Add Graphite variants of *VkRenderEngine, *GpuContext, & *BackendTexture
GraphiteVkRenderEngine is currently unused, but I've tested it locally
by modifying SkiaVkRenderEngine::create
Test: manual validation (unused, will add to tests soon)
Bug: b/293371537
Change-Id: I961a40e5073bd5452886c486e2ce19b62a7b12a7
diff --git a/libs/renderengine/Android.bp b/libs/renderengine/Android.bp
index 0defc7e..c003111 100644
--- a/libs/renderengine/Android.bp
+++ b/libs/renderengine/Android.bp
@@ -84,6 +84,7 @@
"skia/Cache.cpp",
"skia/ColorSpaces.cpp",
"skia/GaneshVkRenderEngine.cpp",
+ "skia/GraphiteVkRenderEngine.cpp",
"skia/GLExtensions.cpp",
"skia/SkiaRenderEngine.cpp",
"skia/SkiaGLRenderEngine.cpp",
@@ -91,6 +92,8 @@
"skia/VulkanInterface.cpp",
"skia/compat/GaneshBackendTexture.cpp",
"skia/compat/GaneshGpuContext.cpp",
+ "skia/compat/GraphiteBackendTexture.cpp",
+ "skia/compat/GraphiteGpuContext.cpp",
"skia/debug/CaptureTimer.cpp",
"skia/debug/CommonPool.cpp",
"skia/debug/SkiaCapture.cpp",
diff --git a/libs/renderengine/skia/GraphiteVkRenderEngine.cpp b/libs/renderengine/skia/GraphiteVkRenderEngine.cpp
new file mode 100644
index 0000000..3d2c4b4
--- /dev/null
+++ b/libs/renderengine/skia/GraphiteVkRenderEngine.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2024 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 "GraphiteVkRenderEngine.h"
+
+#undef LOG_TAG
+#define LOG_TAG "RenderEngine"
+
+#include <include/gpu/GpuTypes.h>
+#include <include/gpu/graphite/BackendSemaphore.h>
+#include <include/gpu/graphite/Context.h>
+#include <include/gpu/graphite/Recording.h>
+
+#include <log/log_main.h>
+#include <sync/sync.h>
+
+#include <memory>
+#include <vector>
+
+namespace android::renderengine::skia {
+
+// Graphite-specific function signature for fFinishedProc callback.
+static void unref_semaphore(void* semaphore, skgpu::CallbackResult result) {
+ if (result != skgpu::CallbackResult::kSuccess) {
+ ALOGE("Graphite submission of work to GPU failed, check for Skia errors");
+ }
+ SkiaVkRenderEngine::DestroySemaphoreInfo* info =
+ reinterpret_cast<SkiaVkRenderEngine::DestroySemaphoreInfo*>(semaphore);
+ info->unref();
+}
+
+std::unique_ptr<SkiaGpuContext> GraphiteVkRenderEngine::createContext(
+ VulkanInterface& vulkanInterface) {
+ return SkiaGpuContext::MakeVulkan_Graphite(vulkanInterface.getGraphiteBackendContext());
+}
+
+void GraphiteVkRenderEngine::waitFence(SkiaGpuContext*, base::borrowed_fd fenceFd) {
+ if (fenceFd.get() < 0) return;
+
+ int dupedFd = dup(fenceFd.get());
+ if (dupedFd < 0) {
+ ALOGE("failed to create duplicate fence fd: %d", dupedFd);
+ sync_wait(fenceFd.get(), -1);
+ return;
+ }
+
+ base::unique_fd fenceDup(dupedFd);
+ VkSemaphore waitSemaphore =
+ getVulkanInterface(isProtected()).importSemaphoreFromSyncFd(fenceDup.release());
+ graphite::BackendSemaphore beSemaphore(waitSemaphore);
+ mStagedWaitSemaphores.push_back(beSemaphore);
+}
+
+base::unique_fd GraphiteVkRenderEngine::flushAndSubmit(SkiaGpuContext* context, sk_sp<SkSurface>) {
+ // Minimal Recording setup. Required even if there are no incoming semaphores to wait on, and if
+ // creating the outgoing signaling semaphore fails.
