src/OpenGL/common/Image.hpp - SwiftShader - Git at Google

 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
 //
 // 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 egl_Image_hpp
 #define egl_Image_hpp

 #include "libEGL/Texture.hpp"
 #include "Renderer/Surface.hpp"

 #include <GLES3/gl3.h>
 #include <GLES2/gl2ext.h>

 #if defined(__ANDROID__)
 #include <system/window.h>
 #include "../../Common/GrallocAndroid.hpp"
 #include "../../Common/DebugAndroid.hpp"
 #define LOGLOCK(fmt, ...) // ALOGI(fmt " tid=%d", ##__VA_ARGS__, gettid())
 #else
 #include <assert.h>
 #define LOGLOCK(...)
 #endif

 // Implementation-defined formats
 #define SW_YV12_BT601 0x32315659   // YCrCb 4:2:0 Planar, 16-byte aligned, BT.601 color space, studio swing
 #define SW_YV12_BT709 0x48315659   // YCrCb 4:2:0 Planar, 16-byte aligned, BT.709 color space, studio swing
 #define SW_YV12_JFIF  0x4A315659   // YCrCb 4:2:0 Planar, 16-byte aligned, BT.601 color space, full swing

 namespace egl
 {

 class Context;

 sw::Format ConvertFormatType(GLenum format, GLenum type);
 sw::Format SelectInternalFormat(GLenum format, GLenum type);
 GLsizei ComputePitch(GLsizei width, GLenum format, GLenum type, GLint alignment);
 GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format);
 size_t ComputePackingOffset(GLenum format, GLenum type, GLsizei width, GLsizei height, GLint alignment, GLint skipImages, GLint skipRows, GLint skipPixels);

 class [[clang::lto_visibility_public]] Image : public sw::Surface, public gl::Object
 {
 protected:
 	// 2D texture image
 	Image(Texture *parentTexture, GLsizei width, GLsizei height, GLenum format, GLenum type)
 		: sw::Surface(parentTexture->getResource(), width, height, 1, SelectInternalFormat(format, type), true, true),
 		  width(width), height(height), format(format), type(type), internalFormat(SelectInternalFormat(format, type)), depth(1),
 		  parentTexture(parentTexture)
 	{
 		shared = false;
 		Object::addRef();
 		parentTexture->addRef();
 	}

 	// 3D texture image
 	Image(Texture *parentTexture, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type)
 		: sw::Surface(parentTexture->getResource(), width, height, depth, SelectInternalFormat(format, type), true, true),
 		  width(width), height(height), format(format), type(type), internalFormat(SelectInternalFormat(format, type)), depth(depth),
 		  parentTexture(parentTexture)
 	{
 		shared = false;
 		Object::addRef();
 		parentTexture->addRef();
 	}

 	// Native EGL image
 	Image(GLsizei width, GLsizei height, GLenum format, GLenum type, int pitchP)
 		: sw::Surface(nullptr, width, height, 1, SelectInternalFormat(format, type), true, true, pitchP),
 		  width(width), height(height), format(format), type(type), internalFormat(SelectInternalFormat(format, type)), depth(1),
 		  parentTexture(nullptr)
 	{
 		shared = true;
 		Object::addRef();
 	}

 	// Render target
 	Image(GLsizei width, GLsizei height, sw::Format internalFormat, int multiSampleDepth, bool lockable)
 		: sw::Surface(nullptr, width, height, multiSampleDepth, internalFormat, lockable, true),
 		  width(width), height(height), format(0 /*GL_NONE*/), type(0 /*GL_NONE*/), internalFormat(internalFormat), depth(multiSampleDepth),
 		  parentTexture(nullptr)
 	{
 		shared = false;
 		Object::addRef();
 	}

 public:
 	// 2D texture image
 	static Image *create(Texture *parentTexture, GLsizei width, GLsizei height, GLenum format, GLenum type);

 	// 3D texture image
 	static Image *create(Texture *parentTexture, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type);

 	// Native EGL image
 	static Image *create(GLsizei width, GLsizei height, GLenum format, GLenum type, int pitchP);

