diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index 502feddba..c73ebb1f4 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -164,6 +164,8 @@ public: /// Pop asynchronous downloads void PopAsyncFlushes(); + [[nodiscard]] bool DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount); + /// Return true when a CPU region is modified from the GPU [[nodiscard]] bool IsRegionGpuModified(VAddr addr, size_t size); @@ -430,6 +432,83 @@ void BufferCache

::DownloadMemory(VAddr cpu_addr, u64 size) { }); } +template +bool BufferCache

::DMACopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) { + const std::optional cpu_src_address = gpu_memory.GpuToCpuAddress(src_address); + const std::optional cpu_dest_address = gpu_memory.GpuToCpuAddress(dest_address); + 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); + if (!(source_dirty || dest_dirty)) { + return false; + } + + const IntervalType subtract_interval{*cpu_dest_address, *cpu_dest_address + amount}; + common_ranges.subtract(subtract_interval); + + BufferId buffer_a; + BufferId buffer_b; + do { + has_deleted_buffers = false; + buffer_a = FindBuffer(*cpu_src_address, static_cast(amount)); + buffer_b = FindBuffer(*cpu_dest_address, static_cast(amount)); + } while (has_deleted_buffers); + auto& src_buffer = slot_buffers[buffer_a]; + auto& dest_buffer = slot_buffers[buffer_b]; + SynchronizeBuffer(src_buffer, *cpu_src_address, amount); + SynchronizeBuffer(dest_buffer, *cpu_dest_address, amount); + std::array copies{BufferCopy{ + .src_offset = src_buffer.Offset(*cpu_src_address), + .dst_offset = dest_buffer.Offset(*cpu_dest_address), + .size = amount, + }}; + + auto mirror = [&](VAddr base_address, u64 size) { + VAddr diff = base_address - *cpu_src_address; + VAddr new_base_address = *cpu_dest_address + diff; + const IntervalType add_interval{new_base_address, new_base_address + size}; + common_ranges.add(add_interval); + }; + + const VAddr start_address = *cpu_src_address; + const VAddr end_address = start_address + amount; + const IntervalType search_interval{start_address - amount, 1}; + auto it = common_ranges.lower_bound(search_interval); + if (it == common_ranges.end()) { + it = common_ranges.begin(); + } + while (it != common_ranges.end()) { + VAddr inter_addr_end = it->upper(); + VAddr inter_addr = it->lower(); + if (inter_addr >= end_address) { + break; + } + if (inter_addr_end <= start_address) { + it++; + continue; + } + if (inter_addr_end > end_address) { + inter_addr_end = end_address; + } + if (inter_addr < start_address) { + inter_addr = start_address; + } + mirror(inter_addr, inter_addr_end - inter_addr); + it++; + } + + runtime.CopyBuffer(dest_buffer, src_buffer, copies); + if (source_dirty) { + dest_buffer.MarkRegionAsGpuModified(*cpu_dest_address, amount); + } + std::vector tmp_buffer(amount); + cpu_memory.ReadBlockUnsafe(*cpu_src_address, tmp_buffer.data(), amount); + cpu_memory.WriteBlockUnsafe(*cpu_dest_address, tmp_buffer.data(), amount); + return true; +} + template void BufferCache

::BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr, u32 size) { @@ -951,7 +1030,7 @@ void BufferCache

