Optimize VAO/VBO usage for minimal state changes.

[movit] / ycbcr_conversion_effect.frag

diff --git a/ycbcr_conversion_effect.frag b/ycbcr_conversion_effect.frag
index 6bc29b1be63782bcd950f3dd451256a2caedb8f0..4ef38016a7240e88023e32b7b5e0a8764b372526 100644 (file)
--- a/ycbcr_conversion_effect.frag
+++ b/ycbcr_conversion_effect.frag
@@ -1,8 +1,17 @@
+// See footer.frag for details about this if statement.
+#ifndef YCBCR_ALSO_OUTPUT_RGBA
+#define YCBCR_ALSO_OUTPUT_RGBA 0
+#endif
+

 uniform sampler2D PREFIX(tex_y);
 uniform sampler2D PREFIX(tex_cb);
 uniform sampler2D PREFIX(tex_cr);
 
 uniform sampler2D PREFIX(tex_y);
 uniform sampler2D PREFIX(tex_cb);
 uniform sampler2D PREFIX(tex_cr);
 

+#if YCBCR_ALSO_OUTPUT_RGBA
+vec4[2] FUNCNAME(vec2 tc) {
+#else

 vec4 FUNCNAME(vec2 tc) {
 vec4 FUNCNAME(vec2 tc) {

+#endif

        vec4 rgba = INPUT(tc);
        vec4 ycbcr_a;
 
        vec4 rgba = INPUT(tc);
        vec4 ycbcr_a;
 


@@ -20,5 +29,10 @@ vec4 FUNCNAME(vec2 tc) {
 #endif
 
        ycbcr_a.a = rgba.a;
 #endif
 
        ycbcr_a.a = rgba.a;

+
+#if YCBCR_ALSO_OUTPUT_RGBA
+       return vec4[2](ycbcr_a, rgba);
+#else

        return ycbcr_a;
        return ycbcr_a;

+#endif

 }
 }