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#pragma once
#include "../../Result.hpp"
#include "../../types.hpp"
#include "../../utils.hpp"
#include "ShaderVec.hpp"
#include <vector>
#include <stdexcept>
namespace amalgine
{
class CompiledVertexShader;
class CompiledPixelShader;
class ShaderProgramUsedBeforeBuilt : public std::runtime_error
{
public:
// TODO: Add name to ShaderProgram so we know which shader has issue when
// an exception is thrown?
ShaderProgramUsedBeforeBuilt();
};
class ShaderProgramNonExistingGlobalVariable : public std::runtime_error
{
public:
ShaderProgramNonExistingGlobalVariable(const char *variableName);
};
class ShaderProgram
{
DISABLE_COPY(ShaderProgram)
public:
ShaderProgram();
~ShaderProgram();
bool setVertexShader(CompiledVertexShader *vertexShader);
bool setPixelShader(CompiledPixelShader *pixelShader);
Result<bool> build();
void use();
ShaderProgramGlobalVec3 getGlobalVec3(const char *name);
private:
u32 shaderProgramId;
bool built;
};
}
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