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60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
// Copyright [2023] Krzysztof Rudnicki
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#ifndef BREAKOUT_SHADER_HPP_
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#define BREAKOUT_SHADER_HPP_
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#include <string>
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#include "../dependencies/include/glad/glad.h"
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#include "../dependencies/include/glm/glm/glm.hpp"
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#include "../dependencies/include/glm/glm/gtc/type_ptr.hpp"
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// General purpose shader object. Compiles from file, generates
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// compile/link-time error messages and hosts several utility
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// functions for easy management.
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class Shader {
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public:
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// state
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unsigned int ID;
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// constructor
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Shader() { }
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// sets the current shader as active
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Shader &Use();
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// compiles the shader from given source code
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void Compile(
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const char *vertexSource,
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const char *fragmentSource,
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const char *geometrySource = nullptr);
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// note: geometrysource code is optional
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// utility functions
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void SetFloat(
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const char *name,
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float value,
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bool useShader = false);
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void SetInteger(const char *name,
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int value,
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bool useShader = false);
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void SetVector2f(const char *name,
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float x, float y, bool useShader = false);
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void SetVector2f(
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const char *name, const glm::vec2 &value, bool useShader = false);
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void SetVector3f(
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const char *name, float x, float y, float z, bool useShader = false);
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void SetVector3f(
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const char *name, const glm::vec3 &value, bool useShader = false);
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void SetVector4f(
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const char *name,
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float x, float y, float z, float w,
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bool useShader = false);
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void SetVector4f(
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const char *name, const glm::vec4 &value, bool useShader = false);
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void SetMatrix4(
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const char *name, const glm::mat4 &matrix, bool useShader = false);
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private:
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// checks if compilation or linking failed and if so, print the error logs
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void checkCompileErrors(unsigned int object, std::string type);
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};
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#endif // BREAKOUT_SHADER_HPP_
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