 	// Render target
 	static Image *create(GLsizei width, GLsizei height, sw::Format internalFormat, int multiSampleDepth, bool lockable);

 	GLsizei getWidth() const
 	{
 		return width;
 	}

 	GLsizei getHeight() const
 	{
 		return height;
 	}

 	int getDepth() const
 	{
 		// FIXME: add member if the depth dimension (for 3D textures or 2D testure arrays)
 		// and multi sample depth are ever simultaneously required.
 		return depth;
 	}

 	GLenum getFormat() const
 	{
 		return format;
 	}

 	GLenum getType() const
 	{
 		return type;
 	}

 	sw::Format getInternalFormat() const
 	{
 		return internalFormat;
 	}

 	bool isShared() const
 	{
 		return shared;
 	}

 	void markShared()
 	{
 		shared = true;
 	}

 	virtual void *lock(unsigned int left, unsigned int top, sw::Lock lock)
 	{
 		return lockExternal(left, top, 0, lock, sw::PUBLIC);
 	}

 	unsigned int getPitch() const
 	{
 		return getExternalPitchB();
 	}

 	virtual void unlock()
 	{
 		unlockExternal();
 	}

 	void *lockInternal(int x, int y, int z, sw::Lock lock, sw::Accessor client) override = 0;
 	void unlockInternal() override = 0;

 	struct UnpackInfo
 	{
 		UnpackInfo() : alignment(4), rowLength(0), imageHeight(0), skipPixels(0), skipRows(0), skipImages(0) {}

 		GLint alignment;
 		GLint rowLength;
 		GLint imageHeight;
 		GLint skipPixels;
 		GLint skipRows;
 		GLint skipImages;
 	};

 	void loadImageData(Context *context, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const UnpackInfo& unpackInfo, const void *input);
 	void loadCompressedData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels);

 	void release() override = 0;
 	void unbind(const Texture *parent);   // Break parent ownership and release
 	bool isChildOf(const Texture *parent) const;

 	virtual void destroyShared()   // Release a shared image
 	{
 		assert(shared);
 		shared = false;
 		release();
 	}

 protected:
 	const GLsizei width;
 	const GLsizei height;
 	const GLenum format;
 	const GLenum type;
 	const sw::Format internalFormat;
 	const int depth;

 	bool shared;   // Used as an EGLImage

 	egl::Texture *parentTexture;

 	~Image() override = 0;

 	void loadD24S8ImageData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, int inputPitch, int inputHeight, const void *input, void *buffer);
 	void loadD32FS8ImageData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, int inputPitch, int inputHeight, const void *input, void *buffer);
 };

 #ifdef __ANDROID__

 inline GLenum GLPixelFormatFromAndroid(int halFormat)
 {
 	switch(halFormat)
 	{
 	case HAL_PIXEL_FORMAT_RGBA_8888: return GL_RGBA8;
 #if ANDROID_PLATFORM_SDK_VERSION > 16
 	case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: return GL_RGB8;
 #endif
 	case HAL_PIXEL_FORMAT_RGBX_8888: return GL_RGB8;
 	case HAL_PIXEL_FORMAT_RGB_888:   return GL_NONE;   // Unsupported
 	case HAL_PIXEL_FORMAT_BGRA_8888: return GL_BGRA8_EXT;
 	case HAL_PIXEL_FORMAT_RGB_565:   return GL_RGB565;
 	case HAL_PIXEL_FORMAT_YV12:      return SW_YV12_BT601;
 #ifdef GRALLOC_MODULE_API_VERSION_0_2
 	case HAL_PIXEL_FORMAT_YCbCr_420_888: return SW_YV12_BT601;
 #endif
 	default:                         return GL_NONE;
 	}
 }

