Adds support for the GL_ANGLE_texture_usage and GL_EXT_texture_storage

gpu/command_buffer/service/texture_manager_unittest.cc

 // Copyright (c) 2011 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 "gpu/command_buffer/service/texture_manager.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/common/gl_mock.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
@@ skipping 106 matching lines @@
       &feature_info_, info, GL_TEXTURE_MAG_FILTER, GL_CLAMP_TO_EDGE));
   EXPECT_EQ(static_cast<GLenum>(GL_NEAREST), info->min_filter());
   EXPECT_FALSE(manager_.SetParameter(
       &feature_info_, info, GL_TEXTURE_WRAP_S, GL_NEAREST));
   EXPECT_EQ(static_cast<GLenum>(GL_CLAMP_TO_EDGE), info->wrap_s());
   EXPECT_FALSE(manager_.SetParameter(
       &feature_info_, info, GL_TEXTURE_WRAP_T, GL_NEAREST));
   EXPECT_EQ(static_cast<GLenum>(GL_CLAMP_TO_EDGE), info->wrap_t());
 }
 
+TEST_F(TextureManagerTest, TextureUsageExt) {
+  TestHelper::SetupTextureManagerInitExpectations(gl_.get(),
+                                                  "GL_ANGLE_texture_usage");
+  manager_.Initialize(&feature_info_);
+  const GLuint kClient1Id = 1;
+  const GLuint kService1Id = 11;
+  // Check we can create texture.
+  manager_.CreateTextureInfo(&feature_info_, kClient1Id, kService1Id);
+  // Check texture got created.
+  TextureManager::TextureInfo* info = manager_.GetTextureInfo(kClient1Id);
+  ASSERT_TRUE(info != NULL);
+  EXPECT_TRUE(manager_.SetParameter(
+      &feature_info_, info, GL_TEXTURE_USAGE_ANGLE,
+      GL_FRAMEBUFFER_ATTACHMENT_ANGLE));
+  EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_ATTACHMENT_ANGLE),
+            info->usage());
+}
+
 TEST_F(TextureManagerTest, Destroy) {
   const GLuint kClient1Id = 1;
   const GLuint kService1Id = 11;
   // Check we can create texture.
   manager_.CreateTextureInfo(&feature_info_, kClient1Id, kService1Id);
   // Check texture got created.
   TextureManager::TextureInfo* info1 = manager_.GetTextureInfo(kClient1Id);
   ASSERT_TRUE(info1 != NULL);
   EXPECT_CALL(*gl_, DeleteTextures(1, ::testing::Pointee(kService1Id)))
       .Times(1)
@@ skipping 179 matching lines @@
 
 TEST_F(TextureInfoTest, Basic) {
   EXPECT_EQ(0u, info_->target());
   EXPECT_FALSE(info_->texture_complete());
   EXPECT_FALSE(info_->cube_complete());
   EXPECT_FALSE(info_->CanGenerateMipmaps(&feature_info_));
   EXPECT_FALSE(info_->npot());
   EXPECT_EQ(0, info_->num_uncleared_mips());
   EXPECT_FALSE(info_->CanRender(&feature_info_));
   EXPECT_TRUE(info_->SafeToRenderFrom());
+  EXPECT_FALSE(info_->IsImmutable());
   EXPECT_EQ(static_cast<GLenum>(GL_NEAREST_MIPMAP_LINEAR), info_->min_filter());
   EXPECT_EQ(static_cast<GLenum>(GL_LINEAR), info_->mag_filter());
   EXPECT_EQ(static_cast<GLenum>(GL_REPEAT), info_->wrap_s());
   EXPECT_EQ(static_cast<GLenum>(GL_REPEAT), info_->wrap_t());
   EXPECT_TRUE(manager_.HaveUnrenderableTextures());
   EXPECT_FALSE(manager_.HaveUnsafeTextures());
 }
 
