qt 6.6.0 clean

examples/gui/rhiwindow/shaders/color.frag

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+#version 440
+
+layout(location = 0) in vec3 v_color;
+
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+    float opacity;
+};
+
+void main()
+{
+    fragColor = vec4(v_color * opacity, opacity);
+}

examples/gui/rhiwindow/shaders/color.vert

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+#version 440
+
+layout(location = 0) in vec4 position;
+layout(location = 1) in vec3 color;
+
+layout(location = 0) out vec3 v_color;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 mvp;
+    float opacity;
+};
+
+void main()
+{
+    v_color = color;
+    gl_Position = mvp * position;
+}

examples/gui/rhiwindow/shaders/quad.frag

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+#version 440
+
+layout(location = 0) in vec2 v_uv;
+layout(location = 0) out vec4 fragColor;
+layout(binding = 0) uniform sampler2D tex;
+
+void main()
+{
+    vec4 c = texture(tex, v_uv);
+    fragColor = vec4(c.rgb * c.a, c.a);
+}

examples/gui/rhiwindow/shaders/quad.vert

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+#version 440
+
+layout (location = 0) out vec2 v_uv;
+
+void main()
+{
+    // https://www.saschawillems.de/blog/2016/08/13/vulkan-tutorial-on-rendering-a-fullscreen-quad-without-buffers/
+    v_uv = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
+    gl_Position = vec4(v_uv * 2.0 - 1.0, 0.0, 1.0);
+}