 inline GLenum GLPixelTypeFromAndroid(int halFormat)
 {
 	switch(halFormat)
 	{
 	case HAL_PIXEL_FORMAT_RGBA_8888: return GL_UNSIGNED_BYTE;
 #if ANDROID_PLATFORM_SDK_VERSION > 16
 	case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: return GL_UNSIGNED_BYTE;
 #endif
 	case HAL_PIXEL_FORMAT_RGBX_8888: return GL_UNSIGNED_BYTE;
 	case HAL_PIXEL_FORMAT_RGB_888:   return GL_NONE;   // Unsupported
 	case HAL_PIXEL_FORMAT_BGRA_8888: return GL_UNSIGNED_BYTE;
 	case HAL_PIXEL_FORMAT_RGB_565:   return GL_UNSIGNED_SHORT_5_6_5;
 	case HAL_PIXEL_FORMAT_YV12:      return GL_UNSIGNED_BYTE;
 #ifdef GRALLOC_MODULE_API_VERSION_0_2
 	case HAL_PIXEL_FORMAT_YCbCr_420_888: return GL_UNSIGNED_BYTE;
 #endif
 	default:                         return GL_NONE;
 	}
 }

 class AndroidNativeImage : public egl::Image
 {
 public:
 	explicit AndroidNativeImage(ANativeWindowBuffer *nativeBuffer)
 		: egl::Image(nativeBuffer->width, nativeBuffer->height,
 		             GLPixelFormatFromAndroid(nativeBuffer->format),
 		             GLPixelTypeFromAndroid(nativeBuffer->format),
 		             nativeBuffer->stride),
 		  nativeBuffer(nativeBuffer)
 	{
 		nativeBuffer->common.incRef(&nativeBuffer->common);
 	}

 private:
 	ANativeWindowBuffer *nativeBuffer;

 	~AndroidNativeImage() override
 	{
 		sync();   // Wait for any threads that use this image to finish.

 		nativeBuffer->common.decRef(&nativeBuffer->common);
 	}

 	void *lockInternal(int x, int y, int z, sw::Lock lock, sw::Accessor client) override
 	{
 		LOGLOCK("image=%p op=%s.swsurface lock=%d", this, __FUNCTION__, lock);

 		// Always do this for reference counting.
 		void *data = sw::Surface::lockInternal(x, y, z, lock, client);

 		if(nativeBuffer)
 		{
 			if(x != 0 || y != 0 || z != 0)
 			{
 				ALOGI("badness: %s called with unsupported parms: image=%p x=%d y=%d z=%d", __FUNCTION__, this, x, y, z);
 			}

 			LOGLOCK("image=%p op=%s.ani lock=%d", this, __FUNCTION__, lock);

 			// Lock the ANativeWindowBuffer and use its address.
 			data = lockNativeBuffer(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);

 			if(lock == sw::LOCK_UNLOCKED)
 			{
 				// We're never going to get a corresponding unlock, so unlock
 				// immediately. This keeps the gralloc reference counts sane.
 				unlockNativeBuffer();
 			}
 		}

 		return data;
 	}

 	void unlockInternal() override
 	{
 		if(nativeBuffer)   // Unlock the buffer from ANativeWindowBuffer
 		{
 			LOGLOCK("image=%p op=%s.ani", this, __FUNCTION__);
 			unlockNativeBuffer();
 		}

 		LOGLOCK("image=%p op=%s.swsurface", this, __FUNCTION__);
 		sw::Surface::unlockInternal();
 	}

 	void *lock(unsigned int left, unsigned int top, sw::Lock lock) override
 	{
 		LOGLOCK("image=%p op=%s lock=%d", this, __FUNCTION__, lock);
 		(void)sw::Surface::lockExternal(left, top, 0, lock, sw::PUBLIC);

 		return lockNativeBuffer(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
 	}

 	void unlock() override
 	{
 		LOGLOCK("image=%p op=%s.ani", this, __FUNCTION__);
 		unlockNativeBuffer();

 		LOGLOCK("image=%p op=%s.swsurface", this, __FUNCTION__);
 		sw::Surface::unlockExternal();
 	}

 	void *lockNativeBuffer(int usage)
 	{
 		void *buffer = nullptr;
 		GrallocModule::getInstance()->lock(nativeBuffer->handle, usage, 0, 0, nativeBuffer->width, nativeBuffer->height, &buffer);

 		return buffer;
 	}

 	void unlockNativeBuffer()
 	{
 		GrallocModule::getInstance()->unlock(nativeBuffer->handle);
 	}

 	void release() override
 	{
 		Image::release();
 	}
 };

