76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
#include "Shader.h"
|
|
|
|
Shader::Shader(const char* vertexCode, const char* fragmentCode) {
|
|
Id vertex, fragment;
|
|
int success;
|
|
char infoLog[512];
|
|
|
|
vertex = glCreateShader(GL_VERTEX_SHADER);
|
|
glShaderSource(vertex, 1, &vertexCode, NULL);
|
|
glCompileShader(vertex);
|
|
glGetShaderiv(vertex, GL_COMPILE_STATUS, &success);
|
|
if (!success) {
|
|
glGetShaderInfoLog(vertex, 512, NULL, infoLog);
|
|
std::cerr << "Vertex shader failed compilation\n" << infoLog << std::endl;
|
|
}
|
|
|
|
fragment = glCreateShader(GL_FRAGMENT_SHADER);
|
|
glShaderSource(fragment, 1, &fragmentCode, NULL);
|
|
glCompileShader(fragment);
|
|
glGetShaderiv(fragment, GL_COMPILE_STATUS, &success);
|
|
if (!success) {
|
|
glGetShaderInfoLog(fragment, 512, NULL, infoLog);
|
|
std::cerr << "Fragment shader failed compilation\n" << infoLog << std::endl;
|
|
}
|
|
|
|
id = glCreateProgram();
|
|
glAttachShader(id, vertex);
|
|
glAttachShader(id, fragment);
|
|
glLinkProgram(id);
|
|
glGetProgramiv(id, GL_LINK_STATUS, &success);
|
|
if(!success) {
|
|
glGetProgramInfoLog(id, 512, NULL, infoLog);
|
|
std::cerr << "Shader program linking failed\n" << infoLog << std::endl;
|
|
}
|
|
|
|
glDeleteShader(vertex);
|
|
glDeleteShader(fragment);
|
|
}
|
|
|
|
void Shader::Use() {
|
|
glUseProgram(id);
|
|
}
|
|
|
|
void Shader::UpdateView(Matrix view) {
|
|
glUniformMatrix4fv(glGetUniformLocation(id, "VIEW"), 1, GL_FALSE, glm::value_ptr(view));
|
|
}
|
|
|
|
void Shader::UpdateModel(Matrix model) {
|
|
glUniformMatrix4fv(glGetUniformLocation(id, "MODEL"), 1, GL_FALSE, glm::value_ptr(model));
|
|
}
|
|
|
|
void Shader::UpdateProjection(Matrix projection) {
|
|
glUniformMatrix4fv(glGetUniformLocation(id, "PROJECTION"), 1, GL_FALSE, glm::value_ptr(projection));
|
|
}
|
|
|
|
void Shader::UpdateColor(bool usesColor) {
|
|
glUniform1i(glGetUniformLocation(id, "material.usesColor"), (int) usesColor);
|
|
}
|
|
|
|
void Shader::UpdateColor(bool usesColor, Color color) {
|
|
glUniform1i(glGetUniformLocation(id, "material.usesColor"), (int) usesColor);
|
|
glUniform3f(glGetUniformLocation(id, "material.color"), color.r, color.g, color.b);
|
|
}
|
|
|
|
void Shader::UpdateTex(bool usesTex) {
|
|
glUniform1i(glGetUniformLocation(id, "material.usesTex"), (int) usesTex);
|
|
}
|
|
void Shader::UpdateTex(bool usesTex, Texture tex) {
|
|
glUniform1i(glGetUniformLocation(id, "material.usesTex"), (int) usesTex);
|
|
glBindTexture(GL_TEXTURE_2D, tex.id);
|
|
}
|
|
|
|
Name Shader::GetName() const {
|
|
return "Unnamed Shader";
|
|
}
|