Revert "Revert "Revert "TextureView Vulkan support and optimized OpenGL draw"""
This reverts commit 85f9096b5272c9a39e592e2e97cbbe6cb0e767ab.
Reason for revert: lensblur broken.
Change-Id: I83ac163159fc537bc15936a0f8597a7512ca9d6e
diff --git a/libs/hwui/GlLayer.cpp b/libs/hwui/GlLayer.cpp
new file mode 100644
index 0000000..432bb85
--- /dev/null
+++ b/libs/hwui/GlLayer.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "GlLayer.h"
+
+#include "Caches.h"
+#include "RenderNode.h"
+#include "renderstate/RenderState.h"
+
+namespace android {
+namespace uirenderer {
+
+GlLayer::GlLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
+ sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode, bool blend)
+ : Layer(renderState, Api::OpenGL, colorFilter, alpha, mode)
+ , caches(Caches::getInstance())
+ , texture(caches) {
+ texture.mWidth = layerWidth;
+ texture.mHeight = layerHeight;
+ texture.blend = blend;
+}
+
+GlLayer::~GlLayer() {
+ // There's a rare possibility that Caches could have been destroyed already
+ // since this method is queued up as a task.
+ // Since this is a reset method, treat this as non-fatal.
+ if (caches.isInitialized() && texture.mId) {
+ texture.deleteTexture();
+ }
+}
+
+void GlLayer::onGlContextLost() {
+ texture.deleteTexture();
+}
+
+void GlLayer::setRenderTarget(GLenum renderTarget) {
+ if (renderTarget != getRenderTarget()) {
+ // new render target: bind with new target, and update filter/wrap
+ texture.mTarget = renderTarget;
+ if (texture.mId) {
+ caches.textureState().bindTexture(texture.target(), texture.mId);
+ }
+ texture.setFilter(GL_NEAREST, false, true);
+ texture.setWrap(GL_CLAMP_TO_EDGE, false, true);
+ }
+}
+
+void GlLayer::generateTexture() {
+ if (!texture.mId) {
+ glGenTextures(1, &texture.mId);
+ }
+}
+
+}; // namespace uirenderer
+}; // namespace android