1 files changed, 58 insertions, 0 deletions
diff --git a/gfx/webrender_bindings/RenderTextureHost.cpp b/gfx/webrender_bindings/RenderTextureHost.cpp
new file mode 100644
index 0000000000..79d33139dd
--- /dev/null
+++ b/gfx/webrender_bindings/RenderTextureHost.cpp
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "RenderTextureHost.h"
+
+#include "GLContext.h"
+#include "RenderThread.h"
+
+namespace mozilla {
+namespace wr {
+
+void ActivateBindAndTexParameteri(gl::GLContext* aGL, GLenum aActiveTexture,
+                                  GLenum aBindTarget, GLuint aBindTexture,
+                                  wr::ImageRendering aRendering) {
+  aGL->fActiveTexture(aActiveTexture);
+  aGL->fBindTexture(aBindTarget, aBindTexture);
+  aGL->fTexParameteri(aBindTarget, LOCAL_GL_TEXTURE_MIN_FILTER,
+                      aRendering == wr::ImageRendering::Pixelated
+                          ? LOCAL_GL_NEAREST
+                          : LOCAL_GL_LINEAR);
+  aGL->fTexParameteri(aBindTarget, LOCAL_GL_TEXTURE_MAG_FILTER,
+                      aRendering == wr::ImageRendering::Pixelated
+                          ? LOCAL_GL_NEAREST
+                          : LOCAL_GL_LINEAR);
+}
+
+RenderTextureHost::RenderTextureHost()
+    : mCachedRendering(wr::ImageRendering::Auto) {
+  MOZ_COUNT_CTOR(RenderTextureHost);
+}
+
+RenderTextureHost::~RenderTextureHost() {
+  MOZ_ASSERT(RenderThread::IsInRenderThread());
+  MOZ_COUNT_DTOR(RenderTextureHost);
+}
+
+bool RenderTextureHost::IsFilterUpdateNecessary(wr::ImageRendering aRendering) {
+  return mCachedRendering != aRendering;
+}
+
+wr::WrExternalImage RenderTextureHost::Lock(uint8_t aChannelIndex,
+                                            gl::GLContext* aGL,
+                                            wr::ImageRendering aRendering) {
+  return InvalidToWrExternalImage();
+}
+
+wr::WrExternalImage RenderTextureHost::LockSWGL(uint8_t aChannelIndex,
+                                                void* aContext,
+                                                RenderCompositor* aCompositor,
+                                                wr::ImageRendering aRendering) {
+  return InvalidToWrExternalImage();
+}
+
+}  // namespace wr
+}  // namespace mozilla