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synced 2024-08-20 09:13:22 +02:00
renderer_vulkan: Implement screenshots
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548bac8989
commit
75e7f54fb0
@ -138,6 +138,7 @@ void RendererVulkan::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
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const bool use_accelerated =
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rasterizer.AccelerateDisplay(*framebuffer, framebuffer_addr, framebuffer->stride);
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const bool is_srgb = use_accelerated && screen_info.is_srgb;
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RenderScreenshot(*framebuffer, use_accelerated);
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bool has_been_recreated = false;
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const auto recreate_swapchain = [&] {
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@ -193,4 +194,153 @@ void RendererVulkan::Report() const {
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telemetry_session.AddField(field, "GPU_Vulkan_Extensions", extensions);
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}
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void Vulkan::RendererVulkan::RenderScreenshot(const Tegra::FramebufferConfig& framebuffer,
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bool use_accelerated) {
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if (!renderer_settings.screenshot_requested) {
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return;
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}
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const Layout::FramebufferLayout layout{renderer_settings.screenshot_framebuffer_layout};
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vk::Image staging_image = device.GetLogical().CreateImage(VkImageCreateInfo{
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.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
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.pNext = nullptr,
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.flags = VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT,
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.imageType = VK_IMAGE_TYPE_2D,
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.format = VK_FORMAT_B8G8R8A8_UNORM,
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.extent =
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{
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.width = layout.width,
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.height = layout.height,
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.depth = 1,
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},
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.mipLevels = 1,
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.arrayLayers = 1,
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.samples = VK_SAMPLE_COUNT_1_BIT,
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.tiling = VK_IMAGE_TILING_OPTIMAL,
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.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT |
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VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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.queueFamilyIndexCount = 0,
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.pQueueFamilyIndices = nullptr,
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.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
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});
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const auto image_commit = memory_allocator.Commit(staging_image, MemoryUsage::DeviceLocal);
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const vk::ImageView dst_view = device.GetLogical().CreateImageView(VkImageViewCreateInfo{
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.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.image = *staging_image,
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.viewType = VK_IMAGE_VIEW_TYPE_2D,
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.format = screen_info.is_srgb ? VK_FORMAT_B8G8R8A8_SRGB : VK_FORMAT_B8G8R8A8_UNORM,
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.components{
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.r = VK_COMPONENT_SWIZZLE_IDENTITY,
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.g = VK_COMPONENT_SWIZZLE_IDENTITY,
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.b = VK_COMPONENT_SWIZZLE_IDENTITY,
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.a = VK_COMPONENT_SWIZZLE_IDENTITY,
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},
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.subresourceRange{
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.baseMipLevel = 0,
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.levelCount = 1,
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.baseArrayLayer = 0,
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.layerCount = VK_REMAINING_ARRAY_LAYERS,
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},
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});
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const VkExtent2D render_area{.width = layout.width, .height = layout.height};
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const vk::Framebuffer screenshot_fb = blit_screen.CreateFramebuffer(*dst_view, render_area);
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// Since we're not rendering to the screen, ignore the render semaphore.
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void(blit_screen.Draw(framebuffer, *screenshot_fb, layout, render_area, use_accelerated));
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const auto buffer_size = static_cast<VkDeviceSize>(layout.width * layout.height * 4);
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const VkBufferCreateInfo dst_buffer_info{
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.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.size = buffer_size,
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.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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.queueFamilyIndexCount = 0,
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.pQueueFamilyIndices = nullptr,
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};
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const vk::Buffer dst_buffer = device.GetLogical().CreateBuffer(dst_buffer_info);
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MemoryCommit dst_buffer_memory = memory_allocator.Commit(dst_buffer, MemoryUsage::Download);
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([&](vk::CommandBuffer cmdbuf) {
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const VkImageMemoryBarrier read_barrier{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
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.oldLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR,
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.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = *staging_image,
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.subresourceRange{
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.baseMipLevel = 0,
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.levelCount = VK_REMAINING_MIP_LEVELS,
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.baseArrayLayer = 0,
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.layerCount = VK_REMAINING_ARRAY_LAYERS,
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},
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};
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const VkImageMemoryBarrier image_write_barrier{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = 0,
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.dstAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
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.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
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.newLayout = VK_IMAGE_LAYOUT_GENERAL,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = *staging_image,
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.subresourceRange{
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.baseMipLevel = 0,
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.levelCount = VK_REMAINING_MIP_LEVELS,
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.baseArrayLayer = 0,
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.layerCount = VK_REMAINING_ARRAY_LAYERS,
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},
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};
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static constexpr VkMemoryBarrier memory_write_barrier{
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.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
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};
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const VkBufferImageCopy copy{
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.bufferOffset = 0,
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.bufferRowLength = 0,
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.bufferImageHeight = 0,
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.imageSubresource{
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.mipLevel = 0,
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.baseArrayLayer = 0,
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.layerCount = 1,
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},
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.imageOffset{.x = 0, .y = 0, .z = 0},
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.imageExtent{
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.width = layout.width,
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.height = layout.height,
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.depth = 1,
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},
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};
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
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0, read_barrier);
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cmdbuf.CopyImageToBuffer(*staging_image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *dst_buffer,
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copy);
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
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0, memory_write_barrier, nullptr, image_write_barrier);
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});
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// Ensure the copy is fully completed before saving the screenshot
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scheduler.Finish();
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// Copy backing image data to the QImage screenshot buffer
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const auto dst_memory_map = dst_buffer_memory.Map();
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std::memcpy(renderer_settings.screenshot_bits, dst_memory_map.data(), dst_memory_map.size());
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renderer_settings.screenshot_complete_callback();
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renderer_settings.screenshot_requested = false;
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}
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} // namespace Vulkan
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@ -54,6 +54,8 @@ public:
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private:
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void Report() const;
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void RenderScreenshot(const Tegra::FramebufferConfig& framebuffer, bool use_accelerated);
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Core::TelemetrySession& telemetry_session;
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Core::Memory::Memory& cpu_memory;
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Tegra::GPU& gpu;
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