mirror of
https://github.com/blawar/GLideN64.git
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120 lines
3.6 KiB
C++
120 lines
3.6 KiB
C++
#ifndef GLSL_COMBINER_H
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#define GLSL_COMBINER_H
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#include "gDP.h"
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class ShaderCombiner {
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public:
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ShaderCombiner(Combiner & _color, Combiner & _alpha, const gDPCombine & _combine);
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~ShaderCombiner();
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void update();
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void updateColors(bool _bForce = false);
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void updateFBInfo(bool _bForce = false);
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void updateDepthInfo(bool _bForce = false);
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void updateAlphaTestInfo(bool _bForce = false);
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void updateTextureInfo(bool _bForce = false);
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void updateRenderState(bool _bForce = false);
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void updateLight(bool _bForce = false);
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u64 getMux() const {return m_combine.mux;}
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bool usesT0() const {return (m_nInputs & ((1<<TEXEL0)|(1<<TEXEL0_ALPHA))) != 0;}
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bool usesT1() const {return (m_nInputs & ((1<<TEXEL1)|(1<<TEXEL1_ALPHA))) != 0;}
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bool usesLOD() const {return (m_nInputs & (1<<LOD_FRACTION)) != 0;}
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bool usesShadeColor() const {return (m_nInputs & ((1<<SHADE)|(1<<SHADE_ALPHA))) != 0;}
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private:
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struct iUniform {GLint loc; int val;};
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struct fUniform {GLint loc; float val;};
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struct fv2Uniform {GLint loc; float val[2];};
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struct iv2Uniform {GLint loc; int val[2];};
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struct fv3Uniform {GLint loc; float val[3];};
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struct fv4Uniform {GLint loc; float val[4];};
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struct UniformLocation
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{
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iUniform uTex0, uTex1, uTlutImage, uZlutImage, uDepthImage,
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uFogMode, uFogUsage, uEnableLod, uEnableAlphaTest,
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uEnableDepth, uEnableDepthCompare, uEnableDepthUpdate,
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uDepthMode, uFb8Bit, uFbFixedAlpha, uRenderState,
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uMaxTile, uTextureDetail, uTexturePersp,
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uAlphaCompareMode, uAlphaDitherMode, uColorDitherMode;
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fUniform uFogMultiplier, uFogOffset, uK4, uK5, uPrimLod, uNoiseTime, uScreenWidth, uScreenHeight,
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uLodXScale, uLodYScale, uMinLod, uDepthTrans, uDepthScale, uAlphaTestValue;
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fv4Uniform uEnvColor, uPrimColor, uFogColor, uCenterColor, uScaleColor;
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fv2Uniform uTexScale, uTexOffset[2], uTexMask[2],
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uCacheShiftScale[2], uCacheScale[2], uCacheOffset[2];
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fv3Uniform uLightDirection[8], uLightColor[8];
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iv2Uniform uCacheFrameBuffer;
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};
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#ifdef OS_MAC_OS_X
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#define glUniform1i glUniform1iARB
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#define glUniform1f glUniform1fARB
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#define glUniform2f glUniform2fARB
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#define glUniform2i glUniform2iARB
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#define glUniform3fv glUniform3fvARB
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#define glUniform4fv glUniform4fvARB
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#endif
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void _locate_attributes() const;
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void _locateUniforms();
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void _setIUniform(iUniform & _u, int _val, bool _force) {
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if (_force|| _u.val != _val) {
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_u.val = _val;
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glUniform1i(_u.loc, _val);
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}
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}
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void _setFUniform(fUniform & _u, float _val, bool _force) {
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if (_force|| _u.val != _val) {
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_u.val = _val;
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glUniform1f(_u.loc, _val);
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}
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}
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void _setFV2Uniform(fv2Uniform & _u, float _val1, float _val2, bool _force) {
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if (_force|| _u.val[0] != _val1 || _u.val[1] != _val2) {
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_u.val[0] = _val1;
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_u.val[1] = _val2;
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glUniform2f(_u.loc, _val1, _val2);
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}
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}
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void _setIV2Uniform(iv2Uniform & _u, int _val1, int _val2, bool _force) {
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if (_force|| _u.val[0] != _val1 || _u.val[1] != _val2) {
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_u.val[0] = _val1;
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_u.val[1] = _val2;
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glUniform2i(_u.loc, _val1, _val2);
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}
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}
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void _setV3Uniform(fv3Uniform & _u, float * _pVal, bool _force) {
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const size_t szData = sizeof(float)*3;
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if (_force|| memcmp(_u.val, _pVal, szData) > 0) {
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memcpy(_u.val, _pVal, szData);
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glUniform3fv(_u.loc, 1, _pVal);
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}
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}
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void _setV4Uniform(fv4Uniform & _u, float * _pVal, bool _force) {
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const size_t szData = sizeof(float)*4;
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if (_force|| memcmp(_u.val, _pVal, szData) > 0) {
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memcpy(_u.val, _pVal, szData);
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glUniform4fv(_u.loc, 1, _pVal);
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}
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}
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gDPCombine m_combine;
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UniformLocation m_uniforms;
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GLuint m_program;
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int m_nInputs;
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};
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void InitShaderCombiner();
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void DestroyShaderCombiner();
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void SetShadowMapCombiner();
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#endif //GLSL_COMBINER_H
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