Unbind xfer buffer before trying to call TexImage2D

Bug: skia:
Change-Id: Ie36cebc14c4f4e47f143ae79efbea7088637acf4
Reviewed-on: https://skia-review.googlesource.com/42523
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp
index ec52f92cd7..af7156c759 100644
--- a/src/gpu/gl/GrGLGpu.cpp
+++ b/src/gpu/gl/GrGLGpu.cpp
@@ -1480,6 +1480,14 @@ int GrGLGpu::getCompatibleStencilIndex(GrPixelConfig config) {
     if (!this->glCaps().hasStencilFormatBeenDeterminedForConfig(config)) {
         // Default to unsupported, set this if we find a stencil format that works.
         int firstWorkingStencilFormatIndex = -1;
+
+        // unbind any previous transfer buffer
+        auto& xferBufferState = fHWBufferState[kXferCpuToGpu_GrBufferType];
+        if (!xferBufferState.fBoundBufferUniqueID.isInvalid()) {
+            GL_CALL(BindBuffer(xferBufferState.fGLTarget, 0));
+            xferBufferState.invalidate();
+        }
+
         // Create color texture
         GrGLuint colorID = 0;
         GL_CALL(GenTextures(1, &colorID));