GaneshVulkanSurfaceManager.cpp

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/*
 * Copyright 2023 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#include "include/core/SkColorSpace.h"
#include "include/gpu/GrContextOptions.h"
#include "include/gpu/ganesh/SkSurfaceGanesh.h"
#include "tools/gpu/BackendSurfaceFactory.h"
#include "tools/gpu/GrContextFactory.h"
#include "tools/testrunners/common/surface_manager/SurfaceManager.h"
 
#include <string>
 
class GaneshVulkanSurfaceManager : public SurfaceManager {
public:
    GaneshVulkanSurfaceManager(std::unique_ptr<sk_gpu_test::GrContextFactory> contextFactory,
                               sk_gpu_test::ContextInfo contextInfo,
                               GrDirectContext* context,
                               sk_sp<SkSurface> surface,
                               std::string config,
                               SkColorInfo colorInfo)
            : SurfaceManager(config, colorInfo, CpuOrGpu::kGPU)
            , fContextFactory(std::move(contextFactory))
            , fContextInfo(contextInfo)
            , fContext(context)
            , fSurface(surface) {}
 
    sk_sp<SkSurface> getSurface() override { return fSurface; }
 
    void flush() override { fContext->flushAndSubmit(fSurface.get(), GrSyncCpu::kYes); }
 
    sk_gpu_test::ContextInfo* getGaneshContextInfo() override { return &fContextInfo; }
 
private:
    // The Vulkan context is destroyed when the context factory is destroyed. We prevent early
    // destruction of the context by grabbing a reference to the context factory. See the
    // GrContextFactory class documentation for details.
    std::unique_ptr<sk_gpu_test::GrContextFactory> fContextFactory;
    sk_gpu_test::ContextInfo fContextInfo;
    GrDirectContext* fContext;
    sk_sp<SkSurface> fSurface;
};
 
enum class SurfaceType { kDefault, kBackendTexture, kBackendRenderTarget };
 
std::unique_ptr<SurfaceManager> makeVulkanSurfaceManager(
        std::string config,
        SurfaceOptions surfaceOptions,
        GrContextOptions grContextOptions,
        sk_gpu_test::GrContextFactory::ContextOverrides contextOverrides,
        SkColorInfo colorInfo,
        SurfaceType surfaceType,
        uint32_t surfaceFlags,
        int sampleCount) {
    if (surfaceOptions.modifyGrContextOptions) {
        surfaceOptions.modifyGrContextOptions(&grContextOptions);
    }
 
    // Based on
    // https://skia.googlesource.com/skia/+/8da85ea79d1ba2b3f32d25178eb21f2ebda83437/dm/DMSrcSink.cpp#1579.
    auto contextFactory = std::make_unique<sk_gpu_test::GrContextFactory>(grContextOptions);
    sk_gpu_test::ContextInfo contextInfo =
            contextFactory.get()->getContextInfo(skgpu::ContextType::kVulkan, contextOverrides);
    GrDirectContext* context = contextInfo.directContext();
    SkASSERT_RELEASE(context);
 
    // Based on
    // https://skia.googlesource.com/skia/+/8da85ea79d1ba2b3f32d25178eb21f2ebda83437/dm/DMSrcSink.cpp#1524.
    SkImageInfo imageInfo =
            SkImageInfo::Make({surfaceOptions.width, surfaceOptions.height}, colorInfo);
    SkSurfaceProps surfaceProps(surfaceFlags, kRGB_H_SkPixelGeometry);
    sk_sp<SkSurface> surface;
    switch (surfaceType) {
        default:
        case SurfaceType::kDefault:
            surface = SkSurfaces::RenderTarget(
                    context, skgpu::Budgeted::kNo, imageInfo, sampleCount, &surfaceProps);
            break;
 
        case SurfaceType::kBackendTexture:
            surface = sk_gpu_test::MakeBackendTextureSurface(context,
                                                             imageInfo,
                                                             kTopLeft_GrSurfaceOrigin,
                                                             sampleCount,
                                                             skgpu::Mipmapped::kNo,
                                                             skgpu::Protected::kNo,
                                                             &surfaceProps);
            break;
 
        case SurfaceType::kBackendRenderTarget:
            surface = sk_gpu_test::MakeBackendRenderTargetSurface(context,
                                                                  imageInfo,
                                                                  kBottomLeft_GrSurfaceOrigin,
                                                                  sampleCount,
                                                                  skgpu::Protected::kNo,
                                                                  &surfaceProps);
            break;
    }
    SkASSERT_RELEASE(surface);
 
    return std::make_unique<GaneshVulkanSurfaceManager>(
            std::move(contextFactory), contextInfo, context, surface, config, colorInfo);
}
 
