bool VulkanRenderManager::CopyFramebufferToMemorySync(VKRFramebuffer *src, int aspectBits, int x, int y, int w, int h, Draw::DataFormat destFormat, uint8_t *pixels, int pixelStride) {
VKRStep *step = new VKRStep{ VKRStepType::READBACK };
step->readback.aspectMask = aspectBits;
step->readback.src = src;
step->readback.srcRect.offset = { x, y };
step->readback.srcRect.extent = { (uint32_t)w, (uint32_t)h };
steps_.push_back(step);
curRenderStep_ = nullptr;
FlushSync();
Draw::DataFormat srcFormat;
if (aspectBits & VK_IMAGE_ASPECT_COLOR_BIT) {
if (src) {
switch (src->color.format) {
case VK_FORMAT_R8G8B8A8_UNORM: srcFormat = Draw::DataFormat::R8G8B8A8_UNORM; break;
default: _assert_(false);
}
}
else {
// Backbuffer.
if (!(vulkan_->GetSurfaceCapabilities().supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_SRC_BIT)) {
ELOG("Copying from backbuffer not supported, can't take screenshots");
return false;
}
switch (vulkan_->GetSwapchainFormat()) {
case VK_FORMAT_B8G8R8A8_UNORM: srcFormat = Draw::DataFormat::B8G8R8A8_UNORM; break;
case VK_FORMAT_R8G8B8A8_UNORM: srcFormat = Draw::DataFormat::R8G8B8A8_UNORM; break;
// NOTE: If you add supported formats here, make sure to also support them in VulkanQueueRunner::CopyReadbackBuffer.
default:
ELOG("Unsupported backbuffer format for screenshots");
return false;
}
}
} else if (aspectBits & VK_IMAGE_ASPECT_STENCIL_BIT) {
// Copies from stencil are always S8.
srcFormat = Draw::DataFormat::S8;
} else if (aspectBits & VK_IMAGE_ASPECT_DEPTH_BIT) {
switch (src->depth.format) {
case VK_FORMAT_D24_UNORM_S8_UINT: srcFormat = Draw::DataFormat::D24_S8; break;
case VK_FORMAT_D32_SFLOAT_S8_UINT: srcFormat = Draw::DataFormat::D32F; break;
case VK_FORMAT_D16_UNORM_S8_UINT: srcFormat = Draw::DataFormat::D16; break;
default: _assert_(false);
}
} else {
_assert_(false);
}
// Need to call this after FlushSync so the pixels are guaranteed to be ready in CPU-accessible VRAM.
queueRunner_.CopyReadbackBuffer(w, h, srcFormat, destFormat, pixelStride, pixels);
return true;
}
void VulkanRenderManager::CopyImageToMemorySync(VkImage image, int mipLevel, int x, int y, int w, int h, Draw::DataFormat destFormat, uint8_t *pixels, int pixelStride) {
VKRStep *step = new VKRStep{ VKRStepType::READBACK_IMAGE };
step->readback_image.image = image;
step->readback_image.srcRect.offset = { x, y };
step->readback_image.srcRect.extent = { (uint32_t)w, (uint32_t)h };
step->readback_image.mipLevel = mipLevel;
steps_.push_back(step);
curRenderStep_ = nullptr;
FlushSync();
// Need to call this after FlushSync so the pixels are guaranteed to be ready in CPU-accessible VRAM.
queueRunner_.CopyReadbackBuffer(w, h, destFormat, destFormat, pixelStride, pixels);
}
NS_IMETHOD Run() {
FlushSync();
return NS_OK;
}
