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      1 /*
      2  * Copyright 2018 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 // This is a GPU-backend specific test. It relies on static intializers to work
      9 
     10 #include "SkTypes.h"
     11 
     12 #if SK_SUPPORT_GPU && defined(SK_VULKAN)
     13 
     14 #include "vk/GrVkVulkan.h"
     15 
     16 #include "GrBackendDrawableInfo.h"
     17 #include "GrContextFactory.h"
     18 #include "GrContextPriv.h"
     19 #include "SkDrawable.h"
     20 #include "SkSurface.h"
     21 #include "Test.h"
     22 #include "vk/GrVkGpu.h"
     23 #include "vk/GrVkInterface.h"
     24 #include "vk/GrVkMemory.h"
     25 #include "vk/GrVkSecondaryCBDrawContext.h"
     26 #include "vk/GrVkUtil.h"
     27 
     28 using sk_gpu_test::GrContextFactory;
     29 
     30 static const int DEV_W = 16, DEV_H = 16;
     31 
     32 class TestDrawable : public SkDrawable {
     33 public:
     34     TestDrawable(const GrVkInterface* interface, GrContext* context, int32_t width, int32_t height)
     35             : INHERITED()
     36             , fInterface(interface)
     37             , fContext(context)
     38             , fWidth(width)
     39             , fHeight(height) {}
     40 
     41     ~TestDrawable() override {}
     42 
     43     class DrawHandlerBasic : public GpuDrawHandler {
     44     public:
     45         DrawHandlerBasic(const GrVkInterface* interface, int32_t width, int32_t height)
     46             : INHERITED()
     47             , fInterface(interface)
     48             , fWidth(width)
     49             , fHeight(height) {}
     50         ~DrawHandlerBasic() override {}
     51 
     52         void draw(const GrBackendDrawableInfo& info) override {
     53             GrVkDrawableInfo vkInfo;
     54             SkAssertResult(info.getVkDrawableInfo(&vkInfo));
     55 
     56             // Clear to Red
     57             VkClearColorValue vkColor;
     58             vkColor.float32[0] = 1.0f; // r
     59             vkColor.float32[1] = 0.0f; // g
     60             vkColor.float32[2] = 0.0f; // b
     61             vkColor.float32[3] = 1.0f; // a
     62 
     63             // Clear right half of render target
     64             VkClearRect clearRect;
     65             clearRect.rect.offset = { fWidth / 2, 0 };
     66             clearRect.rect.extent = { (uint32_t)fWidth / 2, (uint32_t)fHeight };
     67             clearRect.baseArrayLayer = 0;
     68             clearRect.layerCount = 1;
     69 
     70             VkClearAttachment attachment;
     71             attachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
     72             attachment.colorAttachment = vkInfo.fColorAttachmentIndex;
     73             attachment.clearValue.color = vkColor;
     74 
     75             GR_VK_CALL(fInterface, CmdClearAttachments(vkInfo.fSecondaryCommandBuffer,
     76                                                        1,
     77                                                        &attachment,
     78                                                        1,
     79                                                        &clearRect));
     80             vkInfo.fDrawBounds->offset = { fWidth / 2, 0 };
     81             vkInfo.fDrawBounds->extent = { (uint32_t)fWidth / 2, (uint32_t)fHeight };
     82         }
     83     private:
     84         const GrVkInterface* fInterface;
     85         int32_t              fWidth;
     86         int32_t              fHeight;
     87 
     88         typedef GpuDrawHandler INHERITED;
     89     };
     90 
     91     typedef void (*DrawProc)(TestDrawable*, const SkMatrix&, const SkIRect&,
     92                              const SkImageInfo&, const GrVkDrawableInfo&);
     93     typedef void (*SubmitProc)(TestDrawable*);
     94 
     95     // Exercises the exporting of a secondary command buffer from one GrContext and then importing
     96     // it into a second GrContext. We then draw to the secondary command buffer from the second
     97     // GrContext.