 #endif  // __ANDROID__

 }

 #endif   // egl_Image_hpp
	// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
	//
	// 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 egl_Image_hpp
	#define egl_Image_hpp

	#include "libEGL/Texture.hpp"
	#include "Renderer/Surface.hpp"

	#include <GLES3/gl3.h>
	#include <GLES2/gl2ext.h>

	#if defined(__ANDROID__)
	#include <system/window.h>
	#include "../../Common/GrallocAndroid.hpp"
	#include "../../Common/DebugAndroid.hpp"
	#define LOGLOCK(fmt, ...) // ALOGI(fmt " tid=%d", ##__VA_ARGS__, gettid())
	#else
	#include <assert.h>
	#define LOGLOCK(...)
	#endif

	// Implementation-defined formats
	#define SW_YV12_BT601 0x32315659 // YCrCb 4:2:0 Planar, 16-byte aligned, BT.601 color space, studio swing
	#define SW_YV12_BT709 0x48315659 // YCrCb 4:2:0 Planar, 16-byte aligned, BT.709 color space, studio swing
	#define SW_YV12_JFIF 0x4A315659 // YCrCb 4:2:0 Planar, 16-byte aligned, BT.601 color space, full swing

	namespace egl
	{

	class Context;

	sw::Format ConvertFormatType(GLenum format, GLenum type);
	sw::Format SelectInternalFormat(GLenum format, GLenum type);
	GLsizei ComputePitch(GLsizei width, GLenum format, GLenum type, GLint alignment);
	GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format);
	size_t ComputePackingOffset(GLenum format, GLenum type, GLsizei width, GLsizei height, GLint alignment, GLint skipImages, GLint skipRows, GLint skipPixels);

	class [[clang::lto_visibility_public]] Image : public sw::Surface, public gl::Object
	{
	protected:
	// 2D texture image
	Image(Texture *parentTexture, GLsizei width, GLsizei height, GLenum format, GLenum type)
	: sw::Surface(parentTexture->getResource(), width, height, 1, SelectInternalFormat(format, type), true, true),
	width(width), height(height), format(format), type(type), internalFormat(SelectInternalFormat(format, type)), depth(1),
	parentTexture(parentTexture)
	{
	shared = false;
	Object::addRef();
	parentTexture->addRef();
	}

	// 3D texture image
	Image(Texture *parentTexture, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type)
	: sw::Surface(parentTexture->getResource(), width, height, depth, SelectInternalFormat(format, type), true, true),
	width(width), height(height), format(format), type(type), internalFormat(SelectInternalFormat(format, type)), depth(depth),
	parentTexture(parentTexture)
	{
	shared = false;
	Object::addRef();
	parentTexture->addRef();
	}

	// Native EGL image
	Image(GLsizei width, GLsizei height, GLenum format, GLenum type, int pitchP)
	: sw::Surface(nullptr, width, height, 1, SelectInternalFormat(format, type), true, true, pitchP),
	width(width), height(height), format(format), type(type), internalFormat(SelectInternalFormat(format, type)), depth(1),
	parentTexture(nullptr)
	{
	shared = true;
	Object::addRef();
	}

	// Render target
	Image(GLsizei width, GLsizei height, sw::Format internalFormat, int multiSampleDepth, bool lockable)
	: sw::Surface(nullptr, width, height, multiSampleDepth, internalFormat, lockable, true),
	width(width), height(height), format(0 /GL_NONE/), type(0 /GL_NONE/), internalFormat(internalFormat), depth(multiSampleDepth),
	parentTexture(nullptr)
	{
	shared = false;
	Object::addRef();
	}

	public:
	// 2D texture image
	static Image create(Texture parentTexture, GLsizei width, GLsizei height, GLenum format, GLenum type);

	// 3D texture image
	static Image create(Texture parentTexture, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type);

	// Native EGL image
	static Image *create(GLsizei width, GLsizei height, GLenum format, GLenum type, int pitchP);

