void QVGEGLWindowSurfaceVGImage::beginPaint(QWidget *widget)
{
QEglContext *context = ensureContext(widget);
if (context) {
if (recreateBackBuffer || backBufferSurface == EGL_NO_SURFACE) {
// Create a VGImage object to act as the back buffer
// for this window. We have to create the VGImage with a
// current context, so activate the main surface for the window.
context->makeCurrent(mainSurface());
recreateBackBuffer = false;
if (backBufferSurface != EGL_NO_SURFACE) {
eglDestroySurface(QEgl::display(), backBufferSurface);
backBufferSurface = EGL_NO_SURFACE;
}
if (backBuffer != VG_INVALID_HANDLE) {
vgDestroyImage(backBuffer);
}
VGImageFormat format = qt_vg_config_to_vg_format(context);
backBuffer = vgCreateImage
(format, size.width(), size.height(),
VG_IMAGE_QUALITY_FASTER);
if (backBuffer != VG_INVALID_HANDLE) {
// Create an EGL surface for rendering into the VGImage.
backBufferSurface = eglCreatePbufferFromClientBuffer
(QEgl::display(), EGL_OPENVG_IMAGE,
(EGLClientBuffer)(backBuffer),
context->config(), NULL);
if (backBufferSurface == EGL_NO_SURFACE) {
vgDestroyImage(backBuffer);
backBuffer = VG_INVALID_HANDLE;
}
}
}
if (backBufferSurface != EGL_NO_SURFACE)
context->makeCurrent(backBufferSurface);
else
context->makeCurrent(mainSurface());
isPaintingActive = true;
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(EmptySurfaceSemaphoreTest, reporter, ctxInfo) {
GrContext* ctx = ctxInfo.grContext();
if (!ctx->caps()->fenceSyncSupport()) {
return;
}
const SkImageInfo ii = SkImageInfo::Make(MAIN_W, MAIN_H, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
sk_sp<SkSurface> mainSurface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo,
ii, 0, kTopLeft_GrSurfaceOrigin,
nullptr));
// Flush surface once without semaphores to make sure there is no peneding IO for it.
mainSurface->flush();
GrBackendSemaphore semaphore;
GrSemaphoresSubmitted submitted = mainSurface->flushAndSignalSemaphores(1, &semaphore);
REPORTER_ASSERT(reporter, GrSemaphoresSubmitted::kYes == submitted);
if (kOpenGL_GrBackend == ctxInfo.backend()) {
GrGLGpu* gpu = static_cast<GrGLGpu*>(ctx->contextPriv().getGpu());
const GrGLInterface* interface = gpu->glInterface();
GrGLsync sync = semaphore.glSync();
REPORTER_ASSERT(reporter, sync);
bool result;
GR_GL_CALL_RET(interface, result, IsSync(sync));
REPORTER_ASSERT(reporter, result);
}
#ifdef SK_VULKAN
if (kVulkan_GrBackend == ctxInfo.backend()) {
GrVkGpu* gpu = static_cast<GrVkGpu*>(ctx->contextPriv().getGpu());
const GrVkInterface* interface = gpu->vkInterface();
VkDevice device = gpu->device();
VkQueue queue = gpu->queue();
VkCommandPool cmdPool = gpu->cmdPool();
VkCommandBuffer cmdBuffer;
// Create Command Buffer
const VkCommandBufferAllocateInfo cmdInfo = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, // sType
nullptr, // pNext
cmdPool, // commandPool
VK_COMMAND_BUFFER_LEVEL_PRIMARY, // level
1 // bufferCount
};
VkResult err = GR_VK_CALL(interface, AllocateCommandBuffers(device, &cmdInfo, &cmdBuffer));
if (err) {
return;
}
VkCommandBufferBeginInfo cmdBufferBeginInfo;
memset(&cmdBufferBeginInfo, 0, sizeof(VkCommandBufferBeginInfo));
cmdBufferBeginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
cmdBufferBeginInfo.pNext = nullptr;
cmdBufferBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
cmdBufferBeginInfo.pInheritanceInfo = nullptr;
GR_VK_CALL_ERRCHECK(interface, BeginCommandBuffer(cmdBuffer, &cmdBufferBeginInfo));
GR_VK_CALL_ERRCHECK(interface, EndCommandBuffer(cmdBuffer));
