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/renderstate/PixelBufferState.cpp b/libs/hwui/renderstate/PixelBufferState.cpp
new file mode 100644
index 0000000..3a6efb8
--- /dev/null
+++ b/libs/hwui/renderstate/PixelBufferState.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2015 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 "renderstate/PixelBufferState.h"
+
+namespace android {
+namespace uirenderer {
+
+PixelBufferState::PixelBufferState() : mCurrentPixelBuffer(0) {}
+
+bool PixelBufferState::bind(GLuint buffer) {
+ if (mCurrentPixelBuffer != buffer) {
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);
+ mCurrentPixelBuffer = buffer;
+ return true;
+ }
+ return false;
+}
+
+bool PixelBufferState::unbind() {
+ if (mCurrentPixelBuffer) {
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
+ mCurrentPixelBuffer = 0;
+ return true;
+ }
+ return false;
+}
+
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/renderstate/PixelBufferState.h b/libs/hwui/renderstate/PixelBufferState.h
new file mode 100644
index 0000000..f7ae6c5
--- /dev/null
+++ b/libs/hwui/renderstate/PixelBufferState.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+#ifndef RENDERSTATE_PIXELBUFFERSTATE_H
+#define RENDERSTATE_PIXELBUFFERSTATE_H
+
+#include <GLES3/gl3.h>
+
+namespace android {
+namespace uirenderer {
+
+class PixelBufferState {
+ friend class Caches; // TODO: move to RenderState
+public:
+ bool bind(GLuint buffer);
+ bool unbind();
+
+private:
+ PixelBufferState();
+ GLuint mCurrentPixelBuffer;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif // RENDERSTATE_PIXELBUFFERSTATE_H
diff --git a/libs/hwui/renderstate/RenderState.cpp b/libs/hwui/renderstate/RenderState.cpp
index b524bcb..3be84f58 100644
--- a/libs/hwui/renderstate/RenderState.cpp
+++ b/libs/hwui/renderstate/RenderState.cpp
@@ -16,6 +16,8 @@
#include "renderstate/RenderState.h"
#include <GpuMemoryTracker.h>
#include "DeferredLayerUpdater.h"
+#include "GlLayer.h"
+#include "VkLayer.h"
#include "Snapshot.h"
#include "renderthread/CanvasContext.h"
@@ -37,11 +39,44 @@
RenderState::~RenderState() {
}
-void RenderState::onContextCreated() {
+void RenderState::onGLContextCreated() {
+ GpuMemoryTracker::onGpuContextCreated();
+
+ // This is delayed because the first access of Caches makes GL calls
+ if (!mCaches) {
+ mCaches = &Caches::createInstance(*this);
+ }
+ mCaches->init();
+}
+
+static void layerLostGlContext(Layer* layer) {
+ LOG_ALWAYS_FATAL_IF(layer->getApi() != Layer::Api::OpenGL,
+ "layerLostGlContext on non GL layer");
+ static_cast<GlLayer*>(layer)->onGlContextLost();
+}
+
+void RenderState::onGLContextDestroyed() {
+ // TODO: reset all cached state in state objects
+ std::for_each(mActiveLayers.begin(), mActiveLayers.end(), layerLostGlContext);
+
+ mCaches->terminate();
+
+ destroyLayersInUpdater();
+ GpuMemoryTracker::onGpuContextDestroyed();
+}
+
+void RenderState::onVkContextCreated() {
