src/gallium/drivers/swr/rasterizer/jitter/blend_jit.h

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  23 * @file blend_jit.h
  24 *
  25 * @brief Definition of the blend jitter
  26 *
  27 * Notes:
  28 *
  29 ******************************************************************************/
  30 #pragma once
  31
  32 #include "common/formats.h"
  33 #include "core/state.h"
  34
  35 struct RENDER_TARGET_BLEND_COMPILE_STATE
  36 {
  37     bool blendEnable;
  38     bool logicOpEnable;
  39     SWR_BLEND_FACTOR sourceAlphaBlendFactor;
  40     SWR_BLEND_FACTOR destAlphaBlendFactor;
  41     SWR_BLEND_FACTOR sourceBlendFactor;
  42     SWR_BLEND_FACTOR destBlendFactor;
  43     SWR_BLEND_OP colorBlendFunc;
  44     SWR_BLEND_OP alphaBlendFunc;
  45     SWR_LOGIC_OP logicOpFunc;
  46 };
  47
  48 enum ALPHA_TEST_FORMAT
  49 {
  50     ALPHA_TEST_UNORM8,
  51     ALPHA_TEST_FLOAT32
  52 };
  53
  54 //////////////////////////////////////////////////////////////////////////
  55 /// BLEND_DESC
  56 //////////////////////////////////////////////////////////////////////////
  57 struct BLEND_DESC
  58 {
  59     union
  60     {
  61         struct
  62         {
  63             uint32_t            alphaTestEnable: 1;
  64             uint32_t            independentAlphaBlendEnable: 1;
  65             uint32_t            alphaToCoverageEnable: 1;
  66             uint32_t            oMaskEnable:1;
  67             uint32_t            inputCoverageEnable:1;
  68             uint32_t            sampleMaskEnable:1;
  69             uint32_t            numSamples:5;
  70             uint32_t            _reserved : 21;
  71         };
  72         uint32_t bits;
  73     };
  74 };
  75 #define BLEND_ENABLE_MASK 0x3D // a2c | oMaskEnable | inputCoverageEnable | sampleMaskEnable
  76 //////////////////////////////////////////////////////////////////////////
  77 /// State required for blend jit
  78 //////////////////////////////////////////////////////////////////////////
  79 struct BLEND_COMPILE_STATE
  80 {
  81     SWR_FORMAT format;          // format of render target being blended
  82     RENDER_TARGET_BLEND_COMPILE_STATE blendState;
  83     BLEND_DESC desc;
  84
  85     SWR_ZFUNCTION alphaTestFunction;
  86     ALPHA_TEST_FORMAT alphaTestFormat;
  87
  88     bool operator==(const BLEND_COMPILE_STATE& other) const
  89     {
  90         return memcmp(this, &other, sizeof(BLEND_COMPILE_STATE)) == 0;
  91     }
  92 };