Disable FRAMEBUFFER_SRGB when restoring from a null context state

gpu/command_buffer/service/context_state.h

 // Copyright (c) 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.
 
 // This file contains the ContextState class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_
 
 #include <memory>
@@ skipping 135 matching lines @@
 template <>
 GPU_EXPORT void Vec4::GetValues<GLuint>(GLuint* values) const;
 
 template <>
 GPU_EXPORT void Vec4::SetValues<GLfloat>(const GLfloat* values);
 template <>
 GPU_EXPORT void Vec4::SetValues<GLint>(const GLint* values);
 template <>
 GPU_EXPORT void Vec4::SetValues<GLuint>(const GLuint* values);
 
+enum FramebufferSRGBState {
+  FRAMEBUFFER_SRGB_UNDEFINED,
+  FRAMEBUFFER_SRGB_DISABLED,
+  FRAMEBUFFER_SRGB_ENABLED
+};
+
 struct GPU_EXPORT ContextState {
   enum Dimension {
     k2D,
     k3D
   };
 
   ContextState(FeatureInfo* feature_info,
                ErrorStateClient* error_state_client,
                Logger* logger);
   ~ContextState();
@@ skipping 99 matching lines @@
   const std::vector<uint32_t>& generic_attrib_base_type_mask() const {
     return generic_attrib_base_type_mask_;
   }
 
   void UnbindTexture(TextureRef* texture);
   void UnbindSampler(Sampler* sampler);
 
   PixelStoreParams GetPackParams();
   PixelStoreParams GetUnpackParams(Dimension dimension);
 
-  void EnableDisableFramebufferSRGB(bool enable);
+  void EnableDisableFramebufferSRGB(FramebufferSRGBState enable);
 
   #include "gpu/command_buffer/service/context_state_autogen.h"
 
   EnableFlags enable_flags;
 
   // Current active texture by 0 - n index.
   // In other words, if we call glActiveTexture(GL_TEXTURE2) this value would
   // be 2.
   GLuint active_texture_unit;
 
@@ skipping 48 matching lines @@
 
   // If a buffer object is bound to PIXEL_PACK_BUFFER, set all pack parameters
   // user values; otherwise, set them to 0.
   void UpdatePackParameters() const;
   // If a buffer object is bound to PIXEL_UNPACK_BUFFER, set all unpack
   // parameters user values; otherwise, set them to 0.
   void UpdateUnpackParameters() const;
 
   void InitStateManual(const ContextState* prev_state) const;
 
-  bool framebuffer_srgb_;
+  FramebufferSRGBState framebuffer_srgb_;
 
   // Generic vertex attrib base types: FLOAT, INT, or UINT.
   // Each base type is encoded into 2 bits, the lowest 2 bits for location 0,
   // the highest 2 bits for location (max_vertex_attribs - 1).
   std::vector<uint32_t> generic_attrib_base_type_mask_;
 
   FeatureInfo* feature_info_;
   std::unique_ptr<ErrorState> error_state_;
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_