commit ec6bae71fb25efdf8e39b1341053b6908526f27a
author Geoff Lang <geofflang@chromium.org> Wed Apr 29 13:54:15 2015 -0400
committer Geoff Lang <geofflang@chromium.org> Wed Apr 29 20:05:21 2015 +0000
tree c9320c5f7356c67ae1a5f3da6a8b28df5fa977b2
parent 3799c3014a9e4ba4a3853c014a7127254ec19d50

Default buffer usage to GL_STATIC_DRAW.

Calling glGetBufferParameteriv with GL_BUFFER_USAGE on a buffer that has never
had glBufferData called on it should return GL_STATIC_DRAW.
[ES 2.0.25 spec, table 6.3]

Fixes:
dEQP-GLES2.functional.state_query.buffer_object.buffer_usage_getbufferparameteri

Change-Id: I1bf1614b606d20338bb507861164c6ab0b64122f
Reviewed-on: https://chromium-review.googlesource.com/267816
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>

src/libANGLE/Buffer.cpp

diff --git a/src/libANGLE/Buffer.cpp b/src/libANGLE/Buffer.cpp
index 623b411..30dcbdc 100644
--- a/src/libANGLE/Buffer.cpp
+++ b/src/libANGLE/Buffer.cpp
@@ -18,7 +18,7 @@
 Buffer::Buffer(rx::BufferImpl *impl, GLuint id)
     : RefCountObject(id),
       mBuffer(impl),
-      mUsage(GL_DYNAMIC_DRAW),
+      mUsage(GL_STATIC_DRAW),
       mSize(0),
       mAccessFlags(0),
       mAccess(GL_WRITE_ONLY_OES),