C++ (Cpp) GL_CreateProgram Examples

Example #1

File: gl_rmain.c Project: phoboslab/Quakespasm-Rift

/*
=============
GLSLGamma_CreateShaders
=============
*/
static void GLSLGamma_CreateShaders (void)
{
	const GLchar *vertSource = \
		"#version 110\n"
		"\n"
		"void main(void) {\n"
		"	gl_Position = vec4(gl_Vertex.xy, 0.0, 1.0);\n"
		"	gl_TexCoord[0] = gl_MultiTexCoord0;\n"
		"}\n";

	const GLchar *fragSource = \
		"#version 110\n"
		"\n"
		"uniform sampler2D GammaTexture;\n"
		"uniform float GammaValue;\n"
		"uniform float ContrastValue;\n"
		"\n"
		"void main(void) {\n"
		"	  vec4 frag = texture2D(GammaTexture, gl_TexCoord[0].xy);\n"
		"	  frag.rgb = frag.rgb * ContrastValue;\n"
		"	  gl_FragColor = vec4(pow(frag.rgb, vec3(GammaValue)), 1.0);\n"
		"}\n";

	if (!gl_glsl_gamma_able)
		return;

	r_gamma_program = GL_CreateProgram (vertSource, fragSource, 0, NULL);

// get uniform locations
	gammaLoc = GL_GetUniformLocation (&r_gamma_program, "GammaValue");
	contrastLoc = GL_GetUniformLocation (&r_gamma_program, "ContrastValue");
	textureLoc = GL_GetUniformLocation (&r_gamma_program, "GammaTexture");
}

Example #2

File: Shader.cpp Project: wang35666/LightWorld

bool Shader::LoadFromBuffer( const char* vfile, const char* ffile )
{
	_program = GL_CreateProgram(vfile, ffile);
	return true;
}

Example #3

File: Shader.cpp Project: wang35666/LightWorld

void Shader::PreLink()
{
	_program = GL_CreateProgram();
}