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https://github.com/RetroDECK/Supermodel.git
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137 lines
3.1 KiB
C++
137 lines
3.1 KiB
C++
#ifndef _R3DSHADER_H_
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#define _R3DSHADER_H_
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#include <GL/glew.h>
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#include "Util/NewConfig.h"
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#include "Model.h"
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#include <map>
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#include <string>
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namespace New3D {
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class R3DShader
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{
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public:
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R3DShader(const Util::Config::Node &config);
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bool LoadShader (const char* vertexShader = nullptr, const char* fragmentShader = nullptr);
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void UnloadShader ();
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void SetMeshUniforms (const Mesh* m);
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void SetModelStates (const Model* model);
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void SetViewportUniforms (const Viewport *vp);
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void Start ();
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void SetShader (bool enable = true);
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GLint GetVertexAttribPos (const std::string& attrib);
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void DiscardAlpha (bool discard); // use to remove alpha from texture alpha only polys for 1st pass
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void SetLayer (Layer layer);
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private:
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void PrintShaderResult(GLuint shader);
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void PrintProgramResult(GLuint program);
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// run-time config
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const Util::Config::Node &m_config;
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// shader IDs
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GLuint m_shaderProgram;
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GLuint m_vertexShader;
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GLuint m_geoShader;
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GLuint m_fragmentShader;
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// mesh uniform locations
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GLint m_locTextureBank[2]; // 2 banks
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GLint m_locTexture1Enabled; // base texture
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GLint m_locTexture2Enabled; // micro texture
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GLint m_locTexturePage;
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GLint m_locTextureAlpha;
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GLint m_locAlphaTest;
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GLint m_locMicroTexMinLOD;
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GLint m_locMicroTexID;
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GLint m_locBaseTexInfo;
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GLint m_locBaseTexType;
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GLint m_locTextureInverted;
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GLint m_locTexWrapMode;
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GLint m_locTranslatorMap;
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GLint m_locColourLayer;
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GLint m_locPolyAlpha;
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// cached mesh values
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bool m_textured1;
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bool m_textured2;
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bool m_textureAlpha; // use alpha in texture
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bool m_alphaTest; // discard fragment based on alpha (ogl does this with fixed function)
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float m_fogIntensity;
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bool m_lightEnabled;
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float m_shininess;
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float m_specularValue;
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bool m_specularEnabled;
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bool m_fixedShading;
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bool m_smoothShading;
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bool m_translatorMap;
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bool m_polyAlpha;
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int m_texturePage;
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bool m_layered;
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bool m_noLosReturn;
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float m_microTexMinLOD;
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int m_microTexID;
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int m_baseTexInfo[4];
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int m_baseTexType;
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int m_texWrapMode[2];
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bool m_textureInverted;
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// cached model values
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float m_modelScale;
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float m_nodeAlpha;
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int m_transX;
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int m_transY;
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int m_transPage;
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// are our cache values dirty
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bool m_dirtyMesh;
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bool m_dirtyModel;
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// viewport uniform locations
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GLint m_locFogIntensity;
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GLint m_locFogDensity;
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GLint m_locFogStart;
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GLint m_locFogColour;
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GLint m_locFogAttenuation;
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GLint m_locFogAmbient;
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GLint m_locProjMat;
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// lighting / other
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GLint m_locLighting;
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GLint m_locLightEnabled;
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GLint m_locSunClamp;
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GLint m_locIntensityClamp;
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GLint m_locShininess;
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GLint m_locSpecularValue;
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GLint m_locSpecularEnabled;
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GLint m_locFixedShading;
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GLint m_locSmoothShading;
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GLint m_locSpotEllipse;
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GLint m_locSpotRange;
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GLint m_locSpotColor;
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GLint m_locSpotFogColor;
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// model uniforms
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GLint m_locModelScale;
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GLint m_locNodeAlpha;
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GLint m_locModelMat;
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// global uniforms
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GLint m_locHardwareStep;
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GLint m_locDiscardAlpha;
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// vertex attribute position cache
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std::map<std::string, GLint> m_vertexLocCache;
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};
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} // New3D
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#endif |