	// Render target
	static Image *create(GLsizei width, GLsizei height, sw::Format internalFormat, int multiSampleDepth, bool lockable);

	GLsizei getWidth() const
	{
	return width;
	}

	GLsizei getHeight() const
	{
	return height;
	}

	int getDepth() const
	{
	// FIXME: add member if the depth dimension (for 3D textures or 2D testure arrays)
	// and multi sample depth are ever simultaneously required.
	return depth;
	}

	GLenum getFormat() const
	{
	return format;
	}

	GLenum getType() const
	{
	return type;
	}

	sw::Format getInternalFormat() const
	{
	return internalFormat;
	}

	bool isShared() const
	{
	return shared;
	}

	void markShared()
	{
	shared = true;
	}

	virtual void *lock(unsigned int left, unsigned int top, sw::Lock lock)
	{
	return lockExternal(left, top, 0, lock, sw::PUBLIC);
	}

	unsigned int getPitch() const
	{
	return getExternalPitchB();
	}

	virtual void unlock()
	{
	unlockExternal();
	}

	void *lockInternal(int x, int y, int z, sw::Lock lock, sw::Accessor client) override = 0;
	void unlockInternal() override = 0;

	struct UnpackInfo
	{
	UnpackInfo() : alignment(4), rowLength(0), imageHeight(0), skipPixels(0), skipRows(0), skipImages(0) {}

	GLint alignment;
	GLint rowLength;
	GLint imageHeight;
	GLint skipPixels;
	GLint skipRows;
	GLint skipImages;
	};

	void loadImageData(Context context, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const UnpackInfo& unpackInfo, const void input);
	void loadCompressedData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels);

	void release() override = 0;
	void unbind(const Texture *parent); // Break parent ownership and release
	bool isChildOf(const Texture *parent) const;

	virtual void destroyShared() // Release a shared image
	{
	assert(shared);
	shared = false;
	release();
	}

	protected:
	const GLsizei width;
	const GLsizei height;
	const GLenum format;
	const GLenum type;
	const sw::Format internalFormat;
	const int depth;

	bool shared; // Used as an EGLImage

	egl::Texture *parentTexture;

	~Image() override = 0;

	void loadD24S8ImageData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, int inputPitch, int inputHeight, const void input, void buffer);
	void loadD32FS8ImageData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, int inputPitch, int inputHeight, const void input, void buffer);
	};

	#ifdef __ANDROID__

	inline GLenum GLPixelFormatFromAndroid(int halFormat)
	{
	switch(halFormat)
	{
	case HAL_PIXEL_FORMAT_RGBA_8888: return GL_RGBA8;
	#if ANDROID_PLATFORM_SDK_VERSION > 16
	case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: return GL_RGB8;
	#endif
	case HAL_PIXEL_FORMAT_RGBX_8888: return GL_RGB8;
	case HAL_PIXEL_FORMAT_RGB_888: return GL_NONE; // Unsupported
	case HAL_PIXEL_FORMAT_BGRA_8888: return GL_BGRA8_EXT;
	case HAL_PIXEL_FORMAT_RGB_565: return GL_RGB565;
	case HAL_PIXEL_FORMAT_YV12: return SW_YV12_BT601;
	#ifdef GRALLOC_MODULE_API_VERSION_0_2
	case HAL_PIXEL_FORMAT_YCbCr_420_888: return SW_YV12_BT601;
	#endif
	default: return GL_NONE;
	}
	}

	inline GLenum GLPixelTypeFromAndroid(int halFormat)
	{
	switch(halFormat)
	{
	case HAL_PIXEL_FORMAT_RGBA_8888: return GL_UNSIGNED_BYTE;
	#if ANDROID_PLATFORM_SDK_VERSION > 16
	case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: return GL_UNSIGNED_BYTE;
	#endif
	case HAL_PIXEL_FORMAT_RGBX_8888: return GL_UNSIGNED_BYTE;
	case HAL_PIXEL_FORMAT_RGB_888: return GL_NONE; // Unsupported
	case HAL_PIXEL_FORMAT_BGRA_8888: return GL_UNSIGNED_BYTE;
	case HAL_PIXEL_FORMAT_RGB_565: return GL_UNSIGNED_SHORT_5_6_5;
	case HAL_PIXEL_FORMAT_YV12: return GL_UNSIGNED_BYTE;
	#ifdef GRALLOC_MODULE_API_VERSION_0_2
	case HAL_PIXEL_FORMAT_YCbCr_420_888: return GL_UNSIGNED_BYTE;
	#endif
	default: return GL_NONE;
	}
	}

