPE_MAX_SAMPLERS]; + unsigned nr_samplers; + + void *blend; + void *depth_stencil; + void *rasterizer; + void *fragment_shader; + void *vertex_shader; +}; + + +struct cso_context *cso_create_context( struct pipe_context *pipe ) +{ + struct cso_context *ctx = CALLOC_STRUCT(cso_context); + if (ctx == NULL) + goto out; + + ctx->cache = cso_cache_create(); + if (ctx->cache == NULL) + goto out; + + ctx->pipe = pipe; + + /* Enable for testing: */ + if (0) cso_set_maximum_cache_size( ctx->cache, 4 ); + + return ctx; + +out: + cso_destroy_context( ctx ); + return NULL; +} + +static void cso_release_all( struct cso_context *ctx ) +{ + if (ctx->pipe) { + ctx->pipe->bind_blend_state( ctx->pipe, NULL ); + ctx->pipe->bind_rasterizer_state( ctx->pipe, NULL ); + ctx->pipe->bind_sampler_states( ctx->pipe, 0, NULL ); + ctx->pipe->bind_depth_stencil_alpha_state( ctx->pipe, NULL ); + ctx->pipe->bind_fs_state( ctx->pipe, NULL ); + ctx->pipe->bind_vs_state( ctx->pipe, NULL ); + } + + if (ctx->cache) { + cso_cache_delete( ctx->cache ); + ctx->cache = NULL; + } +} + + +void cso_destroy_context( struct cso_context *ctx ) +{ + debug_printf("%s\n", __FUNCTION__); + + if (ctx) + cso_release_all( ctx ); + + FREE( ctx ); +} + + +/* 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. + */ + +void cso_set_blend(struct cso_context *ctx, + 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(ctx->cache, + hash_key, CSO_BLEND, + (void*)templ); + void *handle; + + if (cso_hash_iter_is_null(iter)) { + struct cso_blend *cso = MALLOC(sizeof(struct cso_blend)); + + cso->state = *templ; + cso->data = ctx->pipe->create_blend_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_blend_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_BLEND, cso); + handle = cso->data; + } + else { + handle = ((struct cso_blend *)cso_hash_iter_data(iter))->data; + } + + if (ctx->blend != handle) { + ctx->blend = handle; + ctx->pipe->bind_blend_state(ctx->pipe, handle); + } +} + +void cso_single_sampler(struct cso_context *ctx, + unsigned idx, + const struct pipe_sampler_state *templ) +{ + void *handle = NULL; + + if (templ != NULL) { + unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_sampler_state)); + struct cso_hash_iter iter = cso_find_state_template(ctx->cache, + hash_key, CSO_SAMPLER, + (void*)templ); + + if (cso_hash_iter_is_null(iter)) { + struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler)); + + cso->state = *templ; + cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso); + handle = cso->data; + } + else { + handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data; + } + } + + ctx->samplers[idx] = handle; +} + +void cso_single_sampler_done( struct cso_context *ctx ) +{ + unsigned i; + + for (i = 0; i < 8; i++) + if (ctx->samplers[i] == NULL) + break; + + ctx->nr_samplers = i; + + if (ctx->hw.nr_samplers != ctx->nr_samplers || + memcmp(ctx->hw.samplers, + ctx->samplers, + ctx->nr_samplers * sizeof(void *)) != 0) + { + memcpy(ctx->hw.samplers, ctx->samplers, ctx->nr_samplers * sizeof(void *)); + ctx->hw.nr_samplers = ctx->nr_samplers; + + ctx->pipe->bind_sampler_states(ctx->pipe, ctx->nr_samplers, ctx->samplers); + } +} + +void cso_set_samplers( struct cso_context *ctx, + unsigned nr, + const struct pipe_sampler_state **templates ) +{ + unsigned i; + + /* TODO: fastpath + */ + + for (i = 0; i < nr; i++) + cso_single_sampler( ctx, i, templates[i] ); + + for ( ; i < ctx->nr_samplers; i++) + cso_single_sampler( ctx, i, NULL ); + + cso_single_sampler_done( ctx ); +} + +void cso_set_depth_stencil_alpha(struct cso_context *ctx, + 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(ctx->cache, + hash_key, + CSO_DEPTH_STENCIL_ALPHA, + (void*)templ); + void *handle; + + if (cso_hash_iter_is_null(iter)) { + struct cso_depth_stencil_alpha *cso = MALLOC(sizeof(struct cso_depth_stencil_alpha)); + + cso->state = *templ; + cso->data = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_depth_stencil_alpha_state; + cso->context = ctx->pipe; + + cso_insert_state(ctx->cache, hash_key, CSO_DEPTH_STENCIL_ALPHA, cso); + handle = cso->data; + } + else { + handle = ((struct cso_depth_stencil_alpha *)cso_hash_iter_data(iter))->data; + } + + if (ctx->depth_stencil != handle) { + ctx->depth_stencil = handle; + ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, handle); + } +} + + + +void cso_set_rasterizer(struct cso_context *ctx, + 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(ctx->cache, + hash_key, CSO_RASTERIZER, + (void*)templ); + void *handle = NULL; + + if (cso_hash_iter_is_null(iter)) { + struct cso_rasterizer *cso = MALLOC(sizeof(struct cso_rasterizer)); + + cso->state = *templ; + cso->data = ctx->pipe->create_rasterizer_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_rasterizer_state; + cso->context = ctx->pipe; + + cso_insert_state(ctx->cache, hash_key, CSO_RASTERIZER, cso); + handle = cso->data; + } + else { + handle = ((struct cso_rasterizer *)cso_hash_iter_data(iter))->data; + } + + if (ctx->rasterizer != handle) { + ctx->rasterizer = handle; + ctx->pipe->bind_rasterizer_state(ctx->pipe, handle); + } +} + + + + + +void cso_set_fragment_shader(struct cso_context *ctx, + 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(ctx->cache, + hash_key, CSO_FRAGMENT_SHADER, + (void*)templ); + void *handle = NULL; + + if (cso_hash_iter_is_null(iter)) { + struct cso_fragment_shader *cso = MALLOC(sizeof(struct cso_fragment_shader)); + + cso->state = *templ; + cso->data = ctx->pipe->create_fs_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_fs_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_FRAGMENT_SHADER, cso); + handle = cso->data; + } + else { + handle = ((struct cso_fragment_shader *)cso_hash_iter_data(iter))->data; + } + + if (ctx->fragment_shader != handle) { + ctx->fragment_shader = handle; + ctx->pipe->bind_fs_state(ctx->pipe, handle); + } +} + +void cso_set_vertex_shader(struct cso_context *ctx, + 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(ctx->cache, + hash_key, CSO_VERTEX_SHADER, + (void*)templ); + void *handle = NULL; + + if (cso_hash_iter_is_null(iter)) { + struct cso_vertex_shader *cso = MALLOC(sizeof(struct cso_vertex_shader)); + + cso->state = *templ; + cso->data = ctx->pipe->create_vs_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_vs_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_VERTEX_SHADER, cso); + handle = cso->data; + } + else { + handle = ((struct cso_vertex_shader *)cso_hash_iter_data(iter))->data; + } + + if (ctx->vertex_shader != handle) { + ctx->vertex_shader = handle; + ctx->pipe->bind_vs_state(ctx->pipe, handle); + } +} |