xbmc/rendering/gl/GLShader.h

   1 /*
   2  *  Copyright (C) 2005-2024 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "guilib/Shader.h"
  12
  13 #include <string>
  14
  15 class CGLShader : public Shaders::CGLSLShaderProgram
  16 {
  17 public:
  18   CGLShader(const char* shader, const std::string& prefix);
  19   CGLShader(const char* vshader, const char* fshader, const std::string& prefix);
  20   void OnCompiledAndLinked() override;
  21   bool OnEnabled() override;
  22   void Free();
  23
  24   GLint GetPosLoc() {return m_hPos;}
  25   GLint GetColLoc() {return m_hCol;}
  26   GLint GetCord0Loc() {return m_hCord0;}
  27   GLint GetCord1Loc() {return m_hCord1;}
  28   GLint GetDepthLoc() { return m_hDepth; }
  29   GLint GetUniColLoc() {return m_hUniCol;}
  30   GLint GetModelLoc() {return m_hModel; }
  31   GLint GetMatrixLoc() { return m_hMatrix; }
  32   GLint GetShaderClipLoc() { return m_hShaderClip; }
  33   GLint GetShaderCoordStepLoc() { return m_hCoordStep; }
  34   bool HardwareClipIsPossible() {return m_clipPossible; }
  35   GLfloat GetClipXFactor() {return m_clipXFactor; }
  36   GLfloat GetClipXOffset() {return m_clipXOffset; }
  37   GLfloat GetClipYFactor() {return m_clipYFactor; }
  38   GLfloat GetClipYOffset() {return m_clipYOffset; }
  39
  40 protected:
  41   GLint m_hTex0 = 0;
  42   GLint m_hTex1 = 0;
  43   GLint m_hUniCol = 0;
  44   GLint m_hProj = 0;
  45   GLint m_hModel = 0;
  46   GLint m_hMatrix{0}; // m_hProj * m_hModel
  47   GLint m_hShaderClip{0}; // clipping rect vec4(x1,y1,x2,y2)
  48   GLint m_hCoordStep{0}; // step (1/resolution) for the two textures vec4(t1.x,t1.y,t2.x,t2.y)
  49   GLint m_hPos = 0;
  50   GLint m_hCol = 0;
  51   GLint m_hCord0 = 0;
  52   GLint m_hCord1 = 0;
  53   GLint m_hDepth = 0;
  54
  55   const GLfloat *m_proj = nullptr;
  56   const GLfloat *m_model = nullptr;
  57
  58   bool m_clipPossible = false;
  59   GLfloat m_clipXFactor;
  60   GLfloat m_clipXOffset;
  61   GLfloat m_clipYFactor;
  62   GLfloat m_clipYOffset;
  63 };