From 3858dd6de2f4d510b42ca8675235469b8b78ed02 Mon Sep 17 00:00:00 2001
From: Nicolas Silva <nsilva@mozilla.com>
Date: Tue, 19 Jun 2018 15:32:29 +0200
Subject: Bug 1464039 - Only reject qcms transform with invalid grid size if
 the transform function uses the grid size. r=Bas a=jcristau

---
 gfx/thebes/gfxPlatform.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'gfx/thebes')

diff --git a/gfx/thebes/gfxPlatform.cpp b/gfx/thebes/gfxPlatform.cpp
index 684117788..171d1bec9 100644
--- a/gfx/thebes/gfxPlatform.cpp
+++ b/gfx/thebes/gfxPlatform.cpp
@@ -156,6 +156,7 @@ static Mutex* gGfxPlatformPrefsLock = nullptr;
 static qcms_profile *gCMSOutputProfile = nullptr;
 static qcms_profile *gCMSsRGBProfile = nullptr;
 
+static bool gCMSRGBTransformFailed = false;
 static qcms_transform *gCMSRGBTransform = nullptr;
 static qcms_transform *gCMSInverseRGBTransform = nullptr;
 static qcms_transform *gCMSRGBATransform = nullptr;
@@ -1856,7 +1857,7 @@ gfxPlatform::GetCMSsRGBProfile()
 qcms_transform *
 gfxPlatform::GetCMSRGBTransform()
 {
-    if (!gCMSRGBTransform) {
+    if (!gCMSRGBTransform && !gCMSRGBTransformFailed) {
         qcms_profile *inProfile, *outProfile;
         outProfile = GetCMSOutputProfile();
         inProfile = GetCMSsRGBProfile();
@@ -1867,6 +1868,9 @@ gfxPlatform::GetCMSRGBTransform()
         gCMSRGBTransform = qcms_transform_create(inProfile, QCMS_DATA_RGB_8,
                                               outProfile, QCMS_DATA_RGB_8,
                                              QCMS_INTENT_PERCEPTUAL);
+        if (!gCMSRGBTransform) {
+            gCMSRGBTransformFailed = true;
+        }
     }
 
     return gCMSRGBTransform;
-- 
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