 TEST_F(TextureInfoTest, POT2D) {
   manager_.SetInfoTarget(&feature_info_, info_, GL_TEXTURE_2D);
@@ skipping 11 matching lines @@
       &feature_info_, info_, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
   EXPECT_TRUE(info_->CanRender(&feature_info_));
   EXPECT_FALSE(manager_.HaveUnrenderableTextures());
   // Set them back.
   manager_.SetParameter(
       &feature_info_, info_, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
   EXPECT_TRUE(manager_.HaveUnrenderableTextures());
 
   EXPECT_TRUE(info_->CanGenerateMipmaps(&feature_info_));
   // Make mips.
-  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_));
+  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_, true));
   EXPECT_TRUE(info_->texture_complete());
   EXPECT_TRUE(info_->CanRender(&feature_info_));
   EXPECT_FALSE(manager_.HaveUnrenderableTextures());
   // Change a mip.
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_2D, 1, GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   EXPECT_FALSE(info_->npot());
   EXPECT_FALSE(info_->texture_complete());
   EXPECT_TRUE(info_->CanGenerateMipmaps(&feature_info_));
   EXPECT_FALSE(info_->CanRender(&feature_info_));
   EXPECT_TRUE(manager_.HaveUnrenderableTextures());
   // Set a level past the number of mips that would get generated.
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_2D, 3, GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   EXPECT_TRUE(info_->CanGenerateMipmaps(&feature_info_));
   // Make mips.
-  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_));
+  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_, true));
   EXPECT_TRUE(info_->CanRender(&feature_info_));
   EXPECT_TRUE(info_->texture_complete());
   EXPECT_FALSE(manager_.HaveUnrenderableTextures());
 }
 
 TEST_F(TextureInfoTest, UnusedMips) {
   manager_.SetInfoTarget(&feature_info_, info_, GL_TEXTURE_2D);
   EXPECT_EQ(static_cast<GLenum>(GL_TEXTURE_2D), info_->target());
   // Set level zero to large size.
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
-  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_));
+  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_, true));
   EXPECT_FALSE(info_->npot());
   EXPECT_TRUE(info_->texture_complete());
   EXPECT_TRUE(info_->CanRender(&feature_info_));
   EXPECT_FALSE(manager_.HaveUnrenderableTextures());
   // Set level zero to large smaller (levels unused mips)
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
-  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_));
+  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_, true));
   EXPECT_FALSE(info_->npot());
   EXPECT_TRUE(info_->texture_complete());
   EXPECT_TRUE(info_->CanRender(&feature_info_));
   EXPECT_FALSE(manager_.HaveUnrenderableTextures());
   // Set an unused level to some size
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_2D, 4, GL_RGBA, 16, 16, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   EXPECT_FALSE(info_->npot());
   EXPECT_TRUE(info_->texture_complete());
   EXPECT_TRUE(info_->CanRender(&feature_info_));
@@ skipping 45 matching lines @@
   manager.SetInfoTarget(&feature_info_, info, GL_TEXTURE_2D);
   EXPECT_EQ(static_cast<GLenum>(GL_TEXTURE_2D), info->target());
   // Check Setting level 0 to NPOT
   manager.SetLevelInfo(&feature_info, info,
       GL_TEXTURE_2D, 0, GL_RGBA, 4, 5, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   EXPECT_TRUE(info->npot());
   EXPECT_FALSE(info->texture_complete());
   EXPECT_TRUE(info->CanGenerateMipmaps(&feature_info));
   EXPECT_FALSE(info->CanRender(&feature_info));
   EXPECT_TRUE(manager.HaveUnrenderableTextures());
-  EXPECT_TRUE(manager.MarkMipmapsGenerated(&feature_info, info));
+  EXPECT_TRUE(manager.MarkMipmapsGenerated(&feature_info, info, true));
   EXPECT_TRUE(info->texture_complete());
   EXPECT_TRUE(info->CanRender(&feature_info));
   EXPECT_FALSE(manager.HaveUnrenderableTextures());
   manager.Destroy(false);
 }
 