+ std::unique_ptr<graphite::Recording> recording = context->graphiteRecorder()->snap();
+ graphite::InsertRecordingInfo insertInfo;
+ insertInfo.fRecording = recording.get();
+
+ VulkanInterface& vulkanInterface = getVulkanInterface(isProtected());
+ // This "signal" semaphore is called after rendering, but it is cleaned up in the same mechanism
+ // as "wait" semaphores from waitFence.
+ VkSemaphore vkSignalSemaphore = vulkanInterface.createExportableSemaphore();
+ graphite::BackendSemaphore backendSignalSemaphore(vkSignalSemaphore);
+
+ // Collect all Vk semaphores that DestroySemaphoreInfo needs to own and delete after GPU work.
+ std::vector<VkSemaphore> vkSemaphoresToCleanUp;
+ if (vkSignalSemaphore != VK_NULL_HANDLE) {
+ vkSemaphoresToCleanUp.push_back(vkSignalSemaphore);
+ }
+ for (auto backendWaitSemaphore : mStagedWaitSemaphores) {
+ vkSemaphoresToCleanUp.push_back(backendWaitSemaphore.getVkSemaphore());
+ }
+
+ DestroySemaphoreInfo* destroySemaphoreInfo = nullptr;
+ if (vkSemaphoresToCleanUp.size() > 0) {
+ destroySemaphoreInfo =
+ new DestroySemaphoreInfo(vulkanInterface, std::move(vkSemaphoresToCleanUp));
+
+ insertInfo.fNumWaitSemaphores = mStagedWaitSemaphores.size();
+ insertInfo.fWaitSemaphores = mStagedWaitSemaphores.data();
+ insertInfo.fNumSignalSemaphores = 1;
+ insertInfo.fSignalSemaphores = &backendSignalSemaphore;
+ insertInfo.fFinishedProc = unref_semaphore;
+ insertInfo.fFinishedContext = destroySemaphoreInfo;
+ }
+
+ const bool inserted = context->graphiteContext()->insertRecording(insertInfo);
+ LOG_ALWAYS_FATAL_IF(!inserted,
+ "graphite::Context::insertRecording(...) failed, check for Skia errors");
+ const bool submitted = context->graphiteContext()->submit(graphite::SyncToCpu::kNo);
+ LOG_ALWAYS_FATAL_IF(!submitted, "graphite::Context::submit(...) failed, check for Skia errors");
+ // Skia's "backend" semaphores can be deleted immediately after inserting the recording; only
+ // the underlying VK semaphores need to be kept until GPU work is complete.
+ mStagedWaitSemaphores.clear();
+
+ base::unique_fd drawFenceFd(-1);
+ if (vkSignalSemaphore != VK_NULL_HANDLE) {
+ drawFenceFd.reset(vulkanInterface.exportSemaphoreSyncFd(vkSignalSemaphore));
+ }
+ // Now that drawFenceFd has been created, we can delete RE's reference to this semaphore, as
+ // another reference is still held until fFinishedProc is called after completion of GPU work.
