commit 4e25a0d6cf2e5facdce4f90cb28b024bade1b55f
author Jamie Madill <jmadill@chromium.org> Tue Mar 08 13:53:03 2016 -0500
committer Commit Bot <commit-bot@chromium.org> Thu Mar 10 02:43:24 2016 +0000
tree e0be71ed75d2c8fae884f8dd7bfbf627cafa16fc
parent 0e49e6b5f00ed93e72a3b66ab8e8b510b2581a42

Use std::unordered_map in ResourceManager.

The hashed query performs significantly faster than std::map.
This improves performance in applications which use Bind* often.

Also use the same scheme for the Context-managed resources.

BUG=angleproject:1333

Change-Id: I8a1f25d80e060c62dab1f86005e1bc4df1c06dba
Reviewed-on: https://chromium-review.googlesource.com/331387
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

src/libANGLE/Context.cpp

diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index 031b98e..dba4aa9 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -567,7 +567,7 @@
 
 void Context::deleteFramebuffer(GLuint framebuffer)
 {
-    FramebufferMap::iterator framebufferObject = mFramebufferMap.find(framebuffer);
+    auto framebufferObject = mFramebufferMap.find(framebuffer);
 
     if (framebufferObject != mFramebufferMap.end())
     {
@@ -581,7 +581,7 @@
 
 void Context::deleteFenceNV(GLuint fence)
 {
-    FenceNVMap::iterator fenceObject = mFenceNVMap.find(fence);
+    auto fenceObject = mFenceNVMap.find(fence);
 
     if (fenceObject != mFenceNVMap.end())
     {
@@ -593,7 +593,7 @@
 
 void Context::deleteQuery(GLuint query)
 {
-    QueryMap::iterator queryObject = mQueryMap.find(query);
+    auto queryObject = mQueryMap.find(query);
     if (queryObject != mQueryMap.end())
     {
         mQueryHandleAllocator.release(queryObject->first);
@@ -915,7 +915,7 @@
 
 FenceNV *Context::getFenceNV(unsigned int handle)
 {
-    FenceNVMap::iterator fence = mFenceNVMap.find(handle);
+    auto fence = mFenceNVMap.find(handle);
 
     if (fence == mFenceNVMap.end())
     {
@@ -929,7 +929,7 @@
 
 Query *Context::getQuery(unsigned int handle, bool create, GLenum type)
 {
-    QueryMap::iterator query = mQueryMap.find(handle);
+    auto query = mQueryMap.find(handle);
 
     if (query == mQueryMap.end())
     {