1 files changed, 21 insertions, 15 deletions

diff --git a/gfx/wr/webrender/res/gpu_buffer.glsl b/gfx/wr/webrender/res/gpu_buffer.glsl
index 25f4622db2..4923a28ef9 100644
--- a/gfx/wr/webrender/res/gpu_buffer.glsl
+++ b/gfx/wr/webrender/res/gpu_buffer.glsl
@@ -2,41 +2,47 @@
  * 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/. */
 
-uniform HIGHP_SAMPLER_FLOAT sampler2D sGpuBuffer;
+uniform HIGHP_SAMPLER_FLOAT sampler2D sGpuBufferF;
+uniform HIGHP_SAMPLER_FLOAT isampler2D sGpuBufferI;
 
 ivec2 get_gpu_buffer_uv(HIGHP_FS_ADDRESS int address) {
     return ivec2(uint(address) % WR_MAX_VERTEX_TEXTURE_WIDTH,
                  uint(address) / WR_MAX_VERTEX_TEXTURE_WIDTH);
 }
 
-vec4 fetch_from_gpu_buffer_1(HIGHP_FS_ADDRESS int address) {
+vec4 fetch_from_gpu_buffer_1f(HIGHP_FS_ADDRESS int address) {
     ivec2 uv = get_gpu_buffer_uv(address);
-    return texelFetch(sGpuBuffer, uv, 0);
+    return texelFetch(sGpuBufferF, uv, 0);
 }
 
-vec4[2] fetch_from_gpu_buffer_2(HIGHP_FS_ADDRESS int address) {
+vec4[2] fetch_from_gpu_buffer_2f(HIGHP_FS_ADDRESS int address) {
     ivec2 uv = get_gpu_buffer_uv(address);
     return vec4[2](
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(0, 0)),
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(1, 0))
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(0, 0)),
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(1, 0))
     );
 }
 
-vec4[3] fetch_from_gpu_buffer_3(HIGHP_FS_ADDRESS int address) {
+vec4[3] fetch_from_gpu_buffer_3f(HIGHP_FS_ADDRESS int address) {
     ivec2 uv = get_gpu_buffer_uv(address);
     return vec4[3](
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(0, 0)),
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(1, 0)),
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(2, 0))
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(0, 0)),
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(1, 0)),
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(2, 0))
     );
 }
 
-vec4[4] fetch_from_gpu_buffer_4(HIGHP_FS_ADDRESS int address) {
+vec4[4] fetch_from_gpu_buffer_4f(HIGHP_FS_ADDRESS int address) {
     ivec2 uv = get_gpu_buffer_uv(address);
     return vec4[4](
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(0, 0)),
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(1, 0)),
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(2, 0)),
-        TEXEL_FETCH(sGpuBuffer, uv, 0, ivec2(3, 0))
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(0, 0)),
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(1, 0)),
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(2, 0)),
+        TEXEL_FETCH(sGpuBufferF, uv, 0, ivec2(3, 0))
     );
 }
+
+ivec4 fetch_from_gpu_buffer_1i(HIGHP_FS_ADDRESS int address) {
+    ivec2 uv = get_gpu_buffer_uv(address);
+    return texelFetch(sGpuBufferI, uv, 0);
+}