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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// This is a GPU-backend specific test. It relies on static intializers to work
#include "SkTypes.h"
#if SK_SUPPORT_GPU && defined(SK_VULKAN)
#include "vk/GrVkVulkan.h"
#include "GrBackendDrawableInfo.h"
#include "GrContextFactory.h"
#include "GrContextPriv.h"
#include "SkDrawable.h"
#include "SkSurface.h"
#include "Test.h"
#include "vk/GrVkGpu.h"
#include "vk/GrVkInterface.h"
#include "vk/GrVkMemory.h"
#include "vk/GrVkSecondaryCBDrawContext.h"
#include "vk/GrVkUtil.h"
using sk_gpu_test::GrContextFactory;
static const int DEV_W = 16, DEV_H = 16;
class TestDrawable : public SkDrawable {
public:
TestDrawable(const GrVkInterface* interface, GrContext* context, int32_t width, int32_t height)
: INHERITED()
, fInterface(interface)
, fContext(context)
, fWidth(width)
, fHeight(height) {}
~TestDrawable() override {}
class DrawHandlerBasic : public GpuDrawHandler {
public:
DrawHandlerBasic(const GrVkInterface* interface, int32_t width, int32_t height)
: INHERITED()
, fInterface(interface)
, fWidth(width)
, fHeight(height) {}
~DrawHandlerBasic() override {}
void draw(const GrBackendDrawableInfo& info) override {
GrVkDrawableInfo vkInfo;
SkAssertResult(info.getVkDrawableInfo(&vkInfo));
// Clear to Red
VkClearColorValue vkColor;
vkColor.float32[0] = 1.0f; // r
vkColor.float32[1] = 0.0f; // g
vkColor.float32[2] = 0.0f; // b
vkColor.float32[3] = 1.0f; // a
// Clear right half of render target
VkClearRect clearRect;
clearRect.rect.offset = { fWidth / 2, 0 };
clearRect.rect.extent = { (uint32_t)fWidth / 2, (uint32_t)fHeight };
clearRect.baseArrayLayer = 0;
clearRect.layerCount = 1;
VkClearAttachment attachment;
attachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
attachment.colorAttachment = vkInfo.fColorAttachmentIndex;
attachment.clearValue.color = vkColor;
GR_VK_CALL(fInterface, CmdClearAttachments(vkInfo.fSecondaryCommandBuffer,
1,
&attachment,
1,
&clearRect));
vkInfo.fDrawBounds->offset = { fWidth / 2, 0 };
vkInfo.fDrawBounds->extent = { (uint32_t)fWidth / 2, (uint32_t)fHeight };
}
private:
const GrVkInterface* fInterface;
int32_t fWidth;
int32_t fHeight;
typedef GpuDrawHandler INHERITED;
};
typedef void (*DrawProc)(TestDrawable*, const SkMatrix&, const SkIRect&,
const SkImageInfo&, const GrVkDrawableInfo&);
typedef void (*SubmitProc)(TestDrawable*);
// Exercises the exporting of a secondary command buffer from one GrContext and then importing
// it into a second GrContext. We then draw to the secondary command buffer from the second
// GrContext.
class DrawHandlerImport : public GpuDrawHandler {
public:
DrawHandlerImport(TestDrawable* td, DrawProc drawProc, SubmitProc submitProc,
const SkMatrix& matrix,
const SkIRect& clipBounds,
const SkImageInfo& bufferInfo)
: INHERITED()
, fTestDrawable(td)
, fDrawProc(drawProc)
, fSubmitProc(submitProc)
, fMatrix(matrix)
, fClipBounds(clipBounds)
, fBufferInfo(bufferInfo) {}
~DrawHandlerImport() override {
fSubmitProc(fTestDrawable);
}
void draw(const GrBackendDrawableInfo& info) override {
GrVkDrawableInfo vkInfo;
SkAssertResult(info.getVkDrawableInfo(&vkInfo));
fDrawProc(fTestDrawable, fMatrix, fClipBounds, fBufferInfo, vkInfo);
}
private:
TestDrawable* fTestDrawable;
DrawProc fDrawProc;
SubmitProc fSubmitProc;
const SkMatrix fMatrix;
const SkIRect fClipBounds;
const SkImageInfo fBufferInfo;
typedef GpuDrawHandler INHERITED;
};
// Helper function to test drawing to a secondary command buffer that we imported into the
// GrContext using a GrVkSecondaryCBDrawContext.
static void ImportDraw(TestDrawable* td, const SkMatrix& matrix, const SkIRect& clipBounds,
const SkImageInfo& bufferInfo, const GrVkDrawableInfo& info) {
td->fDrawContext = GrVkSecondaryCBDrawContext::Make(td->fContext, bufferInfo, info, nullptr);
if (!td->fDrawContext) {
return;
}
SkCanvas* canvas = td->fDrawContext->getCanvas();
canvas->clipRect(SkRect::Make(clipBounds));
canvas->setMatrix(matrix);
SkIRect rect = SkIRect::MakeXYWH(td->fWidth/2, 0, td->fWidth/4, td->fHeight);
SkPaint paint;
paint.setColor(SK_ColorRED);
canvas->drawIRect(rect, paint);
// Draw to an offscreen target so that we end up with a mix of "real" secondary command
// buffers and the imported secondary command buffer.
