Add support for converting cc::FilterOperations into an SkImageFilter

cc/output/gl_renderer_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/gl_renderer.h"
 
 #include <set>
 
 #include "cc/base/math_util.h"
 #include "cc/debug/test_web_graphics_context_3d.h"
@@ skipping 1191 matching lines @@
   matrix[10] = 0.213f - 0.213f * amount;
   matrix[11] = 0.715f - 0.715f * amount;
   matrix[12] = 1.f - (matrix[10] + matrix[11]);
   matrix[13] = matrix[14] = 0;
   matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0;
   matrix[18] = 1;
   skia::RefPtr<SkColorFilter> color_filter(
       skia::AdoptRef(new SkColorMatrixFilter(matrix)));
   skia::RefPtr<SkImageFilter> filter = skia::AdoptRef(
       SkColorFilterImageFilter::Create(color_filter.get(), NULL));
+  FilterOperations filters;
+  filters.Append(FilterOperation::CreateReferenceFilter(filter));
 
   gfx::Transform transform_causing_aa;
   transform_causing_aa.Rotate(20.0);
 
   // RenderPassProgram
   render_passes->clear();
 
   child_pass = AddRenderPass(
       render_passes, child_pass_id, child_rect, gfx::Transform());
 
   root_pass = AddRenderPass(
       render_passes, root_pass_id, viewport_rect, gfx::Transform());
 
   AddRenderPassQuad(root_pass,
                     child_pass,
                     0,
-                    skia::RefPtr<SkImageFilter>(),
+                    FilterOperations(),
                     gfx::Transform());
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassProgram();
 
   // RenderPassColorMatrixProgram
   render_passes->clear();
 
   child_pass = AddRenderPass(
       render_passes, child_pass_id, child_rect, transform_causing_aa);
 
   root_pass = AddRenderPass(
       render_passes, root_pass_id, viewport_rect, gfx::Transform());
 
-  AddRenderPassQuad(root_pass, child_pass, 0, filter, gfx::Transform());
+  AddRenderPassQuad(root_pass, child_pass, 0, filters, gfx::Transform());
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassColorMatrixProgram();
 
   // RenderPassMaskProgram
   render_passes->clear();
 
   child_pass = AddRenderPass(
       render_passes, child_pass_id, child_rect, gfx::Transform());
 
   root_pass = AddRenderPass(
       render_passes, root_pass_id, viewport_rect, gfx::Transform());
 
   AddRenderPassQuad(root_pass,
                     child_pass,
                     mask,
-                    skia::RefPtr<SkImageFilter>(),
+                    FilterOperations(),
                     gfx::Transform());
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassMaskProgram();
 
   // RenderPassMaskColorMatrixProgram
   render_passes->clear();
 
   child_pass = AddRenderPass(
       render_passes, child_pass_id, child_rect, gfx::Transform());
 
   root_pass = AddRenderPass(
       render_passes, root_pass_id, viewport_rect, gfx::Transform());
 
-  AddRenderPassQuad(root_pass, child_pass, mask, filter, gfx::Transform());
+  AddRenderPassQuad(root_pass, child_pass, mask, filters, gfx::Transform());
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassMaskColorMatrixProgram();
 
   // RenderPassProgramAA
   render_passes->clear();
 
   child_pass = AddRenderPass(
       render_passes, child_pass_id, child_rect, transform_causing_aa);
 
   root_pass = AddRenderPass(
       render_passes, root_pass_id, viewport_rect, gfx::Transform());
 
   AddRenderPassQuad(root_pass,
                     child_pass,
                     0,
-                    skia::RefPtr<SkImageFilter>(),
+                    FilterOperations(),
                     transform_causing_aa);
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassProgramAA();
 
   // RenderPassColorMatrixProgramAA
   render_passes->clear();
 
   child_pass = AddRenderPass(
       render_passes, child_pass_id, child_rect, transform_causing_aa);
 
   root_pass = AddRenderPass(
       render_passes, root_pass_id, viewport_rect, gfx::Transform());
 
-  AddRenderPassQuad(root_pass, child_pass, 0, filter, transform_causing_aa);
+  AddRenderPassQuad(root_pass, child_pass, 0, filters, transform_causing_aa);
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassColorMatrixProgramAA();
 
   // RenderPassMaskProgramAA
   render_passes->clear();
 
   child_pass = AddRenderPass(render_passes, child_pass_id, child_rect,
       transform_causing_aa);
 
   root_pass = AddRenderPass(render_passes, root_pass_id, viewport_rect,
       gfx::Transform());
 
-  AddRenderPassQuad(root_pass, child_pass, mask, skia::RefPtr<SkImageFilter>(),
+  AddRenderPassQuad(root_pass, child_pass, mask, FilterOperations(),
       transform_causing_aa);
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassMaskProgramAA();
 
   // RenderPassMaskColorMatrixProgramAA
   render_passes->clear();
 
   child_pass = AddRenderPass(render_passes, child_pass_id, child_rect,
       transform_causing_aa);
 
   root_pass = AddRenderPass(render_passes, root_pass_id, viewport_rect,
       transform_causing_aa);
 
-  AddRenderPassQuad(root_pass, child_pass, mask, filter, transform_causing_aa);
+  AddRenderPassQuad(root_pass, child_pass, mask, filters, transform_causing_aa);
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
   TestRenderPassMaskColorMatrixProgramAA();
 }
 
 // At this time, the AA code path cannot be taken if the surface's rect would
 // project incorrectly by the given transform, because of w<0 clipping.
 TEST_F(GLRendererShaderTest, DrawRenderPassQuadSkipsAAForClippingTransform) {
@@ skipping 26 matching lines @@
 
   child_pass = AddRenderPass(
       render_passes, child_pass_id, child_rect, transform_preventing_aa);
 
   root_pass = AddRenderPass(
       render_passes, root_pass_id, viewport_rect, gfx::Transform());
 
   AddRenderPassQuad(root_pass,
                     child_pass,
                     0,
-                    skia::RefPtr<SkImageFilter>(),
+                    FilterOperations(),
                     transform_preventing_aa);
 
   renderer_->DecideRenderPassAllocationsForFrame(
       *renderer_client_.render_passes_in_draw_order());
   renderer_->DrawFrame(renderer_client_.render_passes_in_draw_order(), NULL);
 
   // If use_aa incorrectly ignores clipping, it will use the
   // RenderPassProgramAA shader instead of the RenderPassProgram.
   TestRenderPassProgram();
 }
@@ skipping 216 matching lines @@
   base::MessageLoop::current()->Run();
 
   // The sync point should have happened.
   EXPECT_EQ(1, sync_point_callback_count);
   EXPECT_EQ(1, other_callback_count);
 }
 #endif  // OS_ANDROID
 
 }  // namespace
 }  // namespace cc