First blood

include/ShaderManager/ShaderManager.h

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+#ifndef SHADER_MANAGER_H_INCLUDED
+#define SHADER_MANAGER_H_INCLUDED
+
+/*
+This code contains shader manager
+*/
+
+#include <stack>
+
+#ifdef TARGET_WIN32
+#include "../OpenGlExt/OpenGlExt.h"
+#endif
+
+#include "include/Utils/Utils.h"
+
+namespace SE
+{
+
+//==============================================
+//=============== CONST AREA ===================
+//==============================================
+
+
+//Global uniforms (must remain same from shader to shader)
+//If you add a new one - put it to SetCurrentShader() too
+const std::string CONST_STRING_TEXTURE_UNIFORM = "Texture";
+const std::string CONST_STRING_NORMALMAP_UNIFORM = "NormalMap";
+const std::string CONST_STRING_SHADOWMAPGLOBAL_UNIFORM = "ShadowMapGlobal";
+const std::string CONST_STRING_SHADOWMAPLOCAL_UNIFORM = "ShadowMapLocal";
+const std::string CONST_STRING_ENV_UNIFORM = "Env";
+const std::string CONST_STRING_NORMALMAPEXISTS_UNIFORM = "NormalMapExists";
+
+const std::string CONST_STRING_LIGHT_POS_UNIFORM = "LightPos";
+const std::string CONST_STRING_LIGHT_DIRECTION_UNIFORM = "LightDirection";
+const std::string CONST_STRING_LIGHT_COLOR_UNIFORM = "LightColor";
+
+const std::string CONST_STRING_CAMPOS_UNIFORM = "CamPos";
+const std::string CONST_STRING_SHADOWCLAMPVALUE_UNIFORM = "ShadowClampValue";
+
+const std::string CONST_STRING_FOG_BEGIN_DISTANCE_UNIFORM = "FogBeginDistance";
+const std::string CONST_STRING_FOG_END_DISTANCE_UNIFORM = "FogEndDistance";
+const std::string CONST_STRING_FOG_COLOR_UNIFORM = "FogColor";
+
+const std::string CONST_STRING_MATERIAL_COLOR_UNIFORM = "MaterialColor";
+const std::string CONST_STRING_TRANSPARENCY_UNIFORM = "Transparency";
+
+//For Halibut Render
+const std::string CONST_STRING_HALIBUT_PROJECTION_MATRIX_UNIFORM = "ProjectionMatrix";
+
+//Local uniforms (need to be setup before each draw)
+const std::string CONST_STRING_MODELROTATEMATRIX_UNIFORM = "ModelRotateMatrix";
+const std::string CONST_STRING_MODELTRANSLATEVECTOR_UNIFORM = "ModelTranslateVector";
+
+
+//Attributes
+const std::string CONST_STRING_POSITION_ATTRIB = "vPosition";
+const std::string CONST_STRING_TEXCOORD_ATTRIB = "vTexCoord";
+
+const std::string CONST_STRING_NORMAL_ATTRIB = "Normal";
+const std::string CONST_STRING_TANGENT_ATTRIB = "Tangent";
+const std::string CONST_STRING_BINORMAL_ATTRIB = "Binormal";
+
+//======================================
+
+class TShaderManager; //see below
+
+
+
+class TShaderResource
+{
+protected:
+	cardinal ShaderProgram;
+
+	std::map<std::string,cardinal,std::less<std::string> >  UniformList;
+	std::map<std::string,cardinal,std::less<std::string> >  AttribList;
+
+public:
+	TShaderResource();
+	~TShaderResource();
+
+	bool CompileShader(boost::shared_array<char> vertexCode, boost::shared_array<char> fragmentCode);
+	void FreeShader();
+
+	int GetAttribIndex(const std::string& attribName);
+	int GetUniformIndex(const std::string& uniformName);
+
+	friend void RenderUniform1f(const std::string& uniformName, const float value);
+	friend void RenderUniform3fv(const std::string& uniformName, const float* value);
+	friend void RenderUniform4fv(const std::string& uniformName, const float* value);
+	friend void RenderUniformMatrix3fv(const std::string& uniformName, bool transpose, const float* value);
+	friend void RenderUniformMatrix4fv(const std::string& uniformName, bool transpose, const float* value);
+	friend void RenderUniform1i(const std::string& uniformName,  const int value);
+
+	friend void VertexAttrib2fv(const std::string& attribName, const float* value);
+	friend void VertexAttrib3fv(const std::string& attribName, const float* value);
+	friend void VertexAttribPointer2fv(const std::string& attribName,int stride, const char* pointer);
+	friend void VertexAttribPointer3fv(const std::string& attribName,int stride, const char* pointer);
+	
+	friend void EnableVertexAttribArray(const std::string& attribName);
+	friend void DisableVertexAttribArray(const std::string& attribName);
+	
+
+	#ifdef TARGET_WIN32
+	friend void RefreshAttribBuffer2fv(const std::string& attribName, std::map<std::string, std::vector<vec2> >& vec2CoordArr);
+	friend void RefreshAttribBuffer3fv(const std::string& attribName, std::map<std::string, std::vector<vec3> >& vec3CoordArr);
+	#endif
+	
+	friend class TShaderManager;
+
+};
+
+class TShaderManager : public TSerializeInterface
+{
+protected:
+	std::map<std::string, std::shared_ptr<TShaderResource>, std::less<std::string> >  ShaderList;
+	
+	std::stack<std::string> ShaderNameStack;
+	
+	//To be called only by SalmonRander/HalibutRender!!!
+	void PushShader(const std::string& shaderName);
+	void PopShader();
+public:
+	TShaderManager() {}
+	~TShaderManager();
+	std::shared_ptr<TShaderResource> GetCurrentShader();
+	
+	virtual void Serialize(boost::property_tree::ptree& propertyTree);
+
+	bool AddShader(const std::string& shaderName, const std::string& vertexFileName, const std::string& fragmentFileName);
+
+	void Clear();
+
+	friend class TRendererInterface;
+
+};
+
+//Dont forget to make them friend to TShaderResource 
+void RenderUniform1f(const std::string& uniformName, const float value);
+void RenderUniform3fv(const std::string& uniformName, const float* value);
+void RenderUniform4fv(const std::string& uniformName, const float* value);
+void RenderUniformMatrix3fv(const std::string& uniformName, bool transpose, const float* value);
+void RenderUniformMatrix4fv(const std::string& uniformName, bool transpose, const float* value);
+void RenderUniform1i(const std::string& uniformName, const int value);
+
+void VertexAttrib2fv(const std::string& attribName, const float* value);
+void VertexAttrib3fv(const std::string& attribName, const float* value);
+void VertexAttribPointer2fv(const std::string& attribName, int stride, const char* pointer);
+void VertexAttribPointer3fv(const std::string& attribName, int stride, const char* pointer);
+
+void EnableVertexAttribArray(const std::string& attribName);
+void DisableVertexAttribArray(const std::string& attribName);
+
+#ifdef TARGET_WIN32
+void RefreshAttribBuffer2fv(const std::string& attribName, std::map<std::string, std::vector<vec2> >& vec2CoordArr);
+void RefreshAttribBuffer3fv(const std::string& attribName, std::map<std::string, std::vector<vec3> >& vec3CoordArr);
+#endif
+
+} //namespace SE
+
+#endif