qt 6.5.1 original

tests/manual/rhi/tex3d/texture3d.frag

@@ -0,0 +1,24 @@
+#version 440
+
+layout(location = 0) in vec2 v_texcoord;
+
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+    int flip;
+    int idx;
+} ubuf;
+
+layout(binding = 1) uniform sampler3D tex;
+
+void main()
+{
+    float w = 0.0;
+    if (ubuf.idx == 1)
+        w = 0.5;
+    else if (ubuf.idx == 2)
+        w = 1.0;
+    vec4 c = texture(tex, vec3(v_texcoord, w));
+    fragColor = vec4(c.rgb * c.a, c.a);
+}