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#pragma once
#include <string>
#include <exception>
#include "OpenGL.h"
#include "../Utilities/UtilMacros.h"
#include "../Utilities/Assert.h"
#include "../Debug/Log.h"
#include "RenderCommands.h"
// 着色器程序
class Shader
{
public:
Shader()/*throw(ShaderCompileExecption)*/;
Shader(std::string& glsllShader)/*throw(ShaderCompileExecption)*/;
Shader(const char* vert, const char* frag)/*throw(ShaderCompileExecption)*/;
~Shader();
void ReCompile(std::string& vert, std::string frag)/*throw(ShaderCompileExecption)*/;
void ReCompileVert(std::string& vert)/*throw(ShaderCompileExecption)*/;
void ReCompileFrag(std::string frag)/*throw(ShaderCompileExecption)*/;
bool IsValid();
void ExecuteCommand();
GET(GLint, ID, m_ProgramID);
private:
void CompileProgram(const char* vert, const char* frag, bool keepSrc = false);
RenderCommandGroup m_Commands; // 渲染前的状态设置
GLint m_ProgramID;
GLint m_FragID;
GLint m_VertID;
};
class ShaderCompileExecption : public std::exception
{
public:
ShaderCompileExecption(const char* what)
: std::exception(what)
{
}
};
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