commit 9926f4bf652e2a526a2f94a85547ed8cfe7d1b7b
author Chris Dalton <csmartdalton@google.com> Wed May 17 15:15:50 2017 -0600
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Thu May 18 16:41:10 2017 +0000
tree a57732d46332fc681de5421b695547753fff06a8
parent a4c93ac535d3b0ed979c7bf666f09aa7dbf1f0eb

Add drawArraysBaseVertexIsBroken flag

A non-zero base vertex in glDrawArrays appears to not always work on
Adreno.

Bug: skia:6650
Change-Id: I301eaba8c7790ed814a2ab8d8c53dd2b9e0d77d1
Reviewed-on: https://skia-review.googlesource.com/17083
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

src/gpu/gl/GrGLCaps.cpp

diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 977670d..ba05316 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -54,6 +54,7 @@
     fSRGBDecodeDisableSupport = false;
     fSRGBDecodeDisableAffectsMipmaps = false;
     fClearToOpaqueBlackIsBroken = false;
+    fDrawArraysBaseVertexIsBroken = false;
 
     fBlitFramebufferFlags = kNoSupport_BlitFramebufferFlag;
 
@@ -573,6 +574,9 @@
         fClearToOpaqueBlackIsBroken = true;
     }
 #endif
+    if (kQualcomm_GrGLVendor == ctxInfo.vendor()) {
+        fDrawArraysBaseVertexIsBroken = true;
+    }
 
     // Requires fTextureRedSupport, fTextureSwizzleSupport, msaa support, ES compatibility have
     // already been detected.