 TEST_F(TextureInfoTest, POTCubeMap) {
   manager_.SetInfoTarget(&feature_info_, info_, GL_TEXTURE_CUBE_MAP);
   EXPECT_EQ(static_cast<GLenum>(GL_TEXTURE_CUBE_MAP), info_->target());
   // Check Setting level 0 each face to POT
@@ skipping 46 matching lines @@
       GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
       0, GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   EXPECT_FALSE(info_->npot());
   EXPECT_FALSE(info_->texture_complete());
   EXPECT_TRUE(info_->cube_complete());
   EXPECT_TRUE(info_->CanGenerateMipmaps(&feature_info_));
   EXPECT_FALSE(info_->CanRender(&feature_info_));
   EXPECT_TRUE(manager_.HaveUnrenderableTextures());
 
   // Make mips.
-  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_));
+  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_, true));
   EXPECT_TRUE(info_->texture_complete());
   EXPECT_TRUE(info_->cube_complete());
   EXPECT_TRUE(info_->CanRender(&feature_info_));
   EXPECT_FALSE(manager_.HaveUnrenderableTextures());
 
   // Change a mip.
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
       1, GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   EXPECT_FALSE(info_->npot());
   EXPECT_FALSE(info_->texture_complete());
   EXPECT_TRUE(info_->cube_complete());
   EXPECT_TRUE(info_->CanGenerateMipmaps(&feature_info_));
   // Set a level past the number of mips that would get generated.
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
       3, GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   EXPECT_TRUE(info_->CanGenerateMipmaps(&feature_info_));
   // Make mips.
-  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_));
+  EXPECT_TRUE(manager_.MarkMipmapsGenerated(&feature_info_, info_, true));
   EXPECT_TRUE(info_->texture_complete());
   EXPECT_TRUE(info_->cube_complete());
 }
 
 TEST_F(TextureInfoTest, GetLevelSize) {
   manager_.SetInfoTarget(&feature_info_, info_, GL_TEXTURE_2D);
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_2D, 1, GL_RGBA, 4, 5, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, true);
   GLsizei width = -1;
   GLsizei height = -1;
@@ skipping 213 matching lines @@
   EXPECT_TRUE(info_->SafeToRenderFrom());
   EXPECT_FALSE(manager_.HaveUnsafeTextures());
   EXPECT_FALSE(manager_.HaveUnclearedMips());
   EXPECT_EQ(0, info_->num_uncleared_mips());
   manager_.SetLevelInfo(&feature_info_, info_,
       GL_TEXTURE_2D, 1, GL_RGBA, 8, 8, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, false);
   EXPECT_FALSE(info_->SafeToRenderFrom());
   EXPECT_TRUE(manager_.HaveUnsafeTextures());
   EXPECT_TRUE(manager_.HaveUnclearedMips());
   EXPECT_EQ(1, info_->num_uncleared_mips());
-  manager_.MarkMipmapsGenerated(&feature_info_, info_);
+  manager_.MarkMipmapsGenerated(&feature_info_, info_, true);
   EXPECT_TRUE(info_->SafeToRenderFrom());
   EXPECT_FALSE(manager_.HaveUnsafeTextures());
   EXPECT_FALSE(manager_.HaveUnclearedMips());
   EXPECT_EQ(0, info_->num_uncleared_mips());
 
   manager_.CreateTextureInfo(&feature_info_, kClient2Id, kService2Id);
   TextureManager::TextureInfo::Ref info2 = manager_.GetTextureInfo(kClient2Id);
   ASSERT_TRUE(info2.get() != NULL);
   manager_.SetInfoTarget(&feature_info_, info2, GL_TEXTURE_2D);
   EXPECT_FALSE(manager_.HaveUnsafeTextures());
@@ skipping 79 matching lines @@
   EXPECT_TRUE(info_->SafeToRenderFrom());
   EXPECT_FALSE(manager_.HaveUnsafeTextures());
   EXPECT_FALSE(manager_.HaveUnclearedMips());
   EXPECT_EQ(0, info_->num_uncleared_mips());
 }
 
 }  // namespace gles2
 }  // namespace gpu