1 files changed, 32 insertions, 0 deletions
diff --git a/gfx/wr/webrender/res/cs_fast_linear_gradient.glsl b/gfx/wr/webrender/res/cs_fast_linear_gradient.glsl
new file mode 100644
index 0000000000..36b3368dfe
--- /dev/null
+++ b/gfx/wr/webrender/res/cs_fast_linear_gradient.glsl
@@ -0,0 +1,32 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include shared
+
+varying highp float vPos;
+flat varying mediump vec4 vColor0;
+flat varying mediump vec4 vColor1;
+
+#ifdef WR_VERTEX_SHADER
+
+PER_INSTANCE in vec4 aTaskRect;
+PER_INSTANCE in vec4 aColor0;
+PER_INSTANCE in vec4 aColor1;
+PER_INSTANCE in float aAxisSelect;
+
+void main(void) {
+    vPos = mix(0.0, 1.0, mix(aPosition.x, aPosition.y, aAxisSelect));
+
+    vColor0 = aColor0;
+    vColor1 = aColor1;
+
+    gl_Position = uTransform * vec4(mix(aTaskRect.xy, aTaskRect.zw, aPosition.xy), 0.0, 1.0);
+}
+#endif
+
+#ifdef WR_FRAGMENT_SHADER
+void main(void) {
+    oFragColor = mix(vColor0, vColor1, vPos);
+}
+#endif