Plum through ANGLE_depth_texture

gpu/command_buffer/service/texture_manager.cc

 // 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.
 
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "base/bits.h"
 #include "base/debug/trace_event.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
@@ skipping 192 matching lines @@
 
 bool TextureManager::TextureInfo::CanGenerateMipmaps(
     const FeatureInfo* feature_info) const {
   if ((npot() && !feature_info->feature_flags().npot_ok) ||
       level_infos_.empty() ||
       target_ == GL_TEXTURE_EXTERNAL_OES ||
       target_ == GL_TEXTURE_RECTANGLE_ARB) {
     return false;
   }
 
+  // Can't generate mips for depth or stencil textures.
   const TextureInfo::LevelInfo& first = level_infos_[0][0];
+  uint32 channels = GLES2Util::GetChannelsForFormat(first.format);
+  if (channels & (GLES2Util::kDepth | GLES2Util::kStencil)) {
+    return false;
+  }
+
   // TODO(gman): Check internal_format, format and type.
   for (size_t ii = 0; ii < level_infos_.size(); ++ii) {
     const LevelInfo& info = level_infos_[ii][0];
     if ((info.target == 0) ||
         (info.width != first.width) ||
         (info.height != first.height) ||
         (info.depth != 1) ||
         (info.format != first.format) ||
         (info.internal_format != first.internal_format) ||
         (info.type != first.type) ||
@@ skipping 818 matching lines @@
 
 GLsizei TextureManager::ComputeMipMapCount(
     GLsizei width, GLsizei height, GLsizei depth) {
   return 1 + base::bits::Log2Floor(std::max(std::max(width, height), depth));
 }
 
 }  // namespace gles2
 }  // namespace gpu