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renderer_vulkan: Implement screenshots

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This commit is contained in:
ameerj 2021-07-28 21:45:55 -04:00
parent 548bac8989
commit 75e7f54fb0
2 changed files with 152 additions and 0 deletions
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150
src/video_core/renderer_vulkan/renderer_vulkan.cpp
View File

@ -138,6 +138,7 @@ void RendererVulkan::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
const bool use_accelerated =
rasterizer.AccelerateDisplay(*framebuffer, framebuffer_addr, framebuffer->stride);
const bool is_srgb = use_accelerated && screen_info.is_srgb;
RenderScreenshot(*framebuffer, use_accelerated);
bool has_been_recreated = false;
const auto recreate_swapchain = [&] {
@ -193,4 +194,153 @@ void RendererVulkan::Report() const {
telemetry_session.AddField(field, "GPU_Vulkan_Extensions", extensions);
}
void Vulkan::RendererVulkan::RenderScreenshot(const Tegra::FramebufferConfig& framebuffer,
bool use_accelerated) {
if (!renderer_settings.screenshot_requested) {
return;
}
const Layout::FramebufferLayout layout{renderer_settings.screenshot_framebuffer_layout};
vk::Image staging_image = device.GetLogical().CreateImage(VkImageCreateInfo{
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = nullptr,
.flags = VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT,
.imageType = VK_IMAGE_TYPE_2D,
.format = VK_FORMAT_B8G8R8A8_UNORM,
.extent =
{
.width = layout.width,
.height = layout.height,
.depth = 1,
},
.mipLevels = 1,
.arrayLayers = 1,
.samples = VK_SAMPLE_COUNT_1_BIT,
.tiling = VK_IMAGE_TILING_OPTIMAL,
.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
});
const auto image_commit = memory_allocator.Commit(staging_image, MemoryUsage::DeviceLocal);
const vk::ImageView dst_view = device.GetLogical().CreateImageView(VkImageViewCreateInfo{
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.image = *staging_image,
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = screen_info.is_srgb ? VK_FORMAT_B8G8R8A8_SRGB : VK_FORMAT_B8G8R8A8_UNORM,
.components{
.r = VK_COMPONENT_SWIZZLE_IDENTITY,
.g = VK_COMPONENT_SWIZZLE_IDENTITY,
.b = VK_COMPONENT_SWIZZLE_IDENTITY,
.a = VK_COMPONENT_SWIZZLE_IDENTITY,
},
.subresourceRange{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = VK_REMAINING_ARRAY_LAYERS,
},
});
const VkExtent2D render_area{.width = layout.width, .height = layout.height};
const vk::Framebuffer screenshot_fb = blit_screen.CreateFramebuffer(*dst_view, render_area);
// Since we're not rendering to the screen, ignore the render semaphore.
void(blit_screen.Draw(framebuffer, *screenshot_fb, layout, render_area, use_accelerated));
const auto buffer_size = static_cast<VkDeviceSize>(layout.width * layout.height * 4);
const VkBufferCreateInfo dst_buffer_info{
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = buffer_size,
.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
};
const vk::Buffer dst_buffer = device.GetLogical().CreateBuffer(dst_buffer_info);
MemoryCommit dst_buffer_memory = memory_allocator.Commit(dst_buffer, MemoryUsage::Download);
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([&](vk::CommandBuffer cmdbuf) {
const VkImageMemoryBarrier read_barrier{
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
.oldLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.image = *staging_image,
.subresourceRange{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = VK_REMAINING_MIP_LEVELS,
.baseArrayLayer = 0,
.layerCount = VK_REMAINING_ARRAY_LAYERS,
},
};
const VkImageMemoryBarrier image_write_barrier{
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = 0,
.dstAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
.newLayout = VK_IMAGE_LAYOUT_GENERAL,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.image = *staging_image,
.subresourceRange{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = VK_REMAINING_MIP_LEVELS,
.baseArrayLayer = 0,
.layerCount = VK_REMAINING_ARRAY_LAYERS,
},
};
static constexpr VkMemoryBarrier memory_write_barrier{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
};
const VkBufferImageCopy copy{
.bufferOffset = 0,
.bufferRowLength = 0,
.bufferImageHeight = 0,
.imageSubresource{
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1,
},
.imageOffset{.x = 0, .y = 0, .z = 0},
.imageExtent{
.width = layout.width,
.height = layout.height,
.depth = 1,
},
};
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, read_barrier);
cmdbuf.CopyImageToBuffer(*staging_image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *dst_buffer,
copy);
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
0, memory_write_barrier, nullptr, image_write_barrier);
});
// Ensure the copy is fully completed before saving the screenshot
scheduler.Finish();
// Copy backing image data to the QImage screenshot buffer
const auto dst_memory_map = dst_buffer_memory.Map();
std::memcpy(renderer_settings.screenshot_bits, dst_memory_map.data(), dst_memory_map.size());
renderer_settings.screenshot_complete_callback();
renderer_settings.screenshot_requested = false;
}
} // namespace Vulkan

2
src/video_core/renderer_vulkan/renderer_vulkan.h
View File

@ -54,6 +54,8 @@ public:
private:
void Report() const;
void RenderScreenshot(const Tegra::FramebufferConfig& framebuffer, bool use_accelerated);
Core::TelemetrySession& telemetry_session;
Core::Memory::Memory& cpu_memory;
Tegra::GPU& gpu;