sk_sp<SkSurface> surf = SkSurface::MakeRenderTarget(td->fContext, SkBudgeted::kYes,
bufferInfo);
surf->getCanvas()->clear(SK_ColorRED);
SkRect dstRect = SkRect::MakeXYWH(3*td->fWidth/4, 0, td->fWidth/4, td->fHeight);
SkIRect srcRect = SkIRect::MakeWH(td->fWidth/4, td->fHeight);
canvas->drawImageRect(surf->makeImageSnapshot(), srcRect, dstRect, &paint);
td->fDrawContext->flush();
}
// Helper function to test waiting for the imported secondary command buffer to be submitted on
// its original context and then cleaning up the GrVkSecondaryCBDrawContext from this GrContext.
static void ImportSubmitted(TestDrawable* td) {
// Typical use case here would be to create a fence that we submit to the gpu and then wait
// on before releasing the GrVkSecondaryCBDrawContext resources. To simulate that for this
// test (and since we are running single threaded anyways), we will just force a sync of
// the gpu and cpu here.
td->fContext->contextPriv().getGpu()->testingOnly_flushGpuAndSync();
td->fDrawContext->releaseResources();
// We release the GrContext here manually to test that we waited long enough before
// releasing the GrVkSecondaryCBDrawContext. This simulates when a client is able to delete
// the GrContext it used to imported the secondary command buffer. If we had released the
// GrContext's resources earlier (before waiting on the gpu above), we would get vulkan
// validation layer errors saying we freed some vulkan objects while they were still in use
// on the GPU.
td->fContext->releaseResourcesAndAbandonContext();
}
std::unique_ptr<GpuDrawHandler> onSnapGpuDrawHandler(GrBackendApi backendApi,
const SkMatrix& matrix,
const SkIRect& clipBounds,
const SkImageInfo& bufferInfo) override {
if (backendApi != GrBackendApi::kVulkan) {
return nullptr;
}
std::unique_ptr<GpuDrawHandler> draw;
if (fContext) {
draw.reset(new DrawHandlerImport(this, ImportDraw, ImportSubmitted, matrix,
clipBounds, bufferInfo));
} else {
draw.reset(new DrawHandlerBasic(fInterface, fWidth, fHeight));
}
return draw;
}
SkRect onGetBounds() override {
return SkRect::MakeLTRB(fWidth / 2, 0, fWidth, fHeight);
}
void onDraw(SkCanvas*) override {
SkASSERT(false);
}
private:
const GrVkInterface* fInterface;
GrContext* fContext;
sk_sp<GrVkSecondaryCBDrawContext> fDrawContext;
int32_t fWidth;
int32_t fHeight;
typedef SkDrawable INHERITED;
};
void draw_drawable_test(skiatest::Reporter* reporter, GrContext* context, GrContext* childContext) {
GrVkGpu* gpu = static_cast<GrVkGpu*>(context->contextPriv().getGpu());
const SkImageInfo ii = SkImageInfo::Make(DEV_W, DEV_H, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo,
ii, 0, kTopLeft_GrSurfaceOrigin, nullptr));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(SK_ColorBLUE);
sk_sp<TestDrawable> drawable(new TestDrawable(gpu->vkInterface(), childContext, DEV_W, DEV_H));
canvas->drawDrawable(drawable.get());
SkPaint paint;
paint.setColor(SK_ColorGREEN);
SkIRect rect = SkIRect::MakeLTRB(0, DEV_H/2, DEV_W, DEV_H);
canvas->drawIRect(rect, paint);
// read pixels
SkBitmap bitmap;
bitmap.allocPixels(ii);
canvas->readPixels(bitmap, 0, 0);
const uint32_t* canvasPixels = static_cast<const uint32_t*>(bitmap.getPixels());
bool failureFound = false;
SkPMColor expectedPixel;
for (int cy = 0; cy < DEV_H && !failureFound; ++cy) {
for (int cx = 0; cx < DEV_W && !failureFound; ++cx) {
SkPMColor canvasPixel = canvasPixels[cy * DEV_W + cx];
if (cy < DEV_H / 2) {
if (cx < DEV_W / 2) {
expectedPixel = 0xFFFF0000; // Blue
} else {
expectedPixel = 0xFF0000FF; // Red
}
} else {
expectedPixel = 0xFF00FF00; // Green
}
if (expectedPixel != canvasPixel) {
failureFound = true;
ERRORF(reporter, "Wrong color at %d, %d. Got 0x%08x when we expected 0x%08x",
cx, cy, canvasPixel, expectedPixel);
}
}
}
}
DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkDrawableTest, reporter, ctxInfo) {
draw_drawable_test(reporter, ctxInfo.grContext(), nullptr);
}
DEF_GPUTEST(VkDrawableImportTest, reporter, options) {
for (int typeInt = 0; typeInt < sk_gpu_test::GrContextFactory::kContextTypeCnt; ++typeInt) {
sk_gpu_test::GrContextFactory::ContextType contextType =
(sk_gpu_test::GrContextFactory::ContextType) typeInt;
if (contextType != sk_gpu_test::GrContextFactory::kVulkan_ContextType) {
continue;
}
sk_gpu_test::GrContextFactory factory(options);
sk_gpu_test::ContextInfo ctxInfo = factory.getContextInfo(
contextType, sk_gpu_test::GrContextFactory::ContextOverrides::kDisableNVPR);
skiatest::ReporterContext ctx(
reporter, SkString(sk_gpu_test::GrContextFactory::ContextTypeName(contextType)));
if (ctxInfo.grContext()) {
sk_gpu_test::ContextInfo child =
factory.getSharedContextInfo(ctxInfo.grContext(), 0);
if (!child.grContext()) {
continue;
}
draw_drawable_test(reporter, ctxInfo.grContext(), child.grContext());
}
}
}
#endif