From b780d5b5c580a65a670de73140b743072efc0fd2 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Tue, 13 Jul 2021 03:33:08 +0200 Subject: [PATCH] DMAEngine: Accelerate BufferClear --- src/video_core/buffer_cache/buffer_cache.h | 65 +++++++++++++++++-- src/video_core/engines/maxwell_dma.cpp | 6 +- src/video_core/engines/maxwell_dma.h | 2 + .../renderer_opengl/gl_buffer_cache.cpp | 6 ++ .../renderer_opengl/gl_buffer_cache.h | 2 + .../renderer_opengl/gl_rasterizer.cpp | 5 ++ .../renderer_opengl/gl_rasterizer.h | 2 + .../renderer_vulkan/vk_buffer_cache.cpp | 24 +++++++ .../renderer_vulkan/vk_buffer_cache.h | 2 + .../renderer_vulkan/vk_rasterizer.cpp | 5 ++ .../renderer_vulkan/vk_rasterizer.h | 2 + 11 files changed, 115 insertions(+), 6 deletions(-) diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index 2871682f6..5f5a59bba 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -164,11 +164,16 @@ public: /// Pop asynchronous downloads void PopAsyncFlushes(); - [[nodiscard]] bool DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount); + bool DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount); + + bool DMAClear(GPUVAddr src_address, u64 amount, u32 value); /// Return true when a CPU region is modified from the GPU [[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size); + /// Return true when a region is registered on the cache + [[nodiscard]] bool IsRegionRegistered(VAddr addr, size_t size); + /// Return true when a CPU region is modified from the CPU [[nodiscard]] bool IsRegionCpuModified(VAddr addr, size_t size); @@ -469,8 +474,8 @@ bool BufferCache

::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am if (!cpu_src_address || !cpu_dest_address) { return false; } - const bool source_dirty = IsRegionGpuModified(*cpu_src_address, amount); - const bool dest_dirty = IsRegionGpuModified(*cpu_dest_address, amount); + const bool source_dirty = IsRegionRegistered(*cpu_src_address, amount); + const bool dest_dirty = IsRegionRegistered(*cpu_dest_address, amount); if (!source_dirty && !dest_dirty) { return false; } @@ -515,7 +520,7 @@ bool BufferCache

::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am } runtime.CopyBuffer(dest_buffer, src_buffer, copies); - if (source_dirty) { + if (IsRegionGpuModified(*cpu_src_address, amount)) { dest_buffer.MarkRegionAsGpuModified(*cpu_dest_address, amount); } std::vector tmp_buffer(amount); @@ -524,6 +529,37 @@ bool BufferCache

::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 am return true; } +template +bool BufferCache

::DMAClear(GPUVAddr dst_address, u64 amount, u32 value) { + const std::optional cpu_dst_address = gpu_memory.GpuToCpuAddress(dst_address); + if (!cpu_dst_address) { + return false; + } + const bool dest_dirty = IsRegionRegistered(*cpu_dst_address, amount); + if (!dest_dirty) { + return false; + } + + const IntervalType subtract_interval{*cpu_dst_address, *cpu_dst_address + amount * sizeof(u32)}; + uncommitted_ranges.subtract(subtract_interval); + for (auto& interval_set : committed_ranges) { + interval_set.subtract(subtract_interval); + } + common_ranges.subtract(subtract_interval); + + const size_t size = amount * sizeof(u32); + BufferId buffer; + do { + has_deleted_buffers = false; + buffer = FindBuffer(*cpu_dst_address, static_cast(size)); + } while (has_deleted_buffers); + + auto& dest_buffer = slot_buffers[buffer]; + const u32 offset = static_cast(*cpu_dst_address - dest_buffer.CpuAddr()); + runtime.ClearBuffer(dest_buffer, offset, size, value); + return true; +} + template void BufferCache

::BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr, u32 size) { @@ -781,6 +817,27 @@ bool BufferCache

::IsRegionGpuModified(VAddr addr, size_t size) { return false; } +template +bool BufferCache

::IsRegionRegistered(VAddr addr, size_t size) { + const VAddr end_addr = addr + size; + const u64 page_end = Common::DivCeil(end_addr, PAGE_SIZE); + for (u64 page = addr >> PAGE_BITS; page < page_end;) { + const BufferId buffer_id = page_table[page]; + if (!buffer_id) { + ++page; + continue; + } + Buffer& buffer = slot_buffers[buffer_id]; + const VAddr buf_start_addr = buffer.CpuAddr(); + const VAddr buf_end_addr = buf_start_addr + buffer.SizeBytes(); + if (buf_start_addr < end_addr && addr < buf_end_addr) { + return true; + } + page = Common::DivCeil(end_addr, PAGE_SIZE); + } + return false; +} + template bool BufferCache

