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[renderer_vulkan, sgsr] Playing a bit with viewports

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CamilleLaVey 2026-01-14 13:43:45 -04:00 • committed by lizzie
parent be1b0803fd
commit c3d4ec37db
1 changed files with 7 additions and 5 deletions
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12
src/video_core/renderer_vulkan/present/sgsr.cpp
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@ -116,12 +116,14 @@ VkImageView SGSR::Draw(Scheduler& scheduler, size_t image_index, VkImage source_
const f32 viewport_width = (crop_rect.right - crop_rect.left) * input_image_width;
const f32 viewport_height = (crop_rect.bottom - crop_rect.top) * input_image_height;
// highp vec4
// ViewportInfo[0] = vec4(1/inputWidth, 1/inputHeight, inputWidth, inputHeight)
// .xy = pixel step size for texture sampling
// .zw = input texture dimensions for coordinate scaling
PushConstants viewport_con{};
viewport_con[2] = std::bit_cast<u32>(0.5f * viewport_width / output_image_width - 0.5f + viewport_x);
viewport_con[3] = std::bit_cast<u32>(0.5f * viewport_height / output_image_height - 0.5f + viewport_y);
viewport_con[0] = std::bit_cast<u32>(1.f / std::bit_cast<f32>(viewport_con[2]));
viewport_con[1] = std::bit_cast<u32>(1.f / std::bit_cast<f32>(viewport_con[3]));
viewport_con[0] = std::bit_cast<u32>(1.f / input_image_width);
viewport_con[1] = std::bit_cast<u32>(1.f / input_image_height);
viewport_con[2] = std::bit_cast<u32>(input_image_width);
viewport_con[3] = std::bit_cast<u32>(input_image_height);
UploadImages(scheduler);
UpdateDescriptorSets(source_image_view, image_index);