+ if (destroySemaphoreInfo) {
+ destroySemaphoreInfo->unref();
+ }
+ return drawFenceFd;
+}
+
+} // namespace android::renderengine::skia
diff --git a/libs/renderengine/skia/GraphiteVkRenderEngine.h b/libs/renderengine/skia/GraphiteVkRenderEngine.h
new file mode 100644
index 0000000..90933ab
--- /dev/null
+++ b/libs/renderengine/skia/GraphiteVkRenderEngine.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024 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 "SkiaVkRenderEngine.h"
+
+#include <include/gpu/graphite/BackendSemaphore.h>
+
+namespace android::renderengine::skia {
+
+class GraphiteVkRenderEngine : public SkiaVkRenderEngine {
+ friend std::unique_ptr<SkiaVkRenderEngine> SkiaVkRenderEngine::create(
+ const RenderEngineCreationArgs& args);
+
+protected:
+ GraphiteVkRenderEngine(const RenderEngineCreationArgs& args) : SkiaVkRenderEngine(args) {}
+
+ std::unique_ptr<SkiaGpuContext> createContext(VulkanInterface& vulkanInterface) override;
+ void waitFence(SkiaGpuContext* context, base::borrowed_fd fenceFd) override;
+ base::unique_fd flushAndSubmit(SkiaGpuContext* context, sk_sp<SkSurface> dstSurface) override;
+
+private:
+ std::vector<graphite::BackendSemaphore> mStagedWaitSemaphores;
+};
+
+} // namespace android::renderengine::skia
diff --git a/libs/renderengine/skia/VulkanInterface.cpp b/libs/renderengine/skia/VulkanInterface.cpp
index 2f09a38..49b9f1e 100644
--- a/libs/renderengine/skia/VulkanInterface.cpp
+++ b/libs/renderengine/skia/VulkanInterface.cpp
@@ -20,6 +20,8 @@
#include "VulkanInterface.h"
#include <include/gpu/GpuTypes.h>
+#include <include/gpu/vk/VulkanBackendContext.h>
+
#include <log/log_main.h>
#include <utils/Timers.h>
@@ -47,6 +49,23 @@
return backendContext;
};
+VulkanBackendContext VulkanInterface::getGraphiteBackendContext() {
+ VulkanBackendContext backendContext;
+ backendContext.fInstance = mInstance;
+ backendContext.fPhysicalDevice = mPhysicalDevice;
+ backendContext.fDevice = mDevice;
+ backendContext.fQueue = mQueue;
+ backendContext.fGraphicsQueueIndex = mQueueIndex;
+ backendContext.fMaxAPIVersion = mApiVersion;
+ backendContext.fVkExtensions = &mGrExtensions;
+ backendContext.fDeviceFeatures2 = mPhysicalDeviceFeatures2;
+ backendContext.fGetProc = mGrGetProc;
+ backendContext.fProtectedContext = mIsProtected ? Protected::kYes : Protected::kNo;
+ backendContext.fDeviceLostContext = this; // VulkanInterface is long-lived
+ backendContext.fDeviceLostProc = onVkDeviceFault;
+ return backendContext;
+};
+
VkSemaphore VulkanInterface::createExportableSemaphore() {
VkExportSemaphoreCreateInfo exportInfo;
exportInfo.sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO;
diff --git a/libs/renderengine/skia/VulkanInterface.h b/libs/renderengine/skia/VulkanInterface.h
index 512e62c..2824fcb 100644
--- a/libs/renderengine/skia/VulkanInterface.h
+++ b/libs/renderengine/skia/VulkanInterface.h
@@ -23,6 +23,10 @@
using namespace skgpu;
+namespace skgpu {
+struct VulkanBackendContext;
+} // namespace skgpu
+
namespace android {
namespace renderengine {
namespace skia {
@@ -39,8 +43,8 @@
void init(bool protectedContent = false);
void teardown();
- // TODO: b/293371537 - Graphite variant (external/skia/include/gpu/vk/VulkanBackendContext.h)
GrVkBackendContext getGaneshBackendContext();
+ VulkanBackendContext getGraphiteBackendContext();
VkSemaphore createExportableSemaphore();
VkSemaphore importSemaphoreFromSyncFd(int syncFd);
int exportSemaphoreSyncFd(VkSemaphore semaphore);
diff --git a/libs/renderengine/skia/compat/GraphiteBackendTexture.cpp b/libs/renderengine/skia/compat/GraphiteBackendTexture.cpp
