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Implement non-indexed quad conversion support in new GPU
Uses memory::Buffer directly to allow for cleaner recreation and allow for removing host-only buffers from Buffer in the future.
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@ -3,6 +3,7 @@
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// Copyright © 2022 Skyline Team and Contributors (https://github.com/skyline-emu/)
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#include <gpu/interconnect/command_executor.h>
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#include <gpu/interconnect/conversion/quads.h>
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#include <vulkan/vulkan_structs.hpp>
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#include "common/utils.h"
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#include "maxwell_3d.h"
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@ -27,6 +28,7 @@ namespace skyline::gpu::interconnect::maxwell3d {
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activeState.MarkAllDirty();
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constantBuffers.MarkAllDirty();
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samplers.MarkAllDirty();
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quadConversionBufferAttached = false;
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});
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executor.AddPipelineChangeCallback([this] {
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@ -34,6 +36,24 @@ namespace skyline::gpu::interconnect::maxwell3d {
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});
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}
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vk::DeviceSize Maxwell3D::UpdateQuadConversionBuffer(u32 count, u32 firstVertex) {
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vk::DeviceSize offset{conversion::quads::GetRequiredBufferSize(firstVertex, sizeof(u32))};
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vk::DeviceSize size{conversion::quads::GetRequiredBufferSize(count, sizeof(u32)) + offset};
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if (!quadConversionBuffer || quadConversionBuffer->size_bytes() < size) {
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quadConversionBuffer = std::make_shared<memory::Buffer>(ctx.gpu.memory.AllocateBuffer(util::AlignUp(size, PAGE_SIZE)));
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conversion::quads::GenerateQuadListConversionBuffer(quadConversionBuffer->cast<u32>().data(), firstVertex + count);
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quadConversionBufferAttached = false;
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}
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if (!quadConversionBufferAttached) {
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ctx.executor.AttachDependency(quadConversionBuffer);
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quadConversionBufferAttached = true;
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}
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return offset;
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}
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vk::Rect2D Maxwell3D::GetClearScissor() {
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const auto &clearSurfaceControl{clearEngineRegisters.clearSurfaceControl};
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@ -173,6 +193,18 @@ namespace skyline::gpu::interconnect::maxwell3d {
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Pipeline *oldPipeline{activeState.GetPipeline()};
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activeState.Update(ctx, builder, indexed, topology, count);
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if (directState.inputAssembly.NeedsQuadConversion()) {
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count = conversion::quads::GetIndexCount(count);
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first = 0;
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if (!indexed) {
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// Use an index buffer to emulate quad lists with a triangle list input topology
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vk::DeviceSize offset{UpdateQuadConversionBuffer(count, first)};
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builder.SetIndexBuffer(BufferBinding{quadConversionBuffer->vkBuffer, offset}, vk::IndexType::eUint32);
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indexed = true;
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}
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}
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Pipeline *pipeline{activeState.GetPipeline()};
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auto *descUpdateInfo{[&]() -> DescriptorUpdateInfo * {
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@ -42,9 +42,13 @@ namespace skyline::gpu::interconnect::maxwell3d {
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ClearEngineRegisters clearEngineRegisters;
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ConstantBuffers constantBuffers;
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Samplers samplers;
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std::shared_ptr<memory::Buffer> quadConversionBuffer{};
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bool quadConversionBufferAttached{};
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DescriptorAllocator::ActiveDescriptorSet *activeDescriptorSet{};
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size_t UpdateQuadConversionBuffer(u32 count, u32 firstVertex);
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vk::Rect2D GetClearScissor();
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public:
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