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/*
* Copyright (C) 2010 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.
*/
#pragma once
#include "DeviceInfo.h"
#include "Extensions.h"
#include "FboCache.h"
#include "GammaFontRenderer.h"
#include "GradientCache.h"
#include "PatchCache.h"
#include "ProgramCache.h"
#include "PathCache.h"
#include "RenderBufferCache.h"
#include "renderstate/PixelBufferState.h"
#include "renderstate/TextureState.h"
#include "ResourceCache.h"
#include "TessellationCache.h"
#include "TextDropShadowCache.h"
#include "TextureCache.h"
#include "thread/TaskProcessor.h"
#include "thread/TaskManager.h"
#include <vector>
#include <memory>
#include <GLES3/gl3.h>
#include <utils/KeyedVector.h>
#include <cutils/compiler.h>
#include <SkPath.h>
#include <vector>
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Caches
///////////////////////////////////////////////////////////////////////////////
class RenderNode;
class RenderState;
class ANDROID_API Caches {
public:
static Caches& createInstance(RenderState& renderState) {
LOG_ALWAYS_FATAL_IF(sInstance, "double create of Caches attempted");
sInstance = new Caches(renderState);
return *sInstance;
}
static Caches& getInstance() {
LOG_ALWAYS_FATAL_IF(!sInstance, "instance not yet created");
return *sInstance;
}
static bool hasInstance() {
return sInstance != nullptr;
}
private:
explicit Caches(RenderState& renderState);
static Caches* sInstance;
public:
enum class FlushMode {
Layers = 0,
Moderate,
Full
};
/**
* Initialize caches.
*/
bool init();
bool isInitialized() { return mInitialized; }
/**
* Flush the cache.
*
* @param mode Indicates how much of the cache should be flushed
*/
void flush(FlushMode mode);
/**
* Destroys all resources associated with this cache. This should
* be called after a flush(FlushMode::Full).
*/
void terminate();
/**
* Returns a non-premultiplied ARGB color for the specified
* amount of overdraw (1 for 1x, 2 for 2x, etc.)
*/
uint32_t getOverdrawColor(uint32_t amount) const;
/**
* Call this on each frame to ensure that garbage is deleted from
* GPU memory.
*/
void clearGarbage();
/**
* Can be used to delete a layer from a non EGL thread.
*/
void deleteLayerDeferred(Layer* layer);
/**
* Returns the mesh used to draw regions. Calling this method will
* bind a VBO of type GL_ELEMENT_ARRAY_BUFFER that contains the
* indices for the region mesh.
*/
TextureVertex* getRegionMesh();
/**
* Returns the GL RGBA internal format to use for the current device
* If the device supports linear blending and needSRGB is true,
* this function returns GL_SRGB8_ALPHA8, otherwise it returns GL_RGBA
*/
constexpr GLint rgbaInternalFormat(bool needSRGB = true) const {
return extensions().hasLinearBlending() && needSRGB ? GL_SRGB8_ALPHA8 : GL_RGBA;
}
/**
* Displays the memory usage of each cache and the total sum.
*/
void dumpMemoryUsage();
void dumpMemoryUsage(String8& log);
// Misc
GLint maxTextureSize;
public:
TextureCache textureCache;
RenderBufferCache renderBufferCache;
GradientCache gradientCache;
PatchCache patchCache;
PathCache pathCache;
ProgramCache programCache;
TessellationCache tessellationCache;
TextDropShadowCache dropShadowCache;
FboCache fboCache;
GammaFontRenderer fontRenderer;
TaskManager tasks;
bool gpuPixelBuffersEnabled;
// Debug methods
PFNGLINSERTEVENTMARKEREXTPROC eventMark;
PFNGLPUSHGROUPMARKEREXTPROC startMark;
PFNGLPOPGROUPMARKEREXTPROC endMark;
void setProgram(const ProgramDescription& description);
void setProgram(Program* program);
const Extensions& extensions() const { return DeviceInfo::get()->extensions(); }
Program& program() { return *mProgram; }
PixelBufferState& pixelBufferState() { return *mPixelBufferState; }
TextureState& textureState() { return *mTextureState; }
private:
void initExtensions();
void initConstraints();
void initStaticProperties();
static void eventMarkNull(GLsizei length, const GLchar* marker) { }
static void startMarkNull(GLsizei length, const GLchar* marker) { }
static void endMarkNull() { }
RenderState* mRenderState;
// Used to render layers
std::unique_ptr<TextureVertex[]> mRegionMesh;
mutable Mutex mGarbageLock;
std::vector<Layer*> mLayerGarbage;
bool mInitialized;
// TODO: move below to RenderState
PixelBufferState* mPixelBufferState = nullptr;
TextureState* mTextureState = nullptr;
Program* mProgram = nullptr; // note: object owned by ProgramCache
}; // class Caches
}; // namespace uirenderer
}; // namespace android
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