When setting up a copySurface dst texture make the orientation match the src when glBlitFramebuffer requires it

BUG=chromium:618122
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2049753002

Review-Url: https://codereview.chromium.org/2049753002

1 files changed, 8 insertions, 2 deletions

diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp
index 8aec4d684d..dcad9ce5a4 100644
--- a/src/gpu/gl/GrGLGpu.cpp
+++ b/src/gpu/gl/GrGLGpu.cpp
@@ -3575,13 +3575,19 @@ bool GrGLGpu::initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc)
     // texture. This code prefers CopyTexSubImage to fbo blit and avoids triggering temporary fbo
     // creation. It isn't clear that avoiding temporary fbo creation is actually optimal.
 
+    GrSurfaceOrigin originForBlitFramebuffer = kDefault_GrSurfaceOrigin;
+    if (this->glCaps().blitFramebufferSupport() ==
+	GrGLCaps::kNoScalingNoMirroring_BlitFramebufferSupport) {
+        originForBlitFramebuffer = src->origin();
+    }
+
     // Check for format issues with glCopyTexSubImage2D
     if (kGLES_GrGLStandard == this->glStandard() && this->glCaps().bgraIsInternalFormat() &&
         kBGRA_8888_GrPixelConfig == src->config()) {
         // glCopyTexSubImage2D doesn't work with this config. If the bgra can be used with fbo blit
         // then we set up for that, otherwise fail.
         if (this->caps()->isConfigRenderable(kBGRA_8888_GrPixelConfig, false)) {
-            desc->fOrigin = kDefault_GrSurfaceOrigin;
+            desc->fOrigin = originForBlitFramebuffer;
             desc->fFlags = kRenderTarget_GrSurfaceFlag;
             desc->fConfig = kBGRA_8888_GrPixelConfig;
             return true;
@@ -3597,7 +3603,7 @@ bool GrGLGpu::initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc)
         // It's illegal to call CopyTexSubImage2D on a MSAA renderbuffer. Set up for FBO blit or
         // fail.
         if (this->caps()->isConfigRenderable(src->config(), false)) {
-            desc->fOrigin = kDefault_GrSurfaceOrigin;
+            desc->fOrigin = originForBlitFramebuffer;
             desc->fFlags = kRenderTarget_GrSurfaceFlag;
             desc->fConfig = src->config();
             return true;