1 files changed, 92 insertions, 0 deletions
diff --git a/gfx/wr/webrender/res/brush_solid.glsl b/gfx/wr/webrender/res/brush_solid.glsl
new file mode 100644
index 0000000000..59ed5c052c
--- /dev/null
+++ b/gfx/wr/webrender/res/brush_solid.glsl
@@ -0,0 +1,92 @@
+/* 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/. */
+
+#define VECS_PER_SPECIFIC_BRUSH 1
+
+#include shared,prim_shared,brush
+
+flat varying vec4 v_color;
+
+#ifdef WR_FEATURE_ALPHA_PASS
+varying vec2 v_local_pos;
+#endif
+
+#ifdef WR_VERTEX_SHADER
+
+struct SolidBrush {
+    vec4 color;
+};
+
+SolidBrush fetch_solid_primitive(int address) {
+    vec4 data = fetch_from_gpu_cache_1(address);
+    return SolidBrush(data);
+}
+
+void brush_vs(
+    VertexInfo vi,
+    int prim_address,
+    RectWithSize local_rect,
+    RectWithSize segment_rect,
+    ivec4 prim_user_data,
+    int specific_resource_address,
+    mat4 transform,
+    PictureTask pic_task,
+    int brush_flags,
+    vec4 unused
+) {
+    SolidBrush prim = fetch_solid_primitive(prim_address);
+
+    float opacity = float(prim_user_data.x) / 65535.0;
+    v_color = prim.color * opacity;
+
+#ifdef WR_FEATURE_ALPHA_PASS
+    v_local_pos = vi.local_pos;
+#endif
+}
+#endif
+
+#ifdef WR_FRAGMENT_SHADER
+Fragment brush_fs() {
+    vec4 color = v_color;
+#ifdef WR_FEATURE_ALPHA_PASS
+    color *= init_transform_fs(v_local_pos);
+#endif
+    return Fragment(color);
+}
+
+#if defined(SWGL) && (!defined(WR_FEATURE_ALPHA_PASS) || !defined(WR_FEATURE_DUAL_SOURCE_BLENDING))
+void swgl_drawSpanRGBA8() {
+    #ifdef WR_FEATURE_ALPHA_PASS
+        if (has_valid_transform_bounds()) {
+            while (swgl_SpanLength > 0) {
+                float alpha = init_transform_fs(v_local_pos);
+                swgl_commitColorRGBA8(v_color, alpha);
+                v_local_pos += swgl_interpStep(v_local_pos);
+            }
+            return;
+        }
+        // No clip or transform, so just fall through to a solid span...
+    #endif
+
+    swgl_commitSolidRGBA8(v_color);
+}
+
+void swgl_drawSpanR8() {
+    #ifdef WR_FEATURE_ALPHA_PASS
+        if (has_valid_transform_bounds()) {
+            while (swgl_SpanLength > 0) {
+                float alpha = init_transform_fs(v_local_pos);
+                swgl_commitColorR8(v_color.x, alpha);
+                v_local_pos += swgl_interpStep(v_local_pos);
+            }
+            return;
+        }
+        // No clip or transform, so just fall through to a solid span...
+    #endif
+
+    swgl_commitSolidR8(v_color.x);
+}
+#endif
+
+#endif