new file mode 100644
index 0000000..3dd9ed2
--- /dev/null
+++ b/libs/renderengine/skia/compat/GraphiteBackendTexture.cpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2024 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 "GraphiteBackendTexture.h"
+
+#undef LOG_TAG
+#define LOG_TAG "RenderEngine"
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
+#include <include/core/SkSurfaceProps.h>
+#include <include/gpu/graphite/Image.h>
+#include <include/gpu/graphite/Surface.h>
+#include <include/gpu/graphite/TextureInfo.h>
+
+#include "skia/ColorSpaces.h"
+
+#include <android/hardware_buffer.h>
+#include <inttypes.h>
+#include <log/log_main.h>
+#include <utils/Trace.h>
+
+namespace android::renderengine::skia {
+
+GraphiteBackendTexture::GraphiteBackendTexture(std::shared_ptr<skgpu::graphite::Recorder> recorder,
+ AHardwareBuffer* buffer, bool isOutputBuffer)
+ : SkiaBackendTexture(buffer, isOutputBuffer), mRecorder(std::move(recorder)) {
+ ATRACE_CALL();
+ AHardwareBuffer_Desc desc;
+ AHardwareBuffer_describe(buffer, &desc);
+ const bool createProtectedImage = 0 != (desc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT);
+
+ const SkISize dimensions = {static_cast<int32_t>(desc.width),
+ static_cast<int32_t>(desc.height)};
+ LOG_ALWAYS_FATAL_IF(static_cast<uint32_t>(dimensions.width()) != desc.width ||
+ static_cast<uint32_t>(dimensions.height()) != desc.height,
+ "Failed to create a valid texture, casting unsigned dimensions [%" PRIu32
+ ",%" PRIu32 "] to signed [%" PRIo32 ",%" PRIo32 "] "
+ "is invalid",
+ desc.width, desc.height, dimensions.width(), dimensions.height());
+
+ mBackendTexture = mRecorder->createBackendTexture(buffer, isOutputBuffer, createProtectedImage,
+ dimensions, false);
+ if (!mBackendTexture.isValid() || !dimensions.width() || !dimensions.height()) {
+ LOG_ALWAYS_FATAL("Failed to create a valid texture. [%p]:[%d,%d] isProtected:%d "
+ "isWriteable:%d format:%d",
+ this, dimensions.width(), dimensions.height(), createProtectedImage,
+ isOutputBuffer, desc.format);
+ }
+}
+
+GraphiteBackendTexture::~GraphiteBackendTexture() {
+ if (mBackendTexture.isValid()) {
+ mRecorder->deleteBackendTexture(mBackendTexture);
+ mBackendTexture = {};
+ }
+}
+
+sk_sp<SkImage> GraphiteBackendTexture::makeImage(SkAlphaType alphaType, ui::Dataspace dataspace,
+ TextureReleaseProc releaseImageProc,
+ ReleaseContext releaseContext) {
+ const SkColorType colorType = colorTypeForImage(alphaType);
+ sk_sp<SkImage> image =
+ SkImages::WrapTexture(mRecorder.get(), mBackendTexture, colorType, alphaType,
+ toSkColorSpace(dataspace), releaseImageProc, releaseContext);
+ if (!image) {
+ logFatalTexture("Unable to generate SkImage.", dataspace, colorType);
+ }
+ return image;
+}
+
+sk_sp<SkSurface> GraphiteBackendTexture::makeSurface(ui::Dataspace dataspace,
+ TextureReleaseProc releaseSurfaceProc,
+ ReleaseContext releaseContext) {
+ const SkColorType colorType = internalColorType();
+ SkSurfaceProps props;
+ sk_sp<SkSurface> surface =
+ SkSurfaces::WrapBackendTexture(mRecorder.get(), mBackendTexture, colorType,
+ toSkColorSpace(dataspace), &props, releaseSurfaceProc,
+ releaseContext);
+ if (!surface) {
+ logFatalTexture("Unable to generate SkSurface.", dataspace, colorType);
+ }
+ return surface;
+}
+
+void GraphiteBackendTexture::logFatalTexture(const char* msg, ui::Dataspace dataspace,
+ SkColorType colorType) {
+ // TODO: b/293371537 - Iterate on this logging (validate failure cases, possibly check
+ // VulkanTextureInfo, etc.)