GpuMemoryTracker::onGpuContextCreated();
}
-void RenderState::onContextDestroyed() {
+static void layerDestroyedVkContext(Layer* layer) {
+ LOG_ALWAYS_FATAL_IF(layer->getApi() != Layer::Api::Vulkan,
+ "layerLostVkContext on non Vulkan layer");
+ static_cast<VkLayer*>(layer)->onVkContextDestroyed();
+}
+
+void RenderState::onVkContextDestroyed() {
+ std::for_each(mActiveLayers.begin(), mActiveLayers.end(), layerDestroyedVkContext);
destroyLayersInUpdater();
GpuMemoryTracker::onGpuContextDestroyed();
}
@@ -50,6 +85,10 @@
return mRenderThread.getGrContext();
}
+void RenderState::flush(Caches::FlushMode mode) {
+ if (mCaches) mCaches->flush(mode);
+}
+
void RenderState::onBitmapDestroyed(uint32_t pixelRefId) {
// DEAD CODE
}
@@ -87,6 +126,42 @@
glDeleteFramebuffers(1, &fbo);
}
+void RenderState::invokeFunctor(Functor* functor, DrawGlInfo::Mode mode, DrawGlInfo* info) {
+ if (mode == DrawGlInfo::kModeProcessNoContext) {
+ // If there's no context we don't need to interrupt as there's
+ // no gl state to save/restore
+ (*functor)(mode, info);
+ } else {
+ interruptForFunctorInvoke();
+ (*functor)(mode, info);
+ resumeFromFunctorInvoke();
+ }
+}
+
+void RenderState::interruptForFunctorInvoke() {
+ mCaches->textureState().resetActiveTexture();
+ debugOverdraw(false, false);
+ // TODO: We need a way to know whether the functor is sRGB aware (b/32072673)
+ if (mCaches->extensions().hasLinearBlending() && mCaches->extensions().hasSRGBWriteControl()) {
+ glDisable(GL_FRAMEBUFFER_SRGB_EXT);
+ }
+}
+
+void RenderState::resumeFromFunctorInvoke() {
+ if (mCaches->extensions().hasLinearBlending() && mCaches->extensions().hasSRGBWriteControl()) {
+ glEnable(GL_FRAMEBUFFER_SRGB_EXT);
+ }
+
+ glViewport(0, 0, mViewportWidth, mViewportHeight);
+ glBindFramebuffer(GL_FRAMEBUFFER, mFramebuffer);
+ debugOverdraw(false, false);
+
+ glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+
+ mCaches->textureState().activateTexture(0);
+ mCaches->textureState().resetBoundTextures();
+}
+
void RenderState::debugOverdraw(bool enable, bool clear) {
// DEAD CODE
}
@@ -115,9 +190,5 @@
// DEAD CODE
}
-renderthread::RenderThread& RenderState::getRenderThread() {
- return mRenderThread;
-}
-
} /* namespace uirenderer */
} /* namespace android */
diff --git a/libs/hwui/renderstate/RenderState.h b/libs/hwui/renderstate/RenderState.h
index f39aa4b..97785a4 100644
--- a/libs/hwui/renderstate/RenderState.h
+++ b/libs/hwui/renderstate/RenderState.h
@@ -16,6 +16,8 @@
#ifndef RENDERSTATE_H
#define RENDERSTATE_H
+#include "Caches.h"
+#include "renderstate/PixelBufferState.h"
#include "utils/Macros.h"
#include <GLES2/gl2.h>
@@ -32,6 +34,7 @@
namespace android {
namespace uirenderer {
+class Caches;
class Layer;
class DeferredLayerUpdater;
@@ -41,16 +44,22 @@
class RenderThread;
}
+// TODO: Replace Cache's GL state tracking with this. For now it's more a thin
// wrapper of Caches for users to migrate to.
