add some glsl example testing different arrays of uniforms

1 files changed, 19 insertions, 0 deletions

diff --git a/progs/vpglsl/varfor4f.glsl b/progs/vpglsl/varfor4f.glsl
new file mode 100644
index 0000000000..c70ba0356f
--- /dev/null
+++ b/progs/vpglsl/varfor4f.glsl
@@ -0,0 +1,19 @@
+const int KernelSize = 4;
+uniform vec4 KernelValue4f[KernelSize];
+
+void main(void)
+{
+    int i;
+    vec4 sum = vec4(0.0);
+    vec4 tmp = gl_Color;
+    gl_Position = gl_Vertex;
+
+    for (i = 0; i < KernelSize; ++i) {
+        vec4 rgba;
+
+        rgba = KernelValue4f[i];
+
+        sum += tmp * rgba;
+    }
+    gl_FrontColor = sum;
+}