Gem 4990e2aec04f67a68fbd2878f4d99bb8042f68fa osx/x86_64

built 'master:4990e2aec04f67a68fbd2878f4d99bb8042f68fa' for osx/x86_64

1 files changed, 35 insertions, 0 deletions

diff --git a/Gem/examples/10.glsl/GLSL_mix.frag b/Gem/examples/10.glsl/GLSL_mix.frag
new file mode 100644
index 0000000..ce47bf8
--- /dev/null
+++ b/Gem/examples/10.glsl/GLSL_mix.frag
@@ -0,0 +1,35 @@
+//jack/RYBN 2010
+#extension GL_EXT_gpu_shader4 : enable
+#extension GL_ARB_texture_rectangle : enable
+uniform sampler2DRect Ttex1;
+uniform sampler2DRect Ttex2;
+uniform sampler2DRect tex0;
+uniform float style;
+uniform float mix_factor;
+varying vec2 texcoord0;
+ivec2 size1 = textureSize2DRect(Ttex1, 0);
+ivec2 size2 = textureSize2DRect(Ttex2, 0);
+ivec2 size0 = textureSize2DRect(tex0, 0);
+
+void main (void)
+{
+	float sizeF1X = float(size1.x)/float(size0.x);
+	float sizeF1Y = float(size1.y)/float(size0.y);
+	float sizeF2X = float(size2.x)/float(size0.x);
+	float sizeF2Y = float(size2.y)/float(size0.y);
+	vec4 color1 = texture2DRect(Ttex1, vec2(texcoord0.s*sizeF1X,texcoord0.t*sizeF1Y));
+	vec4 color2 = texture2DRect(Ttex2, vec2(texcoord0.s*sizeF2X,texcoord0.t*sizeF2Y));
+	if (style == 0.) {
+		gl_FragColor = (color1 + color2);
+	} else if (style == 1.) {
+		gl_FragColor = (color1 - color2);
+	} else if (style == 2.) {
+		gl_FragColor = abs(color1 - color2);
+	} else if (style == 3.) {
+		gl_FragColor = (color1 * color2);
+	} else if (style == 4.) {
+		gl_FragColor = mix(color1,color2,mix_factor);
+	}
+
+}
+