Method QueueCalculateMathOp

renderdoc/driver/gl/gl_shaderdebug.cpp:1279–1373

  }

  virtual bool QueueCalculateMathOp(rdcspv::GLSLstd450 op,
                                    const rdcarray<ShaderVariable> &params) override
  {
    CHECK_DEVICE_THREAD();
    RDCASSERT(params.size() <= 3, params.size());

    RDCASSERTEQUAL(params[0].type, VarType::Float);

    GLMarkerRegion markerRegion("QueueCalculateMathOp");

    m_pDriver->GetReplay()->UseReplayContext();

    GLRenderState rs;
    rs.FetchState(m_pDriver);

    RDCCOMPILE_ASSERT(SPV_OpSin == (int)rdcspv::GLSLstd450::Sin, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpCos == (int)rdcspv::GLSLstd450::Cos, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpTan == (int)rdcspv::GLSLstd450::Tan, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpAsin == (int)rdcspv::GLSLstd450::Asin, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpAcos == (int)rdcspv::GLSLstd450::Acos, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpAtan == (int)rdcspv::GLSLstd450::Atan, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpSinh == (int)rdcspv::GLSLstd450::Sinh, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpCosh == (int)rdcspv::GLSLstd450::Cosh, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpTanh == (int)rdcspv::GLSLstd450::Tanh, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpAsinh == (int)rdcspv::GLSLstd450::Asinh,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpAcosh == (int)rdcspv::GLSLstd450::Acosh,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpAtanh == (int)rdcspv::GLSLstd450::Atanh,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpExp == (int)rdcspv::GLSLstd450::Exp, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpLog == (int)rdcspv::GLSLstd450::Log, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpExp2 == (int)rdcspv::GLSLstd450::Exp2, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpLog2 == (int)rdcspv::GLSLstd450::Log2, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpSqrt == (int)rdcspv::GLSLstd450::Sqrt, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpInverseSqrt == (int)rdcspv::GLSLstd450::InverseSqrt,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpNormalize == (int)rdcspv::GLSLstd450::Normalize,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpAtan2 == (int)rdcspv::GLSLstd450::Atan2,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpPow == (int)rdcspv::GLSLstd450::Pow, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpFma == (int)rdcspv::GLSLstd450::Fma, "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpLength == (int)rdcspv::GLSLstd450::Length,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpDistance == (int)rdcspv::GLSLstd450::Distance,
                      "Shader defines are mismatched");
    RDCCOMPILE_ASSERT(SPV_OpRefract == (int)rdcspv::GLSLstd450::Refract,
                      "Shader defines are mismatched");

    GLuint mathProg = m_pDriver->GetReplay()->GetShaderDebugMathProg();

    GL.glUniform1i(GL.glGetUniformLocation(mathProg, "outputs"), 0);

    if(m_MathOffset >= m_MathBufferSize || m_MathBuffer == 0)
    {
      m_MathBufferSize = m_MathBufferSize * 2 + 1024 * mathOpResultByteSize;