// Based on the configurations defined here[1], the configuration parsing logic here[2], and the
// sink selection logic here[3].
//
// [1]
// https://skia.googlesource.com/skia/+/8da85ea79d1ba2b3f32d25178eb21f2ebda83437/tools/flags/CommonFlagsConfig.cpp#40
// [2]
// https://skia.googlesource.com/skia/+/8da85ea79d1ba2b3f32d25178eb21f2ebda83437/tools/flags/CommonFlagsConfig.cpp#610
// [3]
// https://skia.googlesource.com/skia/+/8da85ea79d1ba2b3f32d25178eb21f2ebda83437/dm/DM.cpp#1017
std::unique_ptr<SurfaceManager> SurfaceManager::FromConfig(std::string config,
                                                           SurfaceOptions surfaceOptions) {
    if (config == "vk") {
        return makeVulkanSurfaceManager(
                config,
                surfaceOptions,
                GrContextOptions(),
                sk_gpu_test::GrContextFactory::ContextOverrides::kNone,
                SkColorInfo(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB()),
                SurfaceType::kDefault,
                SkSurfaceProps::kDefault_Flag,
                /* sampleCount= */ 1);
    }
    if (config == "vk_1010102") {
        return makeVulkanSurfaceManager(
                config,
                surfaceOptions,
                GrContextOptions(),
                sk_gpu_test::GrContextFactory::ContextOverrides::kNone,
                SkColorInfo(
                        kRGBA_1010102_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB()),
                SurfaceType::kDefault,
                SkSurfaceProps::kDefault_Flag,
                /* sampleCount= */ 1);
    }
    if (config == "vk_msaa4") {
        return makeVulkanSurfaceManager(
                config,
                surfaceOptions,
                GrContextOptions(),
                sk_gpu_test::GrContextFactory::ContextOverrides::kNone,
                SkColorInfo(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB()),
                SurfaceType::kDefault,
                SkSurfaceProps::kDefault_Flag,
                /* sampleCount= */ 4);
    }
    if (config == "vk_msaa8") {
        return makeVulkanSurfaceManager(
                config,
                surfaceOptions,
                GrContextOptions(),
                sk_gpu_test::GrContextFactory::ContextOverrides::kNone,
                SkColorInfo(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB()),
                SurfaceType::kDefault,
                SkSurfaceProps::kDefault_Flag,
                /* sampleCount= */ 8);
    }
    if (config == "vk_dmsaa") {
        return makeVulkanSurfaceManager(
                config,
                surfaceOptions,
                GrContextOptions(),
                sk_gpu_test::GrContextFactory::ContextOverrides::kNone,
                SkColorInfo(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB()),
                SurfaceType::kDefault,
                SkSurfaceProps::kDynamicMSAA_Flag,
                /* sampleCount= */ 1);
    }
    if (config == "vk_betex") {
        return makeVulkanSurfaceManager(
                config,
                surfaceOptions,
                GrContextOptions(),
                sk_gpu_test::GrContextFactory::ContextOverrides::kNone,
                SkColorInfo(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB()),
                SurfaceType::kBackendTexture,
                SkSurfaceProps::kDefault_Flag,
                /* sampleCount= */ 1);
    }
    if (config == "vk_bert") {
        return makeVulkanSurfaceManager(
                config,
                surfaceOptions,
                GrContextOptions(),
                sk_gpu_test::GrContextFactory::ContextOverrides::kNone,
                SkColorInfo(kRGBA_8888_SkColorType, kPremul_SkAlphaType, SkColorSpace::MakeSRGB()),
                SurfaceType::kBackendRenderTarget,
                SkSurfaceProps::kDefault_Flag,
                /* sampleCount= */ 1);
    }
 
    return nullptr;
}