gpu: Support ES3 msaa and depth/stencil formats

gpu/command_buffer/service/feature_info.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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_
 #define GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_
 
 #include <set>
 #include <string>
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/sys_info.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/gles2_cmd_validation.h"
 #include "gpu/config/gpu_driver_bug_workaround_type.h"
 #include "gpu/gpu_export.h"
 
 class CommandLine;
 
 namespace gpu {
 namespace gles2 {
 
 // FeatureInfo records the features that are available for a ContextGroup.
 class GPU_EXPORT FeatureInfo : public base::RefCounted<FeatureInfo> {
  public:
   struct FeatureFlags {
     FeatureFlags();
 
     bool chromium_framebuffer_multisample;
+    // Use glBlitFramebuffer() and glRenderbufferStorageMultisample() with
+    // GL_EXT_framebuffer_multisample-style semantics, since they are exposed
+    // as core GL functions on this implementation.
+    bool use_core_framebuffer_multisample;
     bool multisampled_render_to_texture;
     // Use the IMG GLenum values and functions rather than EXT.
     bool use_img_for_multisampled_render_to_texture;
     bool oes_standard_derivatives;
     bool oes_egl_image_external;
     bool oes_depth24;
+    bool packed_depth24_stencil8;
     bool npot_ok;
     bool enable_texture_float_linear;
     bool enable_texture_half_float_linear;
     bool chromium_stream_texture;
     bool angle_translated_shader_source;
     bool angle_pack_reverse_row_order;
     bool arb_texture_rectangle;
     bool angle_instanced_arrays;
     bool occlusion_query_boolean;
     bool use_arb_occlusion_query2_for_occlusion_query_boolean;
     bool use_arb_occlusion_query_for_occlusion_query_boolean;
     bool native_vertex_array_object;
     bool enable_shader_name_hashing;
     bool enable_samplers;
     bool ext_draw_buffers;
     bool ext_frag_depth;
     bool use_async_readpixels;
     bool map_buffer_range;
     bool ext_discard_framebuffer;
     bool angle_depth_texture;
+    bool is_angle;
   };
 
   struct Workarounds {
     Workarounds();
 
 #define GPU_OP(type, name) bool name;
     GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
 #undef GPU_OP
 
     // Note: 0 here means use driver limit.
@@ skipping 58 matching lines @@
   // Flags for Workarounds.
   Workarounds workarounds_;
 
   DISALLOW_COPY_AND_ASSIGN(FeatureInfo);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_