+ const skgpu::graphite::TextureInfo& textureInfo = mBackendTexture.info();
+ LOG_ALWAYS_FATAL("%s isOutputBuffer:%d, dataspace:%d, colorType:%d"
+ "\n\tBackendTexture: isValid:%d, dimensions:%dx%d"
+ "\n\t\tTextureInfo: isValid:%d, numSamples:%d, mipmapped:%d, isProtected: %d",
+ msg, isOutputBuffer(), static_cast<int32_t>(dataspace), colorType,
+ mBackendTexture.isValid(), mBackendTexture.dimensions().width(),
+ mBackendTexture.dimensions().height(), textureInfo.isValid(),
+ textureInfo.numSamples(), static_cast<int32_t>(textureInfo.mipmapped()),
+ static_cast<int32_t>(textureInfo.isProtected()));
+}
+
+} // namespace android::renderengine::skia
diff --git a/libs/renderengine/skia/compat/GraphiteBackendTexture.h b/libs/renderengine/skia/compat/GraphiteBackendTexture.h
new file mode 100644
index 0000000..3bec3f7
--- /dev/null
+++ b/libs/renderengine/skia/compat/GraphiteBackendTexture.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2024 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 "SkiaBackendTexture.h"
+
+#include <include/core/SkColorSpace.h>
+#include <include/core/SkImage.h>
+#include <include/core/SkSurface.h>
+#include <include/gpu/graphite/BackendTexture.h>
+#include <include/gpu/graphite/Recorder.h>
+
+#include <android-base/macros.h>
+#include <ui/GraphicTypes.h>
+
+#include <memory>
+
+namespace android::renderengine::skia {
+
+class GraphiteBackendTexture : public SkiaBackendTexture {
+public:
+ // Creates an internal skgpu::graphite::BackendTexture whose contents come from the provided
+ // buffer.
+ GraphiteBackendTexture(std::shared_ptr<skgpu::graphite::Recorder> recorder,
+ AHardwareBuffer* buffer, bool isOutputBuffer);
+
+ ~GraphiteBackendTexture() override;
+
+ sk_sp<SkImage> makeImage(SkAlphaType alphaType, ui::Dataspace dataspace,
+ TextureReleaseProc releaseImageProc,
+ ReleaseContext releaseContext) override;
+
+ sk_sp<SkSurface> makeSurface(ui::Dataspace dataspace, TextureReleaseProc releaseSurfaceProc,
+ ReleaseContext releaseContext) override;
+
+private:
+ DISALLOW_COPY_AND_ASSIGN(GraphiteBackendTexture);
+
+ void logFatalTexture(const char* msg, ui::Dataspace dataspace, SkColorType colorType);
+
+ const std::shared_ptr<skgpu::graphite::Recorder> mRecorder;
+ skgpu::graphite::BackendTexture mBackendTexture;
+};
+
+} // namespace android::renderengine::skia
diff --git a/libs/renderengine/skia/compat/GraphiteGpuContext.cpp b/libs/renderengine/skia/compat/GraphiteGpuContext.cpp
new file mode 100644
index 0000000..e19d66f
--- /dev/null
+++ b/libs/renderengine/skia/compat/GraphiteGpuContext.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2024 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 "GraphiteGpuContext.h"
+
+#include <include/core/SkImageInfo.h>
+#include <include/core/SkSurface.h>
+#include <include/core/SkTraceMemoryDump.h>
+#include <include/gpu/graphite/GraphiteTypes.h>
+#include <include/gpu/graphite/Surface.h>
+#include <include/gpu/graphite/vk/VulkanGraphiteUtils.h>
+
+#include "GpuTypes.h"
+#include "skia/compat/GraphiteBackendTexture.h"
+
+#include <android-base/macros.h>
+#include <log/log_main.h>
+#include <memory>
+
+namespace android::renderengine::skia {
+
+namespace {
+static skgpu::graphite::ContextOptions graphiteOptions() {
+ skgpu::graphite::ContextOptions options;
+ options.fDisableDriverCorrectnessWorkarounds = true;
+ return options;
+}
+} // namespace
+
+std::unique_ptr<SkiaGpuContext> SkiaGpuContext::MakeVulkan_Graphite(
+ const skgpu::VulkanBackendContext& vulkanBackendContext) {
+ return std::make_unique<GraphiteGpuContext>(
+ skgpu::graphite::ContextFactory::MakeVulkan(vulkanBackendContext, graphiteOptions()));
+}
+
+GraphiteGpuContext::GraphiteGpuContext(std::unique_ptr<skgpu::graphite::Context> context)
+ : mContext(std::move(context)) {
+ LOG_ALWAYS_FATAL_IF(mContext.get() == nullptr, "graphite::Context creation failed");
+ LOG_ALWAYS_FATAL_IF(mContext->backend() != skgpu::BackendApi::kVulkan,
+ "graphite::Context::backend() == %d, but GraphiteBackendContext makes "
+ "assumptions that are only valid for Vulkan (%d)",
+ static_cast<int>(mContext->backend()),
+ static_cast<int>(skgpu::BackendApi::kVulkan));
+
+ // TODO: b/293371537 - Iterate on default cache limits (the Recorder should have the majority of
+ // the budget, and the Context should be given a smaller fraction.)