::UpdateIndexBuffer() { const GPUVAddr gpu_addr_end = index_array.EndAddress(); const std::optional cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr_begin); const u32 address_size = static_cast(gpu_addr_end - gpu_addr_begin); - const u32 draw_size = index_array.count * index_array.FormatSizeInBytes(); + const u32 draw_size = (index_array.count + index_array.first) * index_array.FormatSizeInBytes(); const u32 size = std::min(address_size, draw_size); if (size == 0 || !cpu_addr) { index_buffer = NULL_BINDING; diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp index 2ee980bab..24481952b 100644 --- a/src/video_core/engines/maxwell_dma.cpp +++ b/src/video_core/engines/maxwell_dma.cpp @@ -21,6 +21,10 @@ MaxwellDMA::MaxwellDMA(Core::System& system_, MemoryManager& memory_manager_) MaxwellDMA::~MaxwellDMA() = default; +void MaxwellDMA::BindRasterizer(VideoCore::RasterizerInterface* rasterizer_) { + rasterizer = rasterizer_; +} + void MaxwellDMA::CallMethod(u32 method, u32 method_argument, bool is_last_call) { ASSERT_MSG(method < NUM_REGS, "Invalid MaxwellDMA register"); @@ -44,7 +48,6 @@ void MaxwellDMA::Launch() { // TODO(Subv): Perform more research and implement all features of this engine. const LaunchDMA& launch = regs.launch_dma; - ASSERT(launch.remap_enable == 0); ASSERT(launch.semaphore_type == LaunchDMA::SemaphoreType::NONE); ASSERT(launch.interrupt_type == LaunchDMA::InterruptType::NONE); ASSERT(launch.data_transfer_type == LaunchDMA::DataTransferType::NON_PIPELINED); @@ -77,11 +80,29 @@ void MaxwellDMA::CopyPitchToPitch() { // When `multi_line_enable` bit is disabled the copy is performed as if we were copying a 1D // buffer of length `line_length_in`. // Otherwise we copy a 2D image of dimensions (line_length_in, line_count). + auto& accelerate = rasterizer->AccessAccelerateDMA(); if (!regs.launch_dma.multi_line_enable) { - memory_manager.CopyBlock(regs.offset_out, regs.offset_in, regs.line_length_in); + const bool is_buffer_clear = regs.launch_dma.remap_enable != 0 && + regs.remap_const.dst_x == RemapConst::Swizzle::CONST_A; + // TODO: allow multisized components. + if (is_buffer_clear) { + ASSERT(regs.remap_const.component_size_minus_one == 3); + 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)); + return; + } + UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0); + if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) { + std::vector tmp_buffer(regs.line_length_in); + memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(), regs.line_length_in); + memory_manager.WriteBlock(regs.offset_out, tmp_buffer.data(), regs.line_length_in); + } return; } + UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0); + // Perform a line-by-line copy. // We're going to take a subrect of size (line_length_in, line_count) from the source rectangle. // There is no need to manually flush/invalidate the regions because CopyBlock does that for us. @@ -105,6 +126,7 @@ void MaxwellDMA::CopyBlockLinearToPitch() { } // Deswizzle the input and copy it over. + UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0); const u32 bytes_per_pixel = regs.pitch_out / regs.line_length_in; const Parameters& src_params = regs.src_params; const u32 width = src_params.width; @@ -134,6 +156,7 @@ void MaxwellDMA::CopyBlockLinearToPitch() { void MaxwellDMA::CopyPitchToBlockLinear() { UNIMPLEMENTED_IF_MSG(regs.dst_params.block_size.width != 0, "Block width is not one"); + UNIMPLEMENTED_IF(regs.launch_dma.remap_enable != 0); const auto& dst_params = regs.dst_params; const u32 bytes_per_pixel = regs.pitch_in / regs.line_length_in; @@ -156,13 +179,8 @@ void MaxwellDMA::CopyPitchToBlockLinear() { write_buffer.resize(dst_size); } - if (Settings::IsGPULevelExtreme()) { - memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size); - memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size); - } else { - memory_manager.ReadBlockUnsafe(regs.offset_in, read_buffer.data(), src_size); - memory_manager.ReadBlockUnsafe(regs.offset_out, write_buffer.data(), dst_size); - } + memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size); + memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size); // If the input is linear and the output is tiled, swizzle