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/*
* Copyright 2020 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 "AutoBackendTexture.h"
#undef LOG_TAG
#define LOG_TAG "RenderEngine"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <SkImage.h>
#include <include/gpu/ganesh/SkImageGanesh.h>
#include <include/gpu/ganesh/SkSurfaceGanesh.h>
#include <include/gpu/ganesh/gl/GrGLBackendSurface.h>
#include <include/gpu/ganesh/vk/GrVkBackendSurface.h>
#include <include/gpu/vk/GrVkTypes.h>
#include <android/hardware_buffer.h>
#include "ColorSpaces.h"
#include "log/log_main.h"
#include "utils/Trace.h"
namespace android {
namespace renderengine {
namespace skia {
AutoBackendTexture::AutoBackendTexture(GrDirectContext* context, AHardwareBuffer* buffer,
bool isOutputBuffer, CleanupManager& cleanupMgr)
: mCleanupMgr(cleanupMgr), mIsOutputBuffer(isOutputBuffer) {
ATRACE_CALL();
AHardwareBuffer_Desc desc;
AHardwareBuffer_describe(buffer, &desc);
bool createProtectedImage = 0 != (desc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT);
GrBackendFormat backendFormat;
GrBackendApi backend = context->backend();
if (backend == GrBackendApi::kOpenGL) {
backendFormat =
GrAHardwareBufferUtils::GetGLBackendFormat(context, desc.format, false);
mBackendTexture =
GrAHardwareBufferUtils::MakeGLBackendTexture(context,
buffer,
desc.width,
desc.height,
&mDeleteProc,
&mUpdateProc,
&mImageCtx,
createProtectedImage,
backendFormat,
isOutputBuffer);
} else if (backend == GrBackendApi::kVulkan) {
backendFormat =
GrAHardwareBufferUtils::GetVulkanBackendFormat(context,
buffer,
desc.format,
false);
mBackendTexture =
GrAHardwareBufferUtils::MakeVulkanBackendTexture(context,
buffer,
desc.width,
desc.height,
&mDeleteProc,
&mUpdateProc,
&mImageCtx,
createProtectedImage,
backendFormat,
isOutputBuffer);
} else {
LOG_ALWAYS_FATAL("Unexpected backend %d", backend);
}
mColorType = GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(desc.format);
if (!mBackendTexture.isValid() || !desc.width || !desc.height) {
LOG_ALWAYS_FATAL("Failed to create a valid texture. [%p]:[%d,%d] isProtected:%d "
"isWriteable:%d format:%d",
this, desc.width, desc.height, createProtectedImage, isOutputBuffer,
desc.format);
}
}
AutoBackendTexture::~AutoBackendTexture() {
if (mBackendTexture.isValid()) {
mDeleteProc(mImageCtx);
mBackendTexture = {};
}
}
void AutoBackendTexture::unref(bool releaseLocalResources) {
if (releaseLocalResources) {
mSurface = nullptr;
mImage = nullptr;
}
mUsageCount--;
if (mUsageCount <= 0) {
mCleanupMgr.add(this);
}
}
// releaseSurfaceProc is invoked by SkSurface, when the texture is no longer in use.
// "releaseContext" contains an "AutoBackendTexture*".
void AutoBackendTexture::releaseSurfaceProc(SkSurface::ReleaseContext releaseContext) {
AutoBackendTexture* textureRelease = reinterpret_cast<AutoBackendTexture*>(releaseContext);
textureRelease->unref(false);
}
// releaseImageProc is invoked by SkImage, when the texture is no longer in use.
