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RenderVulkan Experiments: DO-NOT-MERGE: Introduce functionality to frame interpolation

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The functionality acts much more like a real-time downscale since the FSR1 used by Yuzu is not compatible with a real interpolation and is just upscale and downscale.
This commit is contained in:
MrPurple666 2025-04-12 03:20:42 -03:00
parent 38737f26e5
commit 2a793d610d
1 changed files with 62 additions and 5 deletions
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65
src/video_core/renderer_vulkan/renderer_vulkan.cpp
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@ -172,11 +172,68 @@ class BooleanSetting {
} }
void RendererVulkan::InterpolateFrames(Frame* prev_frame, Frame* interpolated_frame) { void RendererVulkan::InterpolateFrames(Frame* prev_frame, Frame* interpolated_frame) {
if (prev_frame && interpolated_frame) { if (!prev_frame || !interpolated_frame || !prev_frame->image || !interpolated_frame->image) {
*interpolated_frame = std::move(*prev_frame); // Use move assignment to avoid copy issues return;
// TODO: Implement actual interpolation logic here
} }
const auto& framebuffer_layout = render_window.GetFramebufferLayout();
// Fixed aggressive downscale (50%)
VkExtent2D dst_extent{
.width = framebuffer_layout.width / 2,
.height = framebuffer_layout.height / 2
};
// Check if we need to recreate the destination frame
bool needs_recreation = true;
if (interpolated_frame->image_view) {
// Get image extent from framebuffer layout since we can't query it directly
needs_recreation = (framebuffer_layout.width / 2 != dst_extent.width) ||
(framebuffer_layout.height / 2 != dst_extent.height);
}
if (needs_recreation) {
interpolated_frame->image = CreateWrappedImage(memory_allocator, dst_extent, swapchain.GetImageViewFormat());
interpolated_frame->image_view = CreateWrappedImageView(device, interpolated_frame->image, swapchain.GetImageViewFormat());
interpolated_frame->framebuffer = blit_swapchain.CreateFramebuffer(
Layout::FramebufferLayout{dst_extent.width, dst_extent.height},
*interpolated_frame->image_view,
swapchain.GetImageViewFormat());
}
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([&](vk::CommandBuffer cmdbuf) {
// Transition images to transfer layouts
TransitionImageLayout(cmdbuf, *prev_frame->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
TransitionImageLayout(cmdbuf, *interpolated_frame->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
// Perform the downscale blit
VkImageBlit blit_region{};
blit_region.srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
blit_region.srcOffsets[0] = {0, 0, 0};
blit_region.srcOffsets[1] = {
static_cast<int32_t>(framebuffer_layout.width),
static_cast<int32_t>(framebuffer_layout.height),
1
};
blit_region.dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
blit_region.dstOffsets[0] = {0, 0, 0};
blit_region.dstOffsets[1] = {
static_cast<int32_t>(dst_extent.width),
static_cast<int32_t>(dst_extent.height),
1
};
// Using the wrapper's BlitImage with proper parameters
cmdbuf.BlitImage(
*prev_frame->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
*interpolated_frame->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
blit_region, VK_FILTER_LINEAR
);
// Transition back to general layout
TransitionImageLayout(cmdbuf, *prev_frame->image, VK_IMAGE_LAYOUT_GENERAL);
TransitionImageLayout(cmdbuf, *interpolated_frame->image, VK_IMAGE_LAYOUT_GENERAL);
});
} }
#endif #endif