class RenderState {
PREVENT_COPY_AND_ASSIGN(RenderState);
friend class renderthread::RenderThread;
+ friend class Caches;
friend class renderthread::CacheManager;
public:
- void onContextCreated();
- void onContextDestroyed();
+ void onGLContextCreated();
+ void onGLContextDestroyed();
+ void onVkContextCreated();
+ void onVkContextDestroyed();
+
+ void flush(Caches::FlushMode flushMode);
void onBitmapDestroyed(uint32_t pixelRefId);
void setViewport(GLsizei width, GLsizei height);
@@ -61,6 +70,8 @@
GLuint createFramebuffer();
void deleteFramebuffer(GLuint fbo);
+ void invokeFunctor(Functor* functor, DrawGlInfo::Mode mode, DrawGlInfo* info);
+
void debugOverdraw(bool enable, bool clear);
void registerLayer(Layer* layer) { mActiveLayers.insert(layer); }
@@ -90,15 +101,16 @@
void dump();
- renderthread::RenderThread& getRenderThread();
-
private:
+ void interruptForFunctorInvoke();
+ void resumeFromFunctorInvoke();
void destroyLayersInUpdater();
explicit RenderState(renderthread::RenderThread& thread);
~RenderState();
renderthread::RenderThread& mRenderThread;
+ Caches* mCaches = nullptr;
std::set<Layer*> mActiveLayers;
std::set<DeferredLayerUpdater*> mActiveLayerUpdaters;
diff --git a/libs/hwui/renderstate/TextureState.cpp b/libs/hwui/renderstate/TextureState.cpp
new file mode 100644
index 0000000..470b4f5
--- /dev/null
+++ b/libs/hwui/renderstate/TextureState.cpp
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2015 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 "renderstate/TextureState.h"
+
+#include "Caches.h"
+#include "utils/TraceUtils.h"
+
+#include <GLES3/gl3.h>
+#include <SkBitmap.h>
+#include <SkCanvas.h>
+#include <memory>
+
+namespace android {
+namespace uirenderer {
+
+// Width of mShadowLutTexture, defines how accurate the shadow alpha lookup table is
+static const int SHADOW_LUT_SIZE = 128;
+
+// Must define as many texture units as specified by kTextureUnitsCount
+const GLenum kTextureUnits[] = {GL_TEXTURE0, GL_TEXTURE1, GL_TEXTURE2, GL_TEXTURE3};
+
+TextureState::TextureState() : mTextureUnit(0) {
+ glActiveTexture(kTextureUnits[0]);
+ resetBoundTextures();
+
+ GLint maxTextureUnits;
+ glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits);
+ LOG_ALWAYS_FATAL_IF(maxTextureUnits < kTextureUnitsCount,
+ "At least %d texture units are required!", kTextureUnitsCount);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+}
+
+TextureState::~TextureState() {
+ if (mShadowLutTexture != nullptr) {
+ mShadowLutTexture->deleteTexture();
+ }
+}
+
+/**
+ * Maps shadow geometry 'alpha' varying (1 for darkest, 0 for transparent) to
+ * darkness at that spot. Input values of 0->1 should be mapped within the same
+ * range, but can affect the curve for a different visual falloff.
+ *
+ * This is used to populate the shadow LUT texture for quick lookup in the
+ * shadow shader.
+ */
+static float computeShadowOpacity(float ratio) {
+ // exponential falloff function provided by UX
+ float val = 1 - ratio;
+ return exp(-val * val * 4.0) - 0.018;
+}
+
+void TextureState::constructTexture(Caches& caches) {
+ if (mShadowLutTexture == nullptr) {
+ mShadowLutTexture.reset(new Texture(caches));
+
+ unsigned char bytes[SHADOW_LUT_SIZE];
+ for (int i = 0; i < SHADOW_LUT_SIZE; i++) {
+ float inputRatio = i / (SHADOW_LUT_SIZE - 1.0f);
+ bytes[i] = computeShadowOpacity(inputRatio) * 255;
+ }
+ mShadowLutTexture->upload(GL_ALPHA, SHADOW_LUT_SIZE, 1, GL_ALPHA, GL_UNSIGNED_BYTE, &bytes);
+ mShadowLutTexture->setFilter(GL_LINEAR);
+ mShadowLutTexture->setWrap(GL_CLAMP_TO_EDGE);
+ }
+}
+
+void TextureState::activateTexture(GLuint textureUnit) {
+ LOG_ALWAYS_FATAL_IF(textureUnit >= kTextureUnitsCount,
+ "Tried to use texture unit index %d, only %d exist", textureUnit,
+ kTextureUnitsCount);
+ if (mTextureUnit != textureUnit) {
+ glActiveTexture(kTextureUnits[textureUnit]);
