86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
#pragma once
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#include <string>
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#include <vector>
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#include <memory>
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#include <GL/glew.h>
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#include <functional>
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#include "glm/gtc/type_ptr.hpp"
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#include "Light.h"
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#include "SceneContext.h"
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#include "Loader.h"
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#include "Texture.h"
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enum ShaderFlags
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{
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NO_UNIFORM = 0,
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KD_FLAG = 1,
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KA_FLAG = 2,
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KS_FLAG = 4,
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SHINE_FLAG = 8,
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MVP_FLAG = 16,
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NORMAL_MAT_FLAG = 32,
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MODELVIEW_FLAG = 64,
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LIGHTS_FLAG = 128,
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MODEL_MATRIX_FLAG = 256,
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SKYBOX_TEX_FLAG = 512,
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};
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class Shader
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{
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public:
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Shader() {};
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Shader(const std::string vtx_name, const std::string frag_name);
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~Shader();
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int uniformFlags = KD_FLAG | KA_FLAG | KS_FLAG | SHINE_FLAG | MVP_FLAG | NORMAL_MAT_FLAG | MODELVIEW_FLAG | LIGHTS_FLAG;
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Light::LightType light_type = Light::LightType::BASE;
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Material mat;
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void enable();
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void disable();
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int addSubroutine(GLenum shadertype, const std::string uniformName);
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void enableSubroutine(const std::string uniformName);
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public:
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void setUniforms(SceneContext ctx);
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void addUniform(const std::string name, glm::vec3 data)
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{
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_program.use(); glUniform3fv(_program.addUniform(name), 1, glm::value_ptr(data));
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}
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void addUniform(const std::string name, int data)
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{
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_program.use(); glUniform1i(_program.addUniform(name), data);
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}
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void addUniform(const std::string name, float data)
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{
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_program.use(); glUniform1fv(_program.addUniform(name), 1, &data);
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}
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void addUniform(const std::string name, glm::mat4x4 &data)
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{
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_program.use(); glUniformMatrix4fv(_program.addUniform(name), 1, GL_FALSE, glm::value_ptr(data));
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}
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void applyTextureMaterial(Texture &tex)
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{
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if (mat.enabled)
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{
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addUniform("Ka", tex.mat.ka);
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addUniform("Kd", tex.mat.kd);
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addUniform("Ks", tex.mat.ks);
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}
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}
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private:
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void setMaterial(SceneContext ctx);
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void setCamera(SceneContext ctx);
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void setLights(SceneContext ctx);
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ShaderProgram _program;
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}; |