1 files changed, 105 insertions, 0 deletions
diff --git a/KaplaDemo/samples/sampleViewer3/ShaderShadow.h b/KaplaDemo/samples/sampleViewer3/ShaderShadow.h
new file mode 100644
index 00000000..2156c0d7
--- /dev/null
+++ b/KaplaDemo/samples/sampleViewer3/ShaderShadow.h
@@ -0,0 +1,105 @@
+#ifndef SHADER_SHADOW_DIFFUSE_H
+#define SHADER_SHADOW_DIFFUSE_H
+
+//#define USE_OPTIX 1
+#include "Shader.h"
+#include <string>
+class ShadowMap;
+
+class ShaderShadow;
+class ShaderShadow : public Shader
+{
+public:
+	// RENDER_DEPTH is for shadow map computation
+	// RENDER_COLOR is for the usual rendering
+	// RENDER_DEPTH_NORMAL is for SSAO
+	enum RenderMode{RENDER_DEPTH, RENDER_COLOR, RENDER_DEPTH_NORMAL};
+	static RenderMode renderMode;
+	static float hdrScale;
+	static GLuint skyBoxTex;
+
+	enum VS_MODE{VS_DEFAULT, VS_4BONES, VS_8BONES, VS_INSTANCE, VS_TEXINSTANCE, VS_DEFAULT_FOR_3D_TEX, VS_FILE,VS_CROSSHAIR};
+	enum PS_MODE{PS_WHITE, PS_SHADE, PS_SHADE3D, PS_FILE, PS_NORMAL, PS_CROSSHAIR};
+	enum SHADER3D_CHOICES{SAND_STONE, WHITE_MARBLE, GRAYVEIN_MARBLE, BLUEVEIN_MARBLE, GREEN_MARBLE, GRAY_MARBLE, RED_GRANITE, YELLOW_GRANITE, WOOD, COMBINE};
+
+	ShaderShadow(VS_MODE vsMode = VS_DEFAULT, PS_MODE psMode = PS_SHADE, SHADER3D_CHOICES shade3D = GRAY_MARBLE);
+	~ShaderShadow() {};
+
+	bool init();
+
+	void setSpotLight(int nr, const PxVec3 &pos, PxVec3 &dir, float decayBegin = 0.98f, float decayEnd = 0.997f);
+	void setBackLightDir(const PxVec3 &dir) { mBackLightDir = dir; }
+
+	void updateCamera(float* modelView, float* proj);
+
+	void setShadowMap(int nr, ShadowMap *shadowMap) { mShadowMaps[nr] = shadowMap; }
+	void setNumShadows(int num) { mNumShadows = num; }
+	void setShowReflection(bool show) { mShowReflection = show; }
+	bool getShowReflection() const {return mShowReflection;}
+
+	void setReflectionTexId(unsigned int texId) { mReflectionTexId = texId; }
+
+	virtual void activate(const ShaderMaterial &mat);
+	virtual void deactivate();
+
+	void setShadowAmbient(float sa);
+	
+	// For fast shader debugging
+	bool forceLoadShaderFromFile(VS_MODE vsm, PS_MODE psm, const char* vsName = NULL, const char* psName = NULL);
+
+	SHADER3D_CHOICES getMyShade3DChoice() {return myShade3DChoice;}
+
+	PxVec3 getDustColor() { return  dustColor; }
+
+	virtual bool setUniform(const char* name, const PxMat33& value);
+	virtual bool setUniform(const char* name, const PxTransform& value);
+	virtual bool setUniform(const char *name, PxU32 size, const PxVec3* value);
+
+	virtual bool setUniform1(const char* name, float val);
+	virtual bool setUniform2(const char* name, float val0, float val1);
+	virtual bool setUniform3(const char* name, float val0, float val1, float val2);
+	virtual bool setUniform4(const char* name, float val0, float val1, float val2, float val3);
+	virtual bool setUniformfv(const GLchar *name, GLfloat *v, int elementSize, int count=1);
+
+	virtual bool setUniform(const char* name, float value);
+	virtual bool setUniform(const char* name, int value);
+	virtual bool setUniformMatrix4fv(const GLchar *name, const GLfloat *m, bool transpose);
+
+	virtual GLint getUniformCommon(const char* name);
+
+	virtual	bool setAttribute(const char* name, PxU32 size, PxU32 stride, GLenum type, void* data);
+
+private:
+	static const int mNumLights = 1;
+
+	ShadowMap *mShadowMaps[mNumLights];
+
+	PxVec3 mSpotLightPos[mNumLights];
+	PxVec3 mSpotLightDir[mNumLights];
+
+	float mSpotLightCosineDecayBegin[mNumLights];
+	float mSpotLightCosineDecayEnd[mNumLights];
+
+	GLuint mReflectionTexId;
+
+	PxVec3 mBackLightDir;
+	int mNumShadows;
+	bool mShowReflection;
+
+	float mCamModelView[16];
+	float mCamProj[16];
+	float shadowAmbient;
+	PxVec3 ambientColor;
+	VS_MODE vsMode;
+	PS_MODE psMode;
+
+	std::string fragmentShader3DComposite;
+	SHADER3D_CHOICES myShade3DChoice;
+	PxVec3 dustColor;
+
+	// For shadow map and SSAO
+	ShaderShadow* whiteShader;
+	ShaderShadow* normalShader;
+};
+
+#endif
+\ No newline at end of file