bool Shader::init(const char* vertexPath, const char* fragmentPath)
{
//create a vertex shader
GLuint vertexShader = genShader(GL_VERTEX_SHADER, vertexPath);
if (!vertexShader)
{
return false;
}
//create a fragment shader.
GLuint fragmentShader = genShader(GL_FRAGMENT_SHADER, fragmentPath);
if (!fragmentShader)
{
glDeleteShader(vertexShader);
return false;
}
//Link the vertex shader and fragment shader.
GLuint shader[2] = { vertexShader, fragmentShader };
mProgram = linkProgram(shader, 2);
// Delete the shaders as they're linked into our program now and no longer necessery
glDeleteShader(vertexShader);
glDeleteShader(fragmentShader);
return true;
}
Render::Render()
: particleTexture1(0), particleProgram1(0), particleTexture2(0), particleProgram2(0),
particleFrameBuffer(0)
{
particleProgram1 = genProgram
(
0,
genShader(GL_FRAGMENT_SHADER, particleFragmentShader1Source)
);
particleProgram2 = genProgram
(
genShader(GL_VERTEX_SHADER, particleVertexShader2Source),
genShader(GL_FRAGMENT_SHADER, particleFragmentShader2Source)
);
genParticleTexture1();
genParticleTexture2();
genParticleFrameBuffer();
}