+ skgpu::graphite::RecorderOptions recorderOptions = skgpu::graphite::RecorderOptions();
+ this->mRecorder = mContext->makeRecorder(recorderOptions);
+ LOG_ALWAYS_FATAL_IF(mRecorder.get() == nullptr, "graphite::Recorder creation failed");
+}
+
+std::shared_ptr<skgpu::graphite::Context> GraphiteGpuContext::graphiteContext() {
+ return mContext;
+}
+
+std::shared_ptr<skgpu::graphite::Recorder> GraphiteGpuContext::graphiteRecorder() {
+ return mRecorder;
+}
+
+std::unique_ptr<SkiaBackendTexture> GraphiteGpuContext::makeBackendTexture(AHardwareBuffer* buffer,
+ bool isOutputBuffer) {
+ return std::make_unique<GraphiteBackendTexture>(graphiteRecorder(), buffer, isOutputBuffer);
+}
+
+sk_sp<SkSurface> GraphiteGpuContext::createRenderTarget(SkImageInfo imageInfo) {
+ constexpr SkSurfaceProps* kProps = nullptr;
+ return SkSurfaces::RenderTarget(mRecorder.get(), imageInfo, skgpu::Mipmapped::kNo, kProps);
+}
+
+size_t GraphiteGpuContext::getMaxRenderTargetSize() const {
+ // maxRenderTargetSize only differs from maxTextureSize on GL, so as long as Graphite implies
+ // Vk, then the distinction is irrelevant.
+ return getMaxTextureSize();
+};
+
+size_t GraphiteGpuContext::getMaxTextureSize() const {
+ return mContext->maxTextureSize();
+};
+
+bool GraphiteGpuContext::isAbandonedOrDeviceLost() {
+ return mContext->isDeviceLost();
+}
+
+void GraphiteGpuContext::finishRenderingAndAbandonContext() {
+ // TODO: b/293371537 - Validate that nothing else needs to be explicitly abandoned.
+ mContext->submit(skgpu::graphite::SyncToCpu::kYes);
+};
+
+void GraphiteGpuContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
+ mContext->dumpMemoryStatistics(traceMemoryDump);
+}
+
+} // namespace android::renderengine::skia
diff --git a/libs/renderengine/skia/compat/GraphiteGpuContext.h b/libs/renderengine/skia/compat/GraphiteGpuContext.h
new file mode 100644
index 0000000..685f899
--- /dev/null
+++ b/libs/renderengine/skia/compat/GraphiteGpuContext.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2024 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 "SkiaGpuContext.h"
+#include "graphite/Recorder.h"
+
+#include <android-base/macros.h>
+
+namespace android::renderengine::skia {
+
+class GraphiteGpuContext : public SkiaGpuContext {
+public:
+ GraphiteGpuContext(std::unique_ptr<skgpu::graphite::Context> context);
+ ~GraphiteGpuContext() override = default;
+
+ std::shared_ptr<skgpu::graphite::Context> graphiteContext() override;
+ std::shared_ptr<skgpu::graphite::Recorder> graphiteRecorder() override;
+
+ std::unique_ptr<SkiaBackendTexture> makeBackendTexture(AHardwareBuffer* buffer,
+ bool isOutputBuffer) override;
+
+ sk_sp<SkSurface> createRenderTarget(SkImageInfo imageInfo) override;
+
+ size_t getMaxRenderTargetSize() const override;
+ size_t getMaxTextureSize() const override;
+ bool isAbandonedOrDeviceLost() override;
+ // No-op (large resources like textures, surfaces, images, etc. created by clients don't count
+ // towards Graphite's internal caching budgets, so adjusting its limits based on display change
+ // events should be unnecessary. Additionally, Graphite doesn't expose many cache tweaking
+ // functions yet, as its design may evolve.)
