Port {Circular,}Spinner fragmentShader to Qt6 (qsb)

Author: JamiKettunen

src/controls/CMakeLists.txt

@@ -48,6 +48,13 @@ qt_add_resources(asteroidcontrolsplugin "asteroidcontrolsplugin_qrc"
     PREFIX "/org/asteroid/controls/"
     FILES "${controls-qml}")
 
+qt6_add_shaders(asteroidcontrolsplugin "asteroidcontrolsplugin_shaders"
+    PREFIX "/org/asteroid/controls/"
+    FILES "qml/Spinner.frag"
+    BATCHABLE
+    PRECOMPILE
+    OPTIMIZED)
+
 set(controls-docs "$<LIST:TRANSFORM,$<LIST:TRANSFORM,$<LOWER_CASE:${controls}>,PREPEND,qml->,APPEND,.html>")
 set(doc-dir "${CMAKE_BINARY_DIR}/doc/html")
 set(full-controls-docs "$<LIST:TRANSFORM,${controls-docs},PREPEND,${doc-dir}>")

src/controls/qml/CircularSpinner.qml

@@ -93,19 +93,6 @@ PathView {
 
     layer.enabled: true
     layer.effect: ShaderEffect {
-        fragmentShader: "
-        precision mediump float;
-        varying highp vec2 qt_TexCoord0;
-        uniform sampler2D source;
-        void main(void)
-        {
-            vec4 sourceColor = texture2D(source, qt_TexCoord0);
-            float alpha = 1.0;
-            if(qt_TexCoord0.y < 0.2)
-                alpha = qt_TexCoord0.y*5.0;
-            if(qt_TexCoord0.y > 0.8)
-                alpha = (1.0-qt_TexCoord0.y)*5.0;
-            gl_FragColor = sourceColor * alpha;
-        }"
+        fragmentShader: "Spinner.frag.qsb"
     }
 }

src/controls/qml/Spinner.frag

@@ -0,0 +1,14 @@
+#version 440
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+layout(binding = 1) uniform sampler2D source;
+void main(void)
+{
+    vec4 sourceColor = texture(source, qt_TexCoord0);
+    float alpha = 1.0;
+    if(qt_TexCoord0.y < 0.2)
+        alpha = qt_TexCoord0.y*5.0;
+    if(qt_TexCoord0.y > 0.8)
+        alpha = (1.0-qt_TexCoord0.y)*5.0;
+    fragColor = sourceColor * alpha;
+}

src/controls/qml/Spinner.qml

@@ -72,19 +72,6 @@ ListView {
 
     layer.enabled: true
     layer.effect: ShaderEffect {
-        fragmentShader: "
-        precision mediump float;
-        varying highp vec2 qt_TexCoord0;
-        uniform sampler2D source;
-        void main(void)
-        {
-            vec4 sourceColor = texture2D(source, qt_TexCoord0);
-            float alpha = 1.0;
-            if(qt_TexCoord0.y < 0.2)
-                alpha = qt_TexCoord0.y*5.0;
-            if(qt_TexCoord0.y > 0.8)
-                alpha = (1.0-qt_TexCoord0.y)*5.0;
-            gl_FragColor = sourceColor * alpha;
-        }"
+        fragmentShader: "Spinner.frag.qsb"
     }
 }