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Diffstat (limited to 'packages/noncvs/windows/extra/Gem/examples/12.multi_screen_projection/nfp_33.frag')
-rw-r--r--packages/noncvs/windows/extra/Gem/examples/12.multi_screen_projection/nfp_33.frag18
1 files changed, 18 insertions, 0 deletions
diff --git a/packages/noncvs/windows/extra/Gem/examples/12.multi_screen_projection/nfp_33.frag b/packages/noncvs/windows/extra/Gem/examples/12.multi_screen_projection/nfp_33.frag
new file mode 100644
index 00000000..e3ce36c7
--- /dev/null
+++ b/packages/noncvs/windows/extra/Gem/examples/12.multi_screen_projection/nfp_33.frag
@@ -0,0 +1,18 @@
+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2DRect MyTex;
+uniform float Sl,Sr,St,Sb; // shade size
+varying vec2 pos;
+
+
+void main (void)
+{
+ vec4 color = texture2DRect(MyTex, gl_TexCoord[0].st);
+
+ color.a *=min(1.,pos.x/Sl);
+ color.a *=min(1.,(1.-pos.x)/Sr);
+ color.a *=min(1.,pos.y/St);
+ color.a *=min(1.,(1.-pos.y)/Sb);
+
+ gl_FragColor = color;
+}