Adds tracking of number of unrenderable textures so...

gpu/command_buffer/service/texture_manager.cc

 // Copyright (c) 2010 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 "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/context_group.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
@@ skipping 245 matching lines @@
 TextureManager::TextureManager(
     GLint max_texture_size,
     GLint max_cube_map_texture_size)
     : max_texture_size_(max_texture_size),
       max_cube_map_texture_size_(max_cube_map_texture_size),
       max_levels_(ComputeMipMapCount(max_texture_size,
                                      max_texture_size,
                                      max_texture_size)),
       max_cube_map_levels_(ComputeMipMapCount(max_cube_map_texture_size,
                                               max_cube_map_texture_size,
-                                              max_cube_map_texture_size)) {
+                                              max_cube_map_texture_size)),
+      num_unrenderable_textures_(0) {
   default_texture_2d_ = TextureInfo::Ref(new TextureInfo(0));
   SetInfoTarget(default_texture_2d_, GL_TEXTURE_2D);
   default_texture_2d_->SetLevelInfo(
     GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE);
   default_texture_cube_map_ = TextureInfo::Ref(new TextureInfo(0));
   SetInfoTarget(default_texture_cube_map_, GL_TEXTURE_CUBE_MAP);
   for (int ii = 0; ii < GLES2Util::kNumFaces; ++ii) {
     default_texture_cube_map_->SetLevelInfo(
       GLES2Util::IndexToGLFaceTarget(ii),
       0, GL_RGBA, 1, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE);
@@ skipping 13 matching lines @@
          height <= max_size &&
          depth <= max_size &&
          (level == 0 ||
           (!GLES2Util::IsNPOT(width) &&
            !GLES2Util::IsNPOT(height) &&
            !GLES2Util::IsNPOT(depth))) &&
          (target != GL_TEXTURE_CUBE_MAP || (width == height && depth == 1)) &&
          (target != GL_TEXTURE_2D || (depth == 1));
 }
 
+void TextureManager::SetLevelInfo(
+    TextureManager::TextureInfo* info,
+    GLenum target,
+    GLint level,
+    GLint internal_format,
+    GLsizei width,
+    GLsizei height,
+    GLsizei depth,
+    GLint border,
+    GLenum format,
+    GLenum type) {
+  DCHECK(info);
+  DCHECK(!info->IsDeleted());
+  if (!info->CanRender()) {
+    --num_unrenderable_textures_;
+  }
+  info->SetLevelInfo(
+      target, level, internal_format, width, height, depth,
+      border, format, type);
+  if (!info->CanRender()) {
+    ++num_unrenderable_textures_;
+  }
+}
+
+void TextureManager::SetParameter(
+    TextureManager::TextureInfo* info, GLenum pname, GLint param) {
+  DCHECK(info);
+  DCHECK(!info->IsDeleted());
+  if (!info->CanRender()) {
+    --num_unrenderable_textures_;
+  }
+  info->SetParameter(pname, param);
+  if (!info->CanRender()) {
+    ++num_unrenderable_textures_;
+  }
+}
+
+bool TextureManager::MarkMipmapsGenerated(TextureManager::TextureInfo* info) {
+  DCHECK(info);
+  DCHECK(!info->IsDeleted());
+  if (!info->CanRender()) {
+    --num_unrenderable_textures_;
+  }
+  bool result = info->MarkMipmapsGenerated();
+  if (!info->CanRender()) {
+    ++num_unrenderable_textures_;
+  }
+  return result;
+}
+
 TextureManager::TextureInfo* TextureManager::CreateTextureInfo(
     GLuint client_id, GLuint service_id) {
   TextureInfo::Ref info(new TextureInfo(service_id));
   std::pair<TextureInfoMap::iterator, bool> result =
       texture_infos_.insert(std::make_pair(client_id, info));
   DCHECK(result.second);
+  if (!info->CanRender()) {
+    ++num_unrenderable_textures_;
+  }
   return info.get();
 }
 
 TextureManager::TextureInfo* TextureManager::GetTextureInfo(
     GLuint client_id) {
   TextureInfoMap::iterator it = texture_infos_.find(client_id);
   return it != texture_infos_.end() ? it->second : NULL;
 }
 
 void TextureManager::RemoveTextureInfo(GLuint client_id) {
   TextureInfoMap::iterator it = texture_infos_.find(client_id);
   if (it != texture_infos_.end()) {
-    it->second->MarkAsDeleted();
+    TextureInfo* info = it->second;
+    if (!info->CanRender()) {
+      --num_unrenderable_textures_;
+    }
+    info->MarkAsDeleted();
     texture_infos_.erase(it);
   }
 }
 
 bool TextureManager::GetClientId(GLuint service_id, GLuint* client_id) const {
   // This doesn't need to be fast. It's only used during slow queries.
   for (TextureInfoMap::const_iterator it = texture_infos_.begin();
        it != texture_infos_.end(); ++it) {
     if (it->second->service_id() == service_id) {
       *client_id = it->first;
       return true;
     }
   }
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu