54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#include "Shader.h"
|
|
|
|
#include "Exception.h"
|
|
|
|
namespace charcoal
|
|
{
|
|
Shader::Shader(const std::string& source, ShaderType type)
|
|
{
|
|
GLenum gl_shader_type;
|
|
switch (type)
|
|
{
|
|
case VERTEX_SHADER:
|
|
gl_shader_type = GL_VERTEX_SHADER;
|
|
break;
|
|
case FRAGMENT_SHADER:
|
|
gl_shader_type = GL_FRAGMENT_SHADER;
|
|
break;
|
|
default:
|
|
throw "Invalid Shader Type Specified";
|
|
}
|
|
|
|
m_shader = glCreateShader(gl_shader_type);
|
|
|
|
const char* c_str = source.c_str();
|
|
|
|
glShaderSource(m_shader, 1, &c_str, NULL);
|
|
glCompileShader(m_shader);
|
|
|
|
// Make sure that the shader has been compiled successfully
|
|
GLint compiled;
|
|
glGetShaderiv(m_shader, GL_COMPILE_STATUS, &compiled);
|
|
if (compiled != GL_TRUE)
|
|
{
|
|
char buffer[1024];
|
|
GLsizei log_length;
|
|
glGetShaderInfoLog(m_shader, 1023, &log_length, buffer);
|
|
buffer[log_length] = '\0'; // Add null terminator
|
|
OutputDebugString("Error Compiling Shader:\n");
|
|
OutputDebugString(buffer);
|
|
OutputDebugString("\nSource:\n");
|
|
OutputDebugString(source.c_str());
|
|
OutputDebugString("\n");
|
|
m_shader = 0;
|
|
throw EXCEPTION("Error compiling shader.");
|
|
}
|
|
}
|
|
|
|
Shader::~Shader() {}
|
|
|
|
GLuint Shader::get_shader() const
|
|
{
|
|
return m_shader;
|
|
}
|
|
} |