src/gallium/drivers/llvmpipe/lp_state_fs.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  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,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  *
  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.
  25  *
  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    enum pipe_format zsbuf_format;
  55    unsigned nr_cbufs:8;
  56    unsigned flatshade:1;
  57    unsigned scissor:1;
  58    unsigned occlusion_count:1;
  59
  60    struct {
  61       ubyte colormask;
  62    } cbuf_blend[PIPE_MAX_COLOR_BUFS];
  63
  64    struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
  65 };
  66
  67
  68 struct lp_fragment_shader_variant
  69 {
  70    struct lp_fragment_shader_variant_key key;
  71
  72    boolean opaque;
  73
  74    LLVMValueRef function[2];
  75
  76    lp_jit_frag_func jit_function[2];
  77
  78    struct lp_fragment_shader_variant *next;
  79 };
  80
  81
  82 /** Subclass of pipe_shader_state */
  83 struct lp_fragment_shader
  84 {
  85    struct pipe_shader_state base;
  86
  87    struct tgsi_shader_info info;
  88
  89    struct lp_fragment_shader_variant *variants;
  90 };
  91
  92
  93 #endif /* LP_STATE_FS_H_ */