Only call glInvalidateFramebuffer if it is available.

BUG=angleproject:885 Change-Id: I30a9bcebc80805aea0c12d9c67194b7b0c98200f Reviewed-on: https://chromium-review.googlesource.com/263475Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

Only call glInvalidateFramebuffer if it is available.
64a7244d · Geoff Lang · 33d12cb9 · 64a7244d
Commit 64a7244d authored Apr 01, 2015 by Geoff Lang
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Showing with 14 additions and 4 deletions

FramebufferGL.cpp src/libANGLE/renderer/gl/FramebufferGL.cpp +14 -4

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--- a/src/libANGLE/renderer/gl/FramebufferGL.cpp
+++ b/src/libANGLE/renderer/gl/FramebufferGL.cpp
@@ -149,15 +149,25 @@ void FramebufferGL::setReadBuffer(GLenum buffer)
 gl::Error FramebufferGL::invalidate(size_t count, const GLenum *attachments)
 {
-    mStateManager->bindFramebuffer(GL_FRAMEBUFFER, mFramebufferID);
+    // Since this function is just a hint and not available until OpenGL 4.3, only call it if it is available.
-    mFunctions->invalidateFramebuffer(GL_FRAMEBUFFER, count, attachments);
+    if (mFunctions->invalidateFramebuffer)
+    {
+        mStateManager->bindFramebuffer(GL_FRAMEBUFFER, mFramebufferID);
+        mFunctions->invalidateFramebuffer(GL_FRAMEBUFFER, count, attachments);
+    }
    return gl::Error(GL_NO_ERROR);
 }
 gl::Error FramebufferGL::invalidateSub(size_t count, const GLenum *attachments, const gl::Rectangle &area)
 {
-    mStateManager->bindFramebuffer(GL_FRAMEBUFFER, mFramebufferID);
+    // Since this function is just a hint and not available until OpenGL 4.3, only call it if it is available.
-    mFunctions->invalidateSubFramebuffer(GL_FRAMEBUFFER, count, attachments, area.x, area.y, area.width, area.height);
+    if (mFunctions->invalidateSubFramebuffer)
+    {
+        mStateManager->bindFramebuffer(GL_FRAMEBUFFER, mFramebufferID);
+        mFunctions->invalidateSubFramebuffer(GL_FRAMEBUFFER, count, attachments, area.x, area.y, area.width, area.height);
+    }
    return gl::Error(GL_NO_ERROR);
 }