+ mTextureUnit = textureUnit;
+ }
+}
+
+void TextureState::resetActiveTexture() {
+ mTextureUnit = -1;
+}
+
+void TextureState::bindTexture(GLuint texture) {
+ if (mBoundTextures[mTextureUnit] != texture) {
+ glBindTexture(GL_TEXTURE_2D, texture);
+ mBoundTextures[mTextureUnit] = texture;
+ }
+}
+
+void TextureState::bindTexture(GLenum target, GLuint texture) {
+ if (target == GL_TEXTURE_2D) {
+ bindTexture(texture);
+ } else {
+ // GLConsumer directly calls glBindTexture() with
+ // target=GL_TEXTURE_EXTERNAL_OES, don't cache this target
+ // since the cached state could be stale
+ glBindTexture(target, texture);
+ }
+}
+
+void TextureState::deleteTexture(GLuint texture) {
+ // When glDeleteTextures() is called on a currently bound texture,
+ // OpenGL ES specifies that the texture is then considered unbound
+ // Consider the following series of calls:
+ //
+ // glGenTextures -> creates texture name 2
+ // glBindTexture(2)
+ // glDeleteTextures(2) -> 2 is now unbound
+ // glGenTextures -> can return 2 again
+ //
+ // If we don't call glBindTexture(2) after the second glGenTextures
+ // call, any texture operation will be performed on the default
+ // texture (name=0)
+
+ unbindTexture(texture);
+
+ glDeleteTextures(1, &texture);
+}
+
+void TextureState::resetBoundTextures() {
+ for (int i = 0; i < kTextureUnitsCount; i++) {
+ mBoundTextures[i] = 0;
+ }
+}
+
+void TextureState::unbindTexture(GLuint texture) {
+ for (int i = 0; i < kTextureUnitsCount; i++) {
+ if (mBoundTextures[i] == texture) {
+ mBoundTextures[i] = 0;
+ }
+ }
+}
+
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/renderstate/TextureState.h b/libs/hwui/renderstate/TextureState.h
new file mode 100644
index 0000000..f1996d4
--- /dev/null
+++ b/libs/hwui/renderstate/TextureState.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+#ifndef RENDERSTATE_TEXTURESTATE_H
+#define RENDERSTATE_TEXTURESTATE_H
+
+#include "Texture.h"
+#include "Vertex.h"
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <memory>
+
+namespace android {
+namespace uirenderer {
+
+class Texture;
+
+class TextureState {
+ friend class Caches; // TODO: move to RenderState
+public:
+ void constructTexture(Caches& caches);
+
+ /**
+ * Activate the specified texture unit. The texture unit must
+ * be specified using an integer number (0 for GL_TEXTURE0 etc.)
+ */
+ void activateTexture(GLuint textureUnit);
+
+ /**
+ * Invalidate the cached value of the active texture unit.
+ */
+ void resetActiveTexture();
+
+ /**
+ * Binds the specified texture as a GL_TEXTURE_2D texture.
+ * All texture bindings must be performed with this method or
+ * bindTexture(GLenum, GLuint).
+ */
+ void bindTexture(GLuint texture);
+
+ /**
+ * Binds the specified texture with the specified render target.
+ * All texture bindings must be performed with this method or
+ * bindTexture(GLuint).
+ */
+ void bindTexture(GLenum target, GLuint texture);
+
+ /**
+ * Deletes the specified texture and clears it from the cache
+ * of bound textures.
+ * All textures must be deleted using this method.
+ */
+ void deleteTexture(GLuint texture);
+
+ /**
+ * Signals that the cache of bound textures should be cleared.
+ * Other users of the context may have altered which textures are bound.
+ */
+ void resetBoundTextures();
+
+ /**
+ * Clear the cache of bound textures.
+ */
+ void unbindTexture(GLuint texture);
+
+ Texture* getShadowLutTexture() { return mShadowLutTexture.get(); }
+
+private:
+ // total number of texture units available for use
+ static const int kTextureUnitsCount = 4;
+
+ TextureState();
+ ~TextureState();
+ GLuint mTextureUnit;
+
+ // Caches texture bindings for the GL_TEXTURE_2D target
+ GLuint mBoundTextures[kTextureUnitsCount];
+
+ std::unique_ptr<Texture> mShadowLutTexture;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif // RENDERSTATE_BLEND_H