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Implement SSBOs
Co-authored-by: Billy Laws <blaws05@gmail.com>
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@ -579,7 +579,7 @@ namespace skyline::gpu::interconnect {
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* @note This must only be called when the GuestBuffer is resolved correctly
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*/
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template<typename T>
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T Read(size_t offset) {
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T Read(size_t offset) const {
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T object;
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size_t objectOffset{};
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for (auto &mapping : guest.mappings) {
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@ -788,6 +788,23 @@ namespace skyline::gpu::interconnect {
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}
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}
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BufferView GetSsboViewFromDescriptor(const ::Shader::StorageBufferDescriptor &descriptor, const std::array<ConstantBuffer, maxwell3d::PipelineStageConstantBufferCount> &constantBuffers) {
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struct SsboDescriptor {
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IOVA iova;
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u32 size;
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};
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auto &cbuf{constantBuffers[descriptor.cbuf_index]};
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auto ssbo{cbuf.Read<SsboDescriptor>(descriptor.cbuf_offset)};
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auto mappings{channelCtx.asCtx->gmmu.TranslateRange(ssbo.iova, ssbo.size)};
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GuestBuffer guestBuffer;
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guestBuffer.mappings.assign(mappings.begin(), mappings.end());
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return gpu.buffer.FindOrCreate(guestBuffer);
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}
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/**
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* @note The return value of previous calls will be invalidated on a call to this as values are provided by reference
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* @note Any bound resources will automatically be attached to the CommandExecutor, there's no need to manually attach them
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@ -899,6 +916,8 @@ namespace skyline::gpu::interconnect {
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runtimeInfo.previous_stage_stores.mask |= program.info.passthrough.mask;
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bindings.unified = pipelineStage.bindingLast;
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// The different descriptors types must be written in the correct order.
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u32 bindingIndex{pipelineStage.bindingBase};
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if (!program.info.constant_buffer_descriptors.empty()) {
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descriptorSetWrites.push_back(vk::WriteDescriptorSet{
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@ -917,7 +936,7 @@ namespace skyline::gpu::interconnect {
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});
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auto view{pipelineStage.constantBuffers[constantBuffer.index].view};
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std::scoped_lock lock(view);
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std::scoped_lock lock{view};
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bufferInfo.push_back(vk::DescriptorBufferInfo{
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.buffer = view.buffer->GetBacking(),
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.offset = view->offset,
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@ -927,6 +946,40 @@ namespace skyline::gpu::interconnect {
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}
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}
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if (!program.info.storage_buffers_descriptors.empty()) {
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descriptorSetWrites.push_back({
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.dstBinding = bindingIndex,
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.descriptorCount = static_cast<u32>(program.info.storage_buffers_descriptors.size()),
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.descriptorType = vk::DescriptorType::eStorageBuffer,
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.pBufferInfo = bufferInfo.data() + bufferInfo.size(),
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});
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for (auto &storageBuffer : program.info.storage_buffers_descriptors) {
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layoutBindings.push_back(vk::DescriptorSetLayoutBinding{
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.binding = bindingIndex++,
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.descriptorType = vk::DescriptorType::eStorageBuffer,
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.descriptorCount = 1,
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.stageFlags = pipelineStage.vkStage,
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});
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auto view{GetSsboViewFromDescriptor(storageBuffer, pipelineStage.constantBuffers)};
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std::scoped_lock lock{view};
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bufferInfo.push_back(vk::DescriptorBufferInfo{
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.buffer = view.buffer->GetBacking(),
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.offset = view->offset,
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.range = view->range,
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});
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executor.AttachBuffer(view);
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}
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}
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if (!program.info.texture_buffer_descriptors.empty())
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Logger::Warn("Found {} texture buffer descriptor", program.info.texture_buffer_descriptors.size());
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if (!program.info.image_buffer_descriptors.empty())
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Logger::Warn("Found {} image buffer descriptor", program.info.image_buffer_descriptors.size());
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if (!program.info.texture_descriptors.empty()) {
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if (!gpu.traits.quirks.needsIndividualTextureBindingWrites)
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descriptorSetWrites.push_back(vk::WriteDescriptorSet{
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@ -977,6 +1030,9 @@ namespace skyline::gpu::interconnect {
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}
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}
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if (!program.info.image_descriptors.empty())
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Logger::Warn("Found {} image descriptor", program.info.image_descriptors.size());
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shaderModules.emplace_back(pipelineStage.vkModule);
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shaderStages.emplace_back(vk::PipelineShaderStageCreateInfo{
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.stage = pipelineStage.vkStage,
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