Use the std::unordered_map::at method instead of operator[].

It is known that the entry exists in the map, the at operator is slightly faster in this case. BUG=angleproject:2079 Change-Id: I3a64212293fa0320f3df5327e92d11eb7ef28c4f Reviewed-on: https://chromium-review.googlesource.com/543683Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

Use the std::unordered_map::at method instead of operator[].
83dde7b9 · Geoff Lang · Commit Bot · da066657 · 83dde7b9
Commit 83dde7b9 authored Jun 21, 2017 by Geoff Lang Committed by Commit Bot Jun 21, 2017
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StateManagerGL.cpp src/libANGLE/renderer/gl/StateManagerGL.cpp +2 -2

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--- a/src/libANGLE/renderer/gl/StateManagerGL.cpp
+++ b/src/libANGLE/renderer/gl/StateManagerGL.cpp
@@ -813,7 +813,7 @@ void StateManagerGL::setGenericShaderState(const gl::Context *context)
            {
                const TextureGL *textureGL = GetImplAs<TextureGL>(texture);

-                if (mTextures[textureType][textureUnitIndex] != textureGL->getTextureID() ||
+                if (mTextures.at(textureType)[textureUnitIndex] != textureGL->getTextureID() ||
                    texture->hasAnyDirtyBit() || textureGL->hasAnyDirtyBit())
                {
                    activeTexture(textureUnitIndex);
@@ -826,7 +826,7 @@ void StateManagerGL::setGenericShaderState(const gl::Context *context)
            }
            else
            {
-                if (mTextures[textureType][textureUnitIndex] != 0)
+                if (mTextures.at(textureType)[textureUnitIndex] != 0)
                {
                    activeTexture(textureUnitIndex);
                    bindTexture(textureType, 0);