Files
escape-the-dawn/Escape-the-Dawn/Renderer/Renderer.cpp
T
Tobias Dahl 40d0db4dc2 WIP
2014-03-03 20:22:47 +01:00

80 lines
1.5 KiB
C++

#include "Renderer.h"
Renderer::Renderer()
{
}
void Renderer::Draw()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glClearColor(1.0f, 1.0f, 0.0f, 1.0f);
glUseProgram(shaderProgram);
}
void Renderer::DrawText()
{
//DrawShitInTextForm
}
void Renderer::AddTextToDraw()
{
//Add to draw shit vector
}
void Renderer::AddObjectToDraw()
{
}
//Fixa med shaders, lägga in alla verts osv.
GLuint Renderer::CompileShader(GLenum shaderType, std::string fileName)
{
std::string shaderFile;
std::ifstream in(fileName, std::ios::in);
if(!in)
{
LOG_ERROR("Error: Failed to open shader file %s", fileName);
return 0;
}
in.seekg(0, std::ios::end);
shaderFile.resize((int)in.tellg());
in.seekg(0, std::ios::beg);
in.read(&shaderFile[0], shaderFile.size());
in.close();
GLuint shader = glCreateShader(shaderType); //GL_VERTEX_SHADER, GL_FRAGMENT_SHADER
if(GLERROR("glCreateShader"))
return 0;
const GLchar* shaderFiles = shaderFile.c_str();
const GLint length = shaderFile.length();
glShaderSource(shader, 1, &shaderFiles, &length);
if(GLERROR("glShaderSource"))
return 0;
glCompileShader(shader);
GLint compileStatus;
glGetShaderiv(shader, GL_COMPILE_STATUS, &compileStatus);
if(compileStatus != GL_TRUE)
{
GLsizei infoLogLength;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLogLength);
GLchar* infolog = new GLchar[infoLogLength];
glGetShaderInfoLog(shader, infoLogLength, &infoLogLength, infolog);
std::cerr << infolog << std::endl;
delete[] infolog;
}
if(GLERROR("glCompileShader"))
return 0;
return shader;
}