     98     class DrawHandlerImport : public GpuDrawHandler {
     99     public:
    100         DrawHandlerImport(TestDrawable* td, DrawProc drawProc, SubmitProc submitProc,
    101                           const SkMatrix& matrix,
    102                           const SkIRect& clipBounds,
    103                           const SkImageInfo& bufferInfo)
    104             : INHERITED()
    105             , fTestDrawable(td)
    106             , fDrawProc(drawProc)
    107             , fSubmitProc(submitProc)
    108             , fMatrix(matrix)
    109             , fClipBounds(clipBounds)
    110             , fBufferInfo(bufferInfo) {}
    111         ~DrawHandlerImport() override {
    112             fSubmitProc(fTestDrawable);
    113         }
    114 
    115         void draw(const GrBackendDrawableInfo& info) override {
    116             GrVkDrawableInfo vkInfo;
    117             SkAssertResult(info.getVkDrawableInfo(&vkInfo));
    118 
    119             fDrawProc(fTestDrawable, fMatrix, fClipBounds, fBufferInfo, vkInfo);
    120         }
    121     private:
    122         TestDrawable*     fTestDrawable;
    123         DrawProc          fDrawProc;
    124         SubmitProc        fSubmitProc;
    125         const SkMatrix    fMatrix;
    126         const SkIRect     fClipBounds;
    127         const SkImageInfo fBufferInfo;
    128 
    129         typedef GpuDrawHandler INHERITED;
    130     };
    131 
    132     // Helper function to test drawing to a secondary command buffer that we imported into the
    133     // GrContext using a GrVkSecondaryCBDrawContext.
    134     static void ImportDraw(TestDrawable* td, const SkMatrix& matrix, const SkIRect& clipBounds,
    135                            const SkImageInfo& bufferInfo, const GrVkDrawableInfo& info) {
    136         td->fDrawContext = GrVkSecondaryCBDrawContext::Make(td->fContext, bufferInfo, info, nullptr);
    137         if (!td->fDrawContext) {
    138             return;
    139         }
    140 
    141         SkCanvas* canvas = td->fDrawContext->getCanvas();
    142         canvas->clipRect(SkRect::Make(clipBounds));
    143         canvas->setMatrix(matrix);
    144 
    145         SkIRect rect = SkIRect::MakeXYWH(td->fWidth/2, 0, td->fWidth/4, td->fHeight);
    146         SkPaint paint;
    147         paint.setColor(SK_ColorRED);
    148         canvas->drawIRect(rect, paint);
    149 
    150         // Draw to an offscreen target so that we end up with a mix of "real" secondary command
    151         // buffers and the imported secondary command buffer.
    152         sk_sp<SkSurface> surf = SkSurface::MakeRenderTarget(td->fContext, SkBudgeted::kYes,
    153                                                             bufferInfo);
    154         surf->getCanvas()->clear(SK_ColorRED);
    155 
    156         SkRect dstRect = SkRect::MakeXYWH(3*td->fWidth/4, 0, td->fWidth/4, td->fHeight);
    157         SkIRect srcRect = SkIRect::MakeWH(td->fWidth/4, td->fHeight);
    158         canvas->drawImageRect(surf->makeImageSnapshot(), srcRect, dstRect, &paint);
    159 
    160         td->fDrawContext->flush();
    161     }
    162 
    163     // Helper function to test waiting for the imported secondary command buffer to be submitted on
    164     // its original context and then cleaning up the GrVkSecondaryCBDrawContext from this GrContext.
    165     static void ImportSubmitted(TestDrawable* td) {
    166         // Typical use case here would be to create a fence that we submit to the gpu and then wait
    167         // on before releasing the GrVkSecondaryCBDrawContext resources. To simulate that for this
    168         // test (and since we are running single threaded anyways), we will just force a sync of
    169         // the gpu and cpu here.
    170         td->fContext->contextPriv().getGpu()->testingOnly_flushGpuAndSync();
    171 
    172         td->fDrawContext->releaseResources();
    173         // We release the GrContext here manually to test that we waited long enough before
    174         // releasing the GrVkSecondaryCBDrawContext. This simulates when a client is able to delete
    175         // the GrContext it used to imported the secondary command buffer. If we had released the
    176         // GrContext's resources earlier (before waiting on the gpu above), we would get vulkan
    177         // validation layer errors saying we freed some vulkan objects while they were still in use
    178         // on the GPU.
