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/**************************************************************************
*
* Copyright 2010 VMware, Inc.
* 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 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
* THE COPYRIGHT HOLDERS, AUTHORS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
**************************************************************************/
#ifndef LP_STATE_FS_H_
#define LP_STATE_FS_H_
#include "pipe/p_compiler.h"
#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h" /* for tgsi_shader_info */
#include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
struct tgsi_token;
struct lp_fragment_shader;
/** Indexes into jit_function[] array */
#define RAST_WHOLE 0
#define RAST_EDGE_TEST 1
struct lp_fragment_shader_variant_key
{
struct pipe_depth_state depth;
struct pipe_stencil_state stencil[2];
struct pipe_alpha_state alpha;
struct pipe_blend_state blend;
unsigned nr_cbufs:8;
unsigned nr_samplers:8; /* actually derivable from just the shader */
unsigned flatshade:1;
unsigned occlusion_count:1;
enum pipe_format zsbuf_format;
enum pipe_format cbuf_format[PIPE_MAX_COLOR_BUFS];
struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
};
struct lp_fs_variant_list_item
{
struct lp_fragment_shader_variant *base;
struct lp_fs_variant_list_item *next, *prev;
};
struct lp_fragment_shader_variant
{
struct lp_fragment_shader_variant_key key;
boolean opaque;
LLVMValueRef function[2];
lp_jit_frag_func jit_function[2];
struct lp_fs_variant_list_item list_item_global, list_item_local;
struct lp_fragment_shader *shader;
/* For debugging/profiling purposes */
unsigned no;
};
/** Subclass of pipe_shader_state */
struct lp_fragment_shader
{
struct pipe_shader_state base;
struct tgsi_shader_info info;
struct lp_fs_variant_list_item variants;
/* For debugging/profiling purposes */
unsigned variant_key_size;
unsigned no;
unsigned variants_created;
unsigned variants_cached;
};
void
lp_debug_fs_variant(const struct lp_fragment_shader_variant *variant);
#endif /* LP_STATE_FS_H_ */
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