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#include "shader.h"
#include <array>
#include <stdexcept>
#include <string>
Shader::ShaderRef
Shader::compile() const
{
ShaderRef shader {type};
glShaderSource(shader, 1, &text, &len);
glCompileShader(shader);
CheckShaderError(shader, GL_COMPILE_STATUS, false, "Error compiling shader!");
return shader;
}
void
Shader::CheckShaderError(GLuint shader, GLuint flag, bool isProgram, std::string_view errorMessage)
{
GLint success = 0;
if (isProgram) {
glGetProgramiv(shader, flag, &success);
}
else {
glGetShaderiv(shader, flag, &success);
}
if (success == GL_FALSE) {
std::array<GLchar, 1024> error {};
if (isProgram) {
glGetProgramInfoLog(shader, error.size(), nullptr, error.data());
}
else {
glGetShaderInfoLog(shader, error.size(), nullptr, error.data());
}
throw std::runtime_error {std::string {errorMessage} + ": '" + std::string {error.data(), error.size()} + "'"};
}
}
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