+ void setResourceCacheLimit(size_t maxResourceBytes) override{};
+
+ void finishRenderingAndAbandonContext() override;
+ // TODO: b/293371537 - Triple-check and validate that no cleanup is necessary when switching
+ // contexts.
+ // No-op (unnecessary during context switch for Graphite's client-budgeted memory model).
+ void purgeUnlockedScratchResources() override{};
+ // No-op (only applicable to GL).
+ void resetContextIfApplicable() override{};
+
+ void dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const override;
+
+private:
+ DISALLOW_COPY_AND_ASSIGN(GraphiteGpuContext);
+
+ const std::shared_ptr<skgpu::graphite::Context> mContext;
+ std::shared_ptr<skgpu::graphite::Recorder> mRecorder;
+};
+
+} // namespace android::renderengine::skia
diff --git a/libs/renderengine/skia/compat/SkiaGpuContext.h b/libs/renderengine/skia/compat/SkiaGpuContext.h
index 8222e62..a2457e5 100644
--- a/libs/renderengine/skia/compat/SkiaGpuContext.h
+++ b/libs/renderengine/skia/compat/SkiaGpuContext.h
@@ -22,7 +22,9 @@
#include <include/core/SkSurface.h>
#include <include/gpu/GrDirectContext.h>
#include <include/gpu/gl/GrGLInterface.h>
+#include <include/gpu/graphite/Context.h>
#include <include/gpu/vk/GrVkBackendContext.h>
+#include "include/gpu/vk/VulkanBackendContext.h"
#include "SkiaBackendTexture.h"
@@ -41,14 +43,16 @@
sk_sp<const GrGLInterface> glInterface,
GrContextOptions::PersistentCache& skSLCacheMonitor);
- // TODO: b/293371537 - Graphite variant.
static std::unique_ptr<SkiaGpuContext> MakeVulkan_Ganesh(
const GrVkBackendContext& grVkBackendContext,
GrContextOptions::PersistentCache& skSLCacheMonitor);
+ // TODO: b/293371537 - Need shader / pipeline monitoring support in Graphite.
+ static std::unique_ptr<SkiaGpuContext> MakeVulkan_Graphite(
+ const skgpu::VulkanBackendContext& vulkanBackendContext);
+
virtual ~SkiaGpuContext() = default;
- // TODO: b/293371537 - Maybe expose whether this SkiaGpuContext is using Ganesh or Graphite?
/**
* Only callable on Ganesh-backed instances of SkiaGpuContext, otherwise fatal.
*/
@@ -56,6 +60,20 @@
LOG_ALWAYS_FATAL("grDirectContext() called on a non-Ganesh instance of SkiaGpuContext!");
}
+ /**
+ * Only callable on Graphite-backed instances of SkiaGpuContext, otherwise fatal.
+ */
+ virtual std::shared_ptr<skgpu::graphite::Context> graphiteContext() {
+ LOG_ALWAYS_FATAL("graphiteContext() called on a non-Graphite instance of SkiaGpuContext!");
+ }
+
+ /**
+ * Only callable on Graphite-backed instances of SkiaGpuContext, otherwise fatal.
+ */
+ virtual std::shared_ptr<skgpu::graphite::Recorder> graphiteRecorder() {
+ LOG_ALWAYS_FATAL("graphiteRecorder() called on a non-Graphite instance of SkiaGpuContext!");
+ }
+
virtual std::unique_ptr<SkiaBackendTexture> makeBackendTexture(AHardwareBuffer* buffer,
bool isOutputBuffer) = 0;