::IsRegionCpuModified(VAddr addr, size_t size) { const u64 page_end = Common::DivCeil(addr + size, PAGE_SIZE); diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp index 24481952b..81becb88a 100644 --- a/src/video_core/engines/maxwell_dma.cpp +++ b/src/video_core/engines/maxwell_dma.cpp @@ -87,9 +87,11 @@ void MaxwellDMA::CopyPitchToPitch() { // TODO: allow multisized components. if (is_buffer_clear) { ASSERT(regs.remap_const.component_size_minus_one == 3); + accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_consta_value); std::vector tmp_buffer(regs.line_length_in, regs.remap_consta_value); - memory_manager.WriteBlock(regs.offset_out, reinterpret_cast(tmp_buffer.data()), - regs.line_length_in * sizeof(u32)); + memory_manager.WriteBlockUnsafe(regs.offset_out, + reinterpret_cast(tmp_buffer.data()), + regs.line_length_in * sizeof(u32)); return; } UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0); diff --git a/src/video_core/engines/maxwell_dma.h b/src/video_core/engines/maxwell_dma.h index 4ed0d0996..d3329b0f8 100644 --- a/src/video_core/engines/maxwell_dma.h +++ b/src/video_core/engines/maxwell_dma.h @@ -31,6 +31,8 @@ class AccelerateDMAInterface { public: /// Write the value to the register identified by method. virtual bool BufferCopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) = 0; + + virtual bool BufferClear(GPUVAddr src_address, u64 amount, u32 value) = 0; }; /** diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp index c225d1fc9..c4189fb60 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp @@ -98,6 +98,12 @@ void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer, } } +void BufferCacheRuntime::ClearBuffer(Buffer& dest_buffer, u32 offset, size_t size, u32 value) { + glClearNamedBufferSubData(dest_buffer.Handle(), GL_R32UI, static_cast(offset), + static_cast(size / sizeof(u32)), GL_RGBA, GL_UNSIGNED_INT, + &value); +} + void BufferCacheRuntime::BindIndexBuffer(Buffer& buffer, u32 offset, u32 size) { if (has_unified_vertex_buffers) { buffer.MakeResident(GL_READ_ONLY); diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h index d8b20a9af..fe91aa452 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.h +++ b/src/video_core/renderer_opengl/gl_buffer_cache.h @@ -57,6 +57,8 @@ public: void CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer, std::span copies); + void ClearBuffer(Buffer& dest_buffer, u32 offset, size_t size, u32 value); + void BindIndexBuffer(Buffer& buffer, u32 offset, u32 size); void BindVertexBuffer(u32 index, Buffer& buffer, u32 offset, u32 size, u32 stride); diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 82c84127a..ceb3abcb2 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -1407,4 +1407,9 @@ bool AccelerateDMA::BufferCopy(GPUVAddr src_address, GPUVAddr dest_address, u64 return buffer_cache.DMACopy(src_address, dest_address, amount); } +bool AccelerateDMA::BufferClear(GPUVAddr src_address, u64 amount, u32 value) { + std::scoped_lock lock{buffer_cache.mutex}; + return buffer_cache.DMAClear(src_address, amount, value); +} + } // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index ccee9ba33..d30ad698f 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -65,6 +65,8 @@ public: bool BufferCopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) override; + bool BufferClear(GPUVAddr src_address, u64 amount, u32 value) override; + private: BufferCache& buffer_cache; }; diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp index 0df4e1a1c..11e86174e 100644 --- a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp +++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp @@ -136,6 +136,30 @@ void BufferCacheRuntime::CopyBuffer(VkBuffer dst_buffer, VkBuffer src_buffer, }); } +void BufferCacheRuntime::ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t size, u32 value) { + static constexpr VkMemoryBarrier READ_BARRIER{ + .sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER, + .pNext = nullptr, + .srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT, + .dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_TRANSFER_WRITE_BIT, + }; + static constexpr VkMemoryBarrier WRITE_BARRIER{ + .sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER, + .pNext = nullptr, + .srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT, + .dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT, + }; + + scheduler.RequestOutsideRenderPassOperationContext(); + scheduler.Record([dest_buffer, offset, size, value](vk::CommandBuffer cmdbuf) { + cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, + 0, READ_BARRIER); + cmdbuf.FillBuffer(dest_buffer, offset, size, value); + cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, + 0, WRITE_BARRIER); + }); +} + void BufferCacheRuntime::BindIndexBuffer(PrimitiveTopology topology, IndexFormat index_format, u32 base_vertex, u32 num_indices, VkBuffer buffer, u32 offset, [[maybe_unused]] u32 size) { diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h index 982e92191..60d49386e 100644 --- a/src/video_core/renderer_vulkan/vk_buffer_cache.h +++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h @@ -60,6 +60,8 @@ public: void CopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer, std::span copies); + void ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t size, u32 value); + void BindIndexBuffer(PrimitiveTopology topology, IndexFormat index_format, u32 num_indices, u32 base_vertex, VkBuffer buffer, u32 offset, u32 size); diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp index e378a5679..fd9eed3e3 100644 --- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp +++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp @@ -704,6 +704,11 @@ void RasterizerVulkan::FlushWork() { AccelerateDMA::AccelerateDMA(BufferCache& buffer_cache_) : buffer_cache{buffer_cache_} {} +bool AccelerateDMA::BufferClear(GPUVAddr src_address, u64 amount, u32 value) { + std::scoped_lock lock{buffer_cache.mutex}; + return buffer_cache.DMAClear(src_address, amount, value); +} + bool AccelerateDMA::BufferCopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) { std::scoped_lock lock{buffer_cache.mutex}; return buffer_cache.DMACopy(src_address, dest_address, amount); diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.h b/src/video_core/renderer_vulkan/vk_rasterizer.h index 3a78de258..2065209be 100644 --- a/src/video_core/renderer_vulkan/vk_rasterizer.h +++ b/src/video_core/renderer_vulkan/vk_rasterizer.h @@ -56,6 +56,8 @@ public: bool BufferCopy(GPUVAddr start_address, GPUVAddr end_address, u64 amount) override; + bool BufferClear(GPUVAddr src_address, u64 amount, u32 value) override; + private: BufferCache& buffer_cache; };