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Allow draws with no descriptor set resources
The `descriptorSetWrites` being filled is now optional and the case of it being empty is handled correctly, this is done by certain titles such as ARMS and is entirely valid behavior. It should be noted that not doing this leads to errors in the guest due to invalid GPU state while working on the host GPU.
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@ -863,6 +863,10 @@ namespace skyline::gpu::interconnect {
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std::vector<vk::WriteDescriptorSet> &operator*() {
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return writes;
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}
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std::vector<vk::WriteDescriptorSet> *operator->() {
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return &writes;
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}
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};
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DescriptorSetWrites descriptorSetWrites; //!< The writes to the descriptor set that need to be done prior to executing a pipeline
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@ -2861,10 +2865,12 @@ namespace skyline::gpu::interconnect {
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};
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std::shared_ptr<DrawStorage> drawStorage{};
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if (gpu.traits.supportsPushDescriptors)
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drawStorage = std::make_shared<DrawStorage>(std::move(programState.descriptorSetWrites));
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else {
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drawStorage = std::make_shared<DrawStorage>(std::move(programState.descriptorSetWrites), gpu.descriptor.AllocateSet(compiledPipeline.descriptorSetLayout));
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if (!programState.descriptorSetWrites->empty()) {
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if (gpu.traits.supportsPushDescriptors)
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drawStorage = std::make_shared<DrawStorage>(std::move(programState.descriptorSetWrites));
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else {
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drawStorage = std::make_shared<DrawStorage>(std::move(programState.descriptorSetWrites), gpu.descriptor.AllocateSet(compiledPipeline.descriptorSetLayout));
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}
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}
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// Submit Draw
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@ -2883,13 +2889,17 @@ namespace skyline::gpu::interconnect {
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}
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}
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if (supportsPushDescriptors) {
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commandBuffer.pushDescriptorSetKHR(vk::PipelineBindPoint::eGraphics, pipelineLayout, 0, *drawStorage->descriptorSetWrites);
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} else {
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for (auto &descriptorSetWrite : *drawStorage->descriptorSetWrites)
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descriptorSetWrite.dstSet = *drawStorage->descriptorSet;
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vkDevice.updateDescriptorSets(*drawStorage->descriptorSetWrites, nullptr);
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commandBuffer.bindDescriptorSets(vk::PipelineBindPoint::eGraphics, pipelineLayout, 0, *drawStorage->descriptorSet, nullptr);
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if (drawStorage) {
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if (supportsPushDescriptors) {
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commandBuffer.pushDescriptorSetKHR(vk::PipelineBindPoint::eGraphics, pipelineLayout, 0, *drawStorage->descriptorSetWrites);
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} else {
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for (auto &descriptorSetWrite : *drawStorage->descriptorSetWrites)
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descriptorSetWrite.dstSet = *drawStorage->descriptorSet;
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vkDevice.updateDescriptorSets(*drawStorage->descriptorSetWrites, nullptr);
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commandBuffer.bindDescriptorSets(vk::PipelineBindPoint::eGraphics, pipelineLayout, 0, *drawStorage->descriptorSet, nullptr);
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}
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cycle->AttachObject(drawStorage);
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}
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commandBuffer.bindPipeline(vk::PipelineBindPoint::eGraphics, pipeline);
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@ -2900,8 +2910,6 @@ namespace skyline::gpu::interconnect {
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} else {
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commandBuffer.draw(count, 1, first, 0);
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}
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cycle->AttachObject(drawStorage);
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}, vk::Rect2D{
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.extent = activeColorRenderTargets.empty() ? depthRenderTarget.guest.dimensions : activeColorRenderTargets.front()->texture->dimensions,
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}, {}, activeColorRenderTargets, depthRenderTargetView, !gpu.traits.quirks.relaxedRenderPassCompatibility);
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