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Merge pull request #3753 from ReinUsesLisp/ac-vulkan
{gl,vk}_rasterizer: Add lazy default buffer maker and use it for empty buffers
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commit
7e38dd580f
@ -1259,7 +1259,8 @@ public:
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GPUVAddr LimitAddress() const {
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return static_cast<GPUVAddr>((static_cast<GPUVAddr>(limit_high) << 32) |
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limit_low);
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limit_low) +
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1;
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}
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} vertex_array_limit[NumVertexArrays];
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@ -186,8 +186,12 @@ void RasterizerOpenGL::SetupVertexBuffer() {
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const GPUVAddr start = vertex_array.StartAddress();
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const GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
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ASSERT(end > start);
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const u64 size = end - start + 1;
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ASSERT(end >= start);
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const u64 size = end - start;
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if (size == 0) {
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glBindVertexBuffer(static_cast<GLuint>(index), 0, 0, vertex_array.stride);
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continue;
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}
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const auto [vertex_buffer, vertex_buffer_offset] = buffer_cache.UploadMemory(start, size);
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glBindVertexBuffer(static_cast<GLuint>(index), vertex_buffer, vertex_buffer_offset,
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vertex_array.stride);
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@ -311,8 +315,8 @@ std::size_t RasterizerOpenGL::CalculateVertexArraysSize() const {
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const GPUVAddr start = regs.vertex_array[index].StartAddress();
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const GPUVAddr end = regs.vertex_array_limit[index].LimitAddress();
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ASSERT(end > start);
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size += end - start + 1;
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size += end - start;
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ASSERT(end >= start);
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}
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return size;
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@ -877,8 +877,12 @@ void RasterizerVulkan::SetupVertexArrays(FixedPipelineState::VertexInput& vertex
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const GPUVAddr start{vertex_array.StartAddress()};
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const GPUVAddr end{regs.vertex_array_limit[index].LimitAddress()};
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ASSERT(end > start);
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const std::size_t size{end - start + 1};
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ASSERT(end >= start);
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const std::size_t size{end - start};
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if (size == 0) {
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buffer_bindings.AddVertexBinding(DefaultBuffer(), 0);
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continue;
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}
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const auto [buffer, offset] = buffer_cache.UploadMemory(start, size);
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buffer_bindings.AddVertexBinding(buffer, offset);
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}
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@ -1033,8 +1037,7 @@ void RasterizerVulkan::SetupConstBuffer(const ConstBufferEntry& entry,
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const Tegra::Engines::ConstBufferInfo& buffer) {
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if (!buffer.enabled) {
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// Set values to zero to unbind buffers
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update_descriptor_queue.AddBuffer(buffer_cache.GetEmptyBuffer(sizeof(float)), 0,
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sizeof(float));
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update_descriptor_queue.AddBuffer(DefaultBuffer(), 0, DEFAULT_BUFFER_SIZE);
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return;
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}
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@ -1057,7 +1060,9 @@ void RasterizerVulkan::SetupGlobalBuffer(const GlobalBufferEntry& entry, GPUVAdd
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if (size == 0) {
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// Sometimes global memory pointers don't have a proper size. Upload a dummy entry
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// because Vulkan doesn't like empty buffers.
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constexpr std::size_t dummy_size = 4;
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// Note: Do *not* use DefaultBuffer() here, storage buffers can be written breaking the
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// default buffer.
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static constexpr std::size_t dummy_size = 4;
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const auto buffer = buffer_cache.GetEmptyBuffer(dummy_size);
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update_descriptor_queue.AddBuffer(buffer, 0, dummy_size);
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return;
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@ -1222,7 +1227,7 @@ std::size_t RasterizerVulkan::CalculateVertexArraysSize() const {
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const GPUVAddr end{regs.vertex_array_limit[index].LimitAddress()};
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DEBUG_ASSERT(end >= start);
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size += (end - start + 1) * regs.vertex_array[index].enable;
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size += (end - start) * regs.vertex_array[index].enable;
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}
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return size;
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}
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@ -1269,4 +1274,29 @@ RenderPassParams RasterizerVulkan::GetRenderPassParams(Texceptions texceptions)
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return renderpass_params;
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}
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VkBuffer RasterizerVulkan::DefaultBuffer() {
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if (default_buffer) {
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return *default_buffer;
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}
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VkBufferCreateInfo ci;
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ci.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
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ci.pNext = nullptr;
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ci.flags = 0;
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ci.size = DEFAULT_BUFFER_SIZE;
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ci.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
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VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
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ci.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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ci.queueFamilyIndexCount = 0;
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ci.pQueueFamilyIndices = nullptr;
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default_buffer = device.GetLogical().CreateBuffer(ci);
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default_buffer_commit = memory_manager.Commit(default_buffer, false);
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scheduler.RequestOutsideRenderPassOperationContext();
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scheduler.Record([buffer = *default_buffer](vk::CommandBuffer cmdbuf) {
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cmdbuf.FillBuffer(buffer, 0, DEFAULT_BUFFER_SIZE, 0);
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});
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return *default_buffer;
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}
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} // namespace Vulkan
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@ -155,6 +155,7 @@ private:
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using Texceptions = std::bitset<Maxwell::NumRenderTargets + 1>;
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static constexpr std::size_t ZETA_TEXCEPTION_INDEX = 8;
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static constexpr VkDeviceSize DEFAULT_BUFFER_SIZE = 4 * sizeof(float);
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void FlushWork();
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@ -247,6 +248,8 @@ private:
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RenderPassParams GetRenderPassParams(Texceptions texceptions) const;
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VkBuffer DefaultBuffer();
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Core::System& system;
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Core::Frontend::EmuWindow& render_window;
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VKScreenInfo& screen_info;
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@ -271,6 +274,9 @@ private:
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VKFenceManager fence_manager;
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VKQueryCache query_cache;
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vk::Buffer default_buffer;
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VKMemoryCommit default_buffer_commit;
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std::array<View, Maxwell::NumRenderTargets> color_attachments;
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View zeta_attachment;
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@ -81,7 +81,7 @@ VKBuffer& VKStagingBufferPool::CreateStagingBuffer(std::size_t size, bool host_v
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ci.size = 1ULL << log2;
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ci.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
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VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
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VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
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VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
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ci.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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ci.queueFamilyIndexCount = 0;
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ci.pQueueFamilyIndices = nullptr;
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