src/gallium/drivers/llvmpipe/lp_state_fs.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 VMware, Inc.
   4  * All Rights Reserved.
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   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
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  26  **************************************************************************/
  27
  28
  29 #ifndef LP_STATE_FS_H_
  30 #define LP_STATE_FS_H_
  31
  32
  33 #include "pipe/p_compiler.h"
  34 #include "pipe/p_state.h"
  35 #include "tgsi/tgsi_scan.h" /* for tgsi_shader_info */
  36 #include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
  37
  38
  39 struct tgsi_token;
  40 struct lp_fragment_shader;
  41
  42
  43 /** Indexes into jit_function[] array */
  44 #define RAST_WHOLE 0
  45 #define RAST_EDGE_TEST 1
  46
  47
  48 struct lp_fragment_shader_variant_key
  49 {
  50    struct pipe_depth_state depth;
  51    struct pipe_stencil_state stencil[2];
  52    struct pipe_alpha_state alpha;
  53    struct pipe_blend_state blend;
  54
  55    unsigned nr_cbufs:8;
  56    unsigned nr_samplers:8;      /* actually derivable from just the shader */
  57    unsigned flatshade:1;
  58    unsigned occlusion_count:1;
  59
  60    enum pipe_format zsbuf_format;
  61    enum pipe_format cbuf_format[PIPE_MAX_COLOR_BUFS];
  62
  63    struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
  64 };
  65
  66 struct lp_fs_variant_list_item
  67 {
  68    struct lp_fragment_shader_variant *base;
  69    struct lp_fs_variant_list_item *next, *prev;
  70 };
  71
  72 struct lp_fragment_shader_variant
  73 {
  74    struct lp_fragment_shader_variant_key key;
  75
  76    boolean opaque;
  77
  78    LLVMValueRef function[2];
  79
  80    lp_jit_frag_func jit_function[2];
  81
  82    struct lp_fs_variant_list_item list_item_global, list_item_local;
  83    struct lp_fragment_shader *shader;
  84
  85    /* For debugging/profiling purposes */
  86    unsigned no;
  87 };
  88
  89
  90 /** Subclass of pipe_shader_state */
  91 struct lp_fragment_shader
  92 {
  93    struct pipe_shader_state base;
  94
  95    struct tgsi_shader_info info;
  96
  97    struct lp_fs_variant_list_item variants;
  98
  99    /* For debugging/profiling purposes */
 100    unsigned variant_key_size;
 101    unsigned no;
 102    unsigned variants_created;
 103    unsigned variants_cached;
 104 };
 105
 106
 107 void
 108 lp_debug_fs_variant(const struct lp_fragment_shader_variant *variant);
 109
 110
 111 #endif /* LP_STATE_FS_H_ */