gfx/wr/webrender/res/brush_solid.glsl

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #define VECS_PER_SPECIFIC_BRUSH 1
   6
   7 #include shared,prim_shared,brush
   8
   9 flat varying mediump vec4 v_color;
  10
  11 #ifdef WR_VERTEX_SHADER
  12
  13 struct SolidBrush {
  14     vec4 color;
  15 };
  16
  17 SolidBrush fetch_solid_primitive(int address) {
  18     vec4 data = fetch_from_gpu_cache_1(address);
  19     return SolidBrush(data);
  20 }
  21
  22 void brush_vs(
  23     VertexInfo vi,
  24     int prim_address,
  25     RectWithEndpoint local_rect,
  26     RectWithEndpoint segment_rect,
  27     ivec4 prim_user_data,
  28     int specific_resource_address,
  29     mat4 transform,
  30     PictureTask pic_task,
  31     int brush_flags,
  32     vec4 unused
  33 ) {
  34     SolidBrush prim = fetch_solid_primitive(prim_address);
  35
  36     float opacity = float(prim_user_data.x) / 65535.0;
  37     v_color = prim.color * opacity;
  38 }
  39 #endif
  40
  41 #ifdef WR_FRAGMENT_SHADER
  42 Fragment brush_fs() {
  43     vec4 color = v_color;
  44 #ifdef WR_FEATURE_ALPHA_PASS
  45     color *= antialias_brush();
  46 #endif
  47     return Fragment(color);
  48 }
  49
  50 #if defined(SWGL_DRAW_SPAN) && (!defined(WR_FEATURE_ALPHA_PASS) || !defined(WR_FEATURE_DUAL_SOURCE_BLENDING))
  51 void swgl_drawSpanRGBA8() {
  52     swgl_commitSolidRGBA8(v_color);
  53 }
  54
  55 void swgl_drawSpanR8() {
  56     swgl_commitSolidR8(v_color.x);
  57 }
  58 #endif
  59
  60 #endif