	class AndroidNativeImage : public egl::Image
	{
	public:
	explicit AndroidNativeImage(ANativeWindowBuffer *nativeBuffer)
	: egl::Image(nativeBuffer->width, nativeBuffer->height,
	GLPixelFormatFromAndroid(nativeBuffer->format),
	GLPixelTypeFromAndroid(nativeBuffer->format),
	nativeBuffer->stride),
	nativeBuffer(nativeBuffer)
	{
	nativeBuffer->common.incRef(&nativeBuffer->common);
	}

	private:
	ANativeWindowBuffer *nativeBuffer;

	~AndroidNativeImage() override
	{
	sync(); // Wait for any threads that use this image to finish.

	nativeBuffer->common.decRef(&nativeBuffer->common);
	}

	void *lockInternal(int x, int y, int z, sw::Lock lock, sw::Accessor client) override
	{
	LOGLOCK("image=%p op=%s.swsurface lock=%d", this, __FUNCTION__, lock);

	// Always do this for reference counting.
	void *data = sw::Surface::lockInternal(x, y, z, lock, client);

	if(nativeBuffer)
	{
	if(x != 0 \|\| y != 0 \|\| z != 0)
	{
	ALOGI("badness: %s called with unsupported parms: image=%p x=%d y=%d z=%d", __FUNCTION__, this, x, y, z);
	}

	LOGLOCK("image=%p op=%s.ani lock=%d", this, __FUNCTION__, lock);

	// Lock the ANativeWindowBuffer and use its address.
	data = lockNativeBuffer(GRALLOC_USAGE_SW_READ_OFTEN \| GRALLOC_USAGE_SW_WRITE_OFTEN);

	if(lock == sw::LOCK_UNLOCKED)
	{
	// We're never going to get a corresponding unlock, so unlock
	// immediately. This keeps the gralloc reference counts sane.
	unlockNativeBuffer();
	}
	}

	return data;
	}

	void unlockInternal() override
	{
	if(nativeBuffer) // Unlock the buffer from ANativeWindowBuffer
	{
	LOGLOCK("image=%p op=%s.ani", this, __FUNCTION__);
	unlockNativeBuffer();
	}

	LOGLOCK("image=%p op=%s.swsurface", this, __FUNCTION__);
	sw::Surface::unlockInternal();
	}

	void *lock(unsigned int left, unsigned int top, sw::Lock lock) override
	{
	LOGLOCK("image=%p op=%s lock=%d", this, __FUNCTION__, lock);
	(void)sw::Surface::lockExternal(left, top, 0, lock, sw::PUBLIC);

	return lockNativeBuffer(GRALLOC_USAGE_SW_READ_OFTEN \| GRALLOC_USAGE_SW_WRITE_OFTEN);
	}

	void unlock() override
	{
	LOGLOCK("image=%p op=%s.ani", this, __FUNCTION__);
	unlockNativeBuffer();

	LOGLOCK("image=%p op=%s.swsurface", this, __FUNCTION__);
	sw::Surface::unlockExternal();
	}

	void *lockNativeBuffer(int usage)
	{
	void *buffer = nullptr;
	GrallocModule::getInstance()->lock(nativeBuffer->handle, usage, 0, 0, nativeBuffer->width, nativeBuffer->height, &buffer);

	return buffer;
	}

	void unlockNativeBuffer()
	{
	GrallocModule::getInstance()->unlock(nativeBuffer->handle);
	}

	void release() override
	{
	Image::release();
	}
	};

	#endif // __ANDROID__

	}

	#endif // egl_Image_hpp