Workground for glGenerateMipmap bug in some drivers.

gpu/command_buffer/service/texture_manager_unittest.cc

Index: gpu/command_buffer/service/texture_manager_unittest.cc
diff --git a/gpu/command_buffer/service/texture_manager_unittest.cc b/gpu/command_buffer/service/texture_manager_unittest.cc
index 0b59fc557328fbac4b01ef5371990b3c98a20754..7fab5d3a0882f6130ce832768121d1a31ee27fb6 100644
--- a/gpu/command_buffer/service/texture_manager_unittest.cc
+++ b/gpu/command_buffer/service/texture_manager_unittest.cc
@@ -93,6 +93,29 @@ TEST_F(TextureManagerTest, Basic) {
   EXPECT_TRUE(manager_.GetTextureInfo(kClient1Id) == NULL);
 }
 
+TEST_F(TextureManagerTest, SetParameter) {
+  const GLuint kClient1Id = 1;
+  const GLuint kService1Id = 11;
+  EXPECT_FALSE(manager_.HaveUnrenderableTextures());
+  // 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);
+  manager_.SetParameter(
+      &feature_info_, info, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  EXPECT_EQ(static_cast<GLenum>(GL_NEAREST), info->min_filter());
+  manager_.SetParameter(
+      &feature_info_, info, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+  EXPECT_EQ(static_cast<GLenum>(GL_NEAREST), info->mag_filter());
+  manager_.SetParameter(
+      &feature_info_, info, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  EXPECT_EQ(static_cast<GLenum>(GL_CLAMP_TO_EDGE), info->wrap_s());
+  manager_.SetParameter(
+      &feature_info_, info, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  EXPECT_EQ(static_cast<GLenum>(GL_CLAMP_TO_EDGE), info->wrap_t());
+}
+
 TEST_F(TextureManagerTest, Destroy) {
   const GLuint kClient1Id = 1;
   const GLuint kService1Id = 11;
@@ -263,6 +286,10 @@ TEST_F(TextureInfoTest, Basic) {
   EXPECT_FALSE(info_->CanGenerateMipmaps(&feature_info_));
   EXPECT_FALSE(info_->npot());
   EXPECT_FALSE(info_->CanRender(&feature_info_));
+  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());
 }