Function AddPostProcessing

src/Graphics_GL2.c:246–253

}

static void AddPostProcessing(cc_string* dst) {
	switch (postProcess) {
	case POSTPROCESS_GRAYSCALE:
		String_AppendConst(dst, "  float gray = 0.21 * col.r + 0.71 * col.g + 0.07 * col.b;\n");
		String_AppendConst(dst, "  col = vec4(gray, gray, gray, col.a);\n");
		break;
	}
}

/* Generates source code for a GLSL fragment shader, based on shader's flags */
static void GenFragmentShader(const struct GLShader* shader, cc_string* dst) {