Allow one-copy and zero-copy task tile worker pools to use compressed textures.

BUG=434699
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Committed: https://crrev.com/7d60ce9a132a88ead407a2a58c91edc431e68259
Cr-Commit-Position: refs/heads/master@{#364326}

Review URL: https://codereview.chromium.org/1379783002

Cr-Commit-Position: refs/heads/master@{#364484}

3 files changed, 15 insertions, 9 deletions

diff --git a/cc/output/renderer_settings.cc b/cc/output/renderer_settings.cc
index da79a48..4c74710 100644
--- a/cc/output/renderer_settings.cc
+++ b/cc/output/renderer_settings.cc
@@ -8,6 +8,7 @@
 
 #include "base/logging.h"
 #include "cc/proto/renderer_settings.pb.h"
+#include "cc/resources/platform_color.h"
 
 namespace cc {
 
@@ -22,9 +23,9 @@ RendererSettings::RendererSettings()
       delay_releasing_overlay_resources(false),
       refresh_rate(60.0),
       highp_threshold_min(0),
-      use_rgba_4444_textures(false),
       texture_id_allocation_chunk_size(64),
-      use_gpu_memory_buffer_resources(false) {}
+      use_gpu_memory_buffer_resources(false),
+      preferred_tile_format(PlatformColor::BestTextureFormat()) {}
 
 RendererSettings::~RendererSettings() {
 }
@@ -41,9 +42,9 @@ void RendererSettings::ToProtobuf(proto::RendererSettings* proto) const {
       delay_releasing_overlay_resources);
   proto->set_refresh_rate(refresh_rate);
   proto->set_highp_threshold_min(highp_threshold_min);
-  proto->set_use_rgba_4444_textures(use_rgba_4444_textures);
   proto->set_texture_id_allocation_chunk_size(texture_id_allocation_chunk_size);
   proto->set_use_gpu_memory_buffer_resources(use_gpu_memory_buffer_resources);
+  proto->set_preferred_tile_format(preferred_tile_format);
 }
 
 void RendererSettings::FromProtobuf(const proto::RendererSettings& proto) {
@@ -57,9 +58,13 @@ void RendererSettings::FromProtobuf(const proto::RendererSettings& proto) {
   delay_releasing_overlay_resources = proto.delay_releasing_overlay_resources();
   refresh_rate = proto.refresh_rate();
   highp_threshold_min = proto.highp_threshold_min();
-  use_rgba_4444_textures = proto.use_rgba_4444_textures();
   texture_id_allocation_chunk_size = proto.texture_id_allocation_chunk_size();
   use_gpu_memory_buffer_resources = proto.use_gpu_memory_buffer_resources();
+
+  DCHECK_LE(proto.preferred_tile_format(),
+            static_cast<uint32_t>(RESOURCE_FORMAT_MAX));
+  preferred_tile_format =
+      static_cast<ResourceFormat>(proto.preferred_tile_format());
 }
 
 bool RendererSettings::operator==(const RendererSettings& other) const {
@@ -74,11 +79,11 @@ bool RendererSettings::operator==(const RendererSettings& other) const {
              other.delay_releasing_overlay_resources &&
          refresh_rate == other.refresh_rate &&
          highp_threshold_min == other.highp_threshold_min &&
-         use_rgba_4444_textures == other.use_rgba_4444_textures &&
          texture_id_allocation_chunk_size ==
              other.texture_id_allocation_chunk_size &&
          use_gpu_memory_buffer_resources ==
-             other.use_gpu_memory_buffer_resources;
+             other.use_gpu_memory_buffer_resources &&
+         preferred_tile_format == other.preferred_tile_format;
 }
 
 }  // namespace cc
diff --git a/cc/output/renderer_settings.h b/cc/output/renderer_settings.h
index 4910a25..3d7bf10 100644
--- a/cc/output/renderer_settings.h
+++ b/cc/output/renderer_settings.h
@@ -7,6 +7,7 @@
 
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
+#include "cc/resources/resource_format.h"
 
 namespace cc {
 
@@ -29,9 +30,9 @@ class CC_EXPORT RendererSettings {
   bool delay_releasing_overlay_resources;
   double refresh_rate;
   int highp_threshold_min;
-  bool use_rgba_4444_textures;
   size_t texture_id_allocation_chunk_size;
   bool use_gpu_memory_buffer_resources;
+  ResourceFormat preferred_tile_format;
 
   void ToProtobuf(proto::RendererSettings* proto) const;
   void FromProtobuf(const proto::RendererSettings& proto);
diff --git a/cc/output/renderer_settings_unittest.cc b/cc/output/renderer_settings_unittest.cc
index b7febd4..40d4f07 100644
--- a/cc/output/renderer_settings_unittest.cc
+++ b/cc/output/renderer_settings_unittest.cc
@@ -30,9 +30,9 @@ TEST(RendererSettingsTest, AllFieldsFlipped) {
   settings.delay_releasing_overlay_resources = true;
   settings.refresh_rate = 6.0;
   settings.highp_threshold_min = 1;
-  settings.use_rgba_4444_textures = true;
   settings.texture_id_allocation_chunk_size = 46;
   settings.use_gpu_memory_buffer_resources = true;
+  settings.preferred_tile_format = RGBA_4444;
   VerifySerializeAndDeserializeProto(settings);
 }
 
@@ -48,9 +48,9 @@ TEST(RendererSettingsTest, ArbitraryFieldValues) {
   settings.delay_releasing_overlay_resources = true;
   settings.refresh_rate = 999.0;
   settings.highp_threshold_min = 1;
-  settings.use_rgba_4444_textures = true;
   settings.texture_id_allocation_chunk_size = 12;
   settings.use_gpu_memory_buffer_resources = true;
+  settings.preferred_tile_format = RGBA_4444;
   VerifySerializeAndDeserializeProto(settings);
 }