VkFenceCreateInfo fenceInfo;
VkFence fence;
memset(&fenceInfo, 0, sizeof(VkFenceCreateInfo));
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
err = GR_VK_CALL(interface, CreateFence(device, &fenceInfo, nullptr, &fence));
SkASSERT(!err);
VkPipelineStageFlags waitStages = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
VkSubmitInfo submitInfo;
memset(&submitInfo, 0, sizeof(VkSubmitInfo));
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.pNext = nullptr;
submitInfo.waitSemaphoreCount = 1;
VkSemaphore vkSem = semaphore.vkSemaphore();
submitInfo.pWaitSemaphores = &vkSem;
submitInfo.pWaitDstStageMask = &waitStages;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &cmdBuffer;
submitInfo.signalSemaphoreCount = 0;
submitInfo.pSignalSemaphores = nullptr;
GR_VK_CALL_ERRCHECK(interface, QueueSubmit(queue, 1, &submitInfo, fence));
err = GR_VK_CALL(interface, WaitForFences(device, 1, &fence, true, 3000000000));
REPORTER_ASSERT(reporter, err != VK_TIMEOUT);
GR_VK_CALL(interface, DestroyFence(device, fence, nullptr));
GR_VK_CALL(interface, DestroySemaphore(device, vkSem, nullptr));
// If the above test fails the wait semaphore will never be signaled which can cause the
// device to hang when tearing down (even if just tearing down GL). So we Fail here to
// kill things.
if (err == VK_TIMEOUT) {
SK_ABORT("Waiting on semaphore indefinitely");
}
}
#endif
}
void surface_semaphore_test(skiatest::Reporter* reporter,
const sk_gpu_test::ContextInfo& mainInfo,
const sk_gpu_test::ContextInfo& childInfo1,
const sk_gpu_test::ContextInfo& childInfo2,
bool flushContext) {
GrContext* mainCtx = mainInfo.grContext();
if (!mainCtx->caps()->fenceSyncSupport()) {
return;
}
const SkImageInfo ii = SkImageInfo::Make(MAIN_W, MAIN_H, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
sk_sp<SkSurface> mainSurface(SkSurface::MakeRenderTarget(mainCtx, SkBudgeted::kNo,
ii, 0, kTopLeft_GrSurfaceOrigin,
nullptr));
SkCanvas* mainCanvas = mainSurface->getCanvas();
mainCanvas->clear(SK_ColorBLUE);
SkAutoTArray<GrBackendSemaphore> semaphores(2);
#ifdef SK_VULKAN
if (kVulkan_GrBackend == mainInfo.backend()) {
// Initialize the secondary semaphore instead of having Ganesh create one internally
GrVkGpu* gpu = static_cast<GrVkGpu*>(mainCtx->contextPriv().getGpu());
const GrVkInterface* interface = gpu->vkInterface();
VkDevice device = gpu->device();
VkSemaphore vkSem;
VkSemaphoreCreateInfo createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
createInfo.pNext = nullptr;
createInfo.flags = 0;
GR_VK_CALL_ERRCHECK(interface, CreateSemaphore(device, &createInfo, nullptr, &vkSem));
semaphores[1].initVulkan(vkSem);
}
#endif
if (flushContext) {
mainCtx->flushAndSignalSemaphores(2, semaphores.get());
} else {
mainSurface->flushAndSignalSemaphores(2, semaphores.get());
}
sk_sp<SkImage> mainImage = mainSurface->makeImageSnapshot();
GrBackendTexture backendTexture = mainImage->getBackendTexture(false);
draw_child(reporter, childInfo1, backendTexture, semaphores[0]);
#ifdef SK_VULKAN
if (kVulkan_GrBackend == mainInfo.backend()) {
// In Vulkan we need to make sure we are sending the correct VkImageLayout in with the
// backendImage. After the first child draw the layout gets changed to SHADER_READ, so
// we just manually set that here.
GrVkImageInfo vkInfo;
SkAssertResult(backendTexture.getVkImageInfo(&vkInfo));
vkInfo.updateImageLayout(VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
}
#endif
draw_child(reporter, childInfo2, backendTexture, semaphores[1]);
}