// "releaseContext" contains an "AutoBackendTexture*".
void AutoBackendTexture::releaseImageProc(SkImages::ReleaseContext releaseContext) {
AutoBackendTexture* textureRelease = reinterpret_cast<AutoBackendTexture*>(releaseContext);
textureRelease->unref(false);
}
void logFatalTexture(const char* msg, const GrBackendTexture& tex, ui::Dataspace dataspace,
SkColorType colorType) {
switch (tex.backend()) {
case GrBackendApi::kOpenGL: {
GrGLTextureInfo textureInfo;
bool retrievedTextureInfo = GrBackendTextures::GetGLTextureInfo(tex, &textureInfo);
LOG_ALWAYS_FATAL("%s isTextureValid:%d dataspace:%d"
"\n\tGrBackendTexture: (%i x %i) hasMipmaps: %i isProtected: %i "
"texType: %i\n\t\tGrGLTextureInfo: success: %i fTarget: %u fFormat: %u"
" colorType %i",
msg, tex.isValid(), static_cast<int32_t>(dataspace), tex.width(),
tex.height(), tex.hasMipmaps(), tex.isProtected(),
static_cast<int>(tex.textureType()), retrievedTextureInfo,
textureInfo.fTarget, textureInfo.fFormat, colorType);
break;
}
case GrBackendApi::kVulkan: {
GrVkImageInfo imageInfo;
bool retrievedImageInfo = GrBackendTextures::GetVkImageInfo(tex, &imageInfo);
LOG_ALWAYS_FATAL("%s isTextureValid:%d dataspace:%d"
"\n\tGrBackendTexture: (%i x %i) hasMipmaps: %i isProtected: %i "
"texType: %i\n\t\tVkImageInfo: success: %i fFormat: %i "
"fSampleCount: %u fLevelCount: %u colorType %i",
msg, tex.isValid(), dataspace, tex.width(), tex.height(),
tex.hasMipmaps(), tex.isProtected(),
static_cast<int>(tex.textureType()), retrievedImageInfo,
imageInfo.fFormat, imageInfo.fSampleCount, imageInfo.fLevelCount,
colorType);
break;
}
default:
LOG_ALWAYS_FATAL("%s Unexpected backend %u", msg, static_cast<unsigned>(tex.backend()));
break;
}
}
sk_sp<SkImage> AutoBackendTexture::makeImage(ui::Dataspace dataspace, SkAlphaType alphaType,
GrDirectContext* context) {
ATRACE_CALL();
if (mBackendTexture.isValid()) {
mUpdateProc(mImageCtx, context);
}
auto colorType = mColorType;
if (alphaType == kOpaque_SkAlphaType) {
if (colorType == kRGBA_8888_SkColorType) {
colorType = kRGB_888x_SkColorType;
}
}
sk_sp<SkImage> image =
SkImages::BorrowTextureFrom(context, mBackendTexture, kTopLeft_GrSurfaceOrigin,
colorType, alphaType, toSkColorSpace(dataspace),
releaseImageProc, this);
if (image.get()) {
// The following ref will be counteracted by releaseProc, when SkImage is discarded.
ref();
}
mImage = image;
mDataspace = dataspace;
if (!mImage) {
logFatalTexture("Unable to generate SkImage.", mBackendTexture, dataspace, colorType);
}
return mImage;
}
sk_sp<SkSurface> AutoBackendTexture::getOrCreateSurface(ui::Dataspace dataspace,
GrDirectContext* context) {
ATRACE_CALL();
LOG_ALWAYS_FATAL_IF(!mIsOutputBuffer, "You can't generate a SkSurface for a read-only texture");
if (!mSurface.get() || mDataspace != dataspace) {
sk_sp<SkSurface> surface =
SkSurfaces::WrapBackendTexture(context, mBackendTexture,
kTopLeft_GrSurfaceOrigin, 0, mColorType,
toSkColorSpace(dataspace), nullptr,
releaseSurfaceProc, this);
if (surface.get()) {
// The following ref will be counteracted by releaseProc, when SkSurface is discarded.
ref();
}
mSurface = surface;
}
mDataspace = dataspace;
if (!mSurface) {
logFatalTexture("Unable to generate SkSurface.", mBackendTexture, dataspace, mColorType);
}
return mSurface;
}
} // namespace skia
} // namespace renderengine
} // namespace android
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