    179         td->fContext->releaseResourcesAndAbandonContext();
    180     }
    181 
    182 
    183     std::unique_ptr<GpuDrawHandler> onSnapGpuDrawHandler(GrBackendApi backendApi,
    184                                                          const SkMatrix& matrix,
    185                                                          const SkIRect& clipBounds,
    186                                                          const SkImageInfo& bufferInfo) override {
    187         if (backendApi != GrBackendApi::kVulkan) {
    188             return nullptr;
    189         }
    190         std::unique_ptr<GpuDrawHandler> draw;
    191         if (fContext) {
    192             draw.reset(new DrawHandlerImport(this, ImportDraw, ImportSubmitted, matrix,
    193                                              clipBounds, bufferInfo));
    194         } else {
    195             draw.reset(new DrawHandlerBasic(fInterface, fWidth, fHeight));
    196         }
    197         return draw;
    198     }
    199 
    200     SkRect onGetBounds() override {
    201         return SkRect::MakeLTRB(fWidth / 2, 0, fWidth, fHeight);
    202     }
    203 
    204     void onDraw(SkCanvas*) override {
    205         SkASSERT(false);
    206     }
    207 
    208 private:
    209     const GrVkInterface* fInterface;
    210     GrContext*           fContext;
    211     sk_sp<GrVkSecondaryCBDrawContext> fDrawContext;
    212     int32_t              fWidth;
    213     int32_t              fHeight;
    214 
    215     typedef SkDrawable INHERITED;
    216 };
    217 
    218 void draw_drawable_test(skiatest::Reporter* reporter, GrContext* context, GrContext* childContext) {
    219     GrVkGpu* gpu = static_cast<GrVkGpu*>(context->contextPriv().getGpu());
    220 
    221     const SkImageInfo ii = SkImageInfo::Make(DEV_W, DEV_H, kRGBA_8888_SkColorType,
    222                                              kPremul_SkAlphaType);
    223     sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo,
    224                                                          ii, 0, kTopLeft_GrSurfaceOrigin, nullptr));
    225     SkCanvas* canvas = surface->getCanvas();
    226     canvas->clear(SK_ColorBLUE);
    227 
    228     sk_sp<TestDrawable> drawable(new TestDrawable(gpu->vkInterface(), childContext, DEV_W, DEV_H));
    229     canvas->drawDrawable(drawable.get());
    230 
    231     SkPaint paint;
    232     paint.setColor(SK_ColorGREEN);
    233     SkIRect rect = SkIRect::MakeLTRB(0, DEV_H/2, DEV_W, DEV_H);
    234     canvas->drawIRect(rect, paint);
    235 
    236     // read pixels
    237     SkBitmap bitmap;
    238     bitmap.allocPixels(ii);
    239     canvas->readPixels(bitmap, 0, 0);
    240 
    241     const uint32_t* canvasPixels = static_cast<const uint32_t*>(bitmap.getPixels());
    242     bool failureFound = false;
    243     SkPMColor expectedPixel;
    244     for (int cy = 0; cy < DEV_H && !failureFound; ++cy) {
    245         for (int cx = 0; cx < DEV_W && !failureFound; ++cx) {
    246             SkPMColor canvasPixel = canvasPixels[cy * DEV_W + cx];
    247             if (cy < DEV_H / 2) {
    248                 if (cx < DEV_W / 2) {
    249                     expectedPixel = 0xFFFF0000; // Blue
    250                 } else {
    251                     expectedPixel = 0xFF0000FF; // Red
    252                 }
    253             } else {
    254                 expectedPixel = 0xFF00FF00; // Green
    255             }
    256             if (expectedPixel != canvasPixel) {
    257                 failureFound = true;
    258                 ERRORF(reporter, "Wrong color at %d, %d. Got 0x%08x when we expected 0x%08x",
    259                        cx, cy, canvasPixel, expectedPixel);
    260             }
    261         }
    262     }
    263 }
    264 
    265 DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkDrawableTest, reporter, ctxInfo) {
    266     draw_drawable_test(reporter, ctxInfo.grContext(), nullptr);
    267 }
    268 
    269 DEF_GPUTEST(VkDrawableImportTest, reporter, options) {
    270     for (int typeInt = 0; typeInt < sk_gpu_test::GrContextFactory::kContextTypeCnt; ++typeInt) {
    271         sk_gpu_test::GrContextFactory::ContextType contextType =
    272                 (sk_gpu_test::GrContextFactory::ContextType) typeInt;
    273         if (contextType != sk_gpu_test::GrContextFactory::kVulkan_ContextType) {
    274             continue;
    275         }
    276         sk_gpu_test::GrContextFactory factory(options);
    277         sk_gpu_test::ContextInfo ctxInfo = factory.getContextInfo(
    278                 contextType, sk_gpu_test::GrContextFactory::ContextOverrides::kDisableNVPR);
    279         skiatest::ReporterContext ctx(
    280                    reporter, SkString(sk_gpu_test::GrContextFactory::ContextTypeName(contextType)));
    281         if (ctxInfo.grContext()) {
    282             sk_gpu_test::ContextInfo child =
    283                     factory.getSharedContextInfo(ctxInfo.grContext(), 0);
    284             if (!child.grContext()) {
    285                 continue;
    286             }
    287 
    288             draw_drawable_test(reporter, ctxInfo.grContext(), child.grContext());
    289         }
    290     }
    291 }
    292 
    293 #endif
    294