the input and copy it over. if (regs.dst_params.block_size.depth > 0) { diff --git a/src/video_core/engines/maxwell_dma.h b/src/video_core/engines/maxwell_dma.h index c77f02a22..4ed0d0996 100644 --- a/src/video_core/engines/maxwell_dma.h +++ b/src/video_core/engines/maxwell_dma.h @@ -21,8 +21,18 @@ namespace Tegra { class MemoryManager; } +namespace VideoCore { +class RasterizerInterface; +} + namespace Tegra::Engines { +class AccelerateDMAInterface { +public: + /// Write the value to the register identified by method. + virtual bool BufferCopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) = 0; +}; + /** * This engine is known as gk104_copy. Documentation can be found in: * https://github.com/NVIDIA/open-gpu-doc/blob/master/classes/dma-copy/clb0b5.h @@ -187,6 +197,8 @@ public: }; static_assert(sizeof(RemapConst) == 12); + void BindRasterizer(VideoCore::RasterizerInterface* rasterizer); + explicit MaxwellDMA(Core::System& system_, MemoryManager& memory_manager_); ~MaxwellDMA() override; @@ -213,6 +225,7 @@ private: Core::System& system; MemoryManager& memory_manager; + VideoCore::RasterizerInterface* rasterizer; std::vector read_buffer; std::vector write_buffer; @@ -240,7 +253,9 @@ private: u32 pitch_out; u32 line_length_in; u32 line_count; - u32 reserved06[0xb8]; + u32 reserved06[0xb6]; + u32 remap_consta_value; + u32 remap_constb_value; RemapConst remap_const; Parameters dst_params; u32 reserved07[0x1]; diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp index f317ddc2b..ff024f530 100644 --- a/src/video_core/gpu.cpp +++ b/src/video_core/gpu.cpp @@ -50,6 +50,7 @@ void GPU::BindRenderer(std::unique_ptr renderer_) { maxwell_3d->BindRasterizer(rasterizer); fermi_2d->BindRasterizer(rasterizer); kepler_compute->BindRasterizer(rasterizer); + maxwell_dma->BindRasterizer(rasterizer); } Engines::Maxwell3D& GPU::Maxwell3D() { diff --git a/src/video_core/rasterizer_interface.h b/src/video_core/rasterizer_interface.h index 67aef6000..8d4239afc 100644 --- a/src/video_core/rasterizer_interface.h +++ b/src/video_core/rasterizer_interface.h @@ -10,6 +10,7 @@ #include #include "common/common_types.h" #include "video_core/engines/fermi_2d.h" +#include "video_core/engines/maxwell_dma.h" #include "video_core/gpu.h" #include "video_core/guest_driver.h" @@ -119,6 +120,8 @@ public: return false; } + [[nodiscard]] virtual Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() = 0; + /// Attempt to use a faster method to display the framebuffer to screen [[nodiscard]] virtual bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr, u32 pixel_stride) { diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index a4ed8f68f..82c84127a 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -171,7 +171,7 @@ RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& emu_window_, Tegra buffer_cache_runtime(device), buffer_cache(*this, maxwell3d, kepler_compute, gpu_memory, cpu_memory_, buffer_cache_runtime), shader_cache(*this, emu_window_, gpu, maxwell3d, kepler_compute, gpu_memory, device), - query_cache(*this, maxwell3d, gpu_memory), + query_cache(*this, maxwell3d, gpu_memory), accelerate_dma(buffer_cache), fence_manager(*this, gpu, texture_cache, buffer_cache, query_cache), async_shaders(emu_window_) { if (device.UseAsynchronousShaders()) { @@ -701,6 +701,10 @@ bool RasterizerOpenGL::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Surf return true; } +Tegra::Engines::AccelerateDMAInterface& RasterizerOpenGL::AccessAccelerateDMA() { + return accelerate_dma; +} + bool RasterizerOpenGL::AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr, u32 pixel_stride) { if (framebuffer_addr == 0) { @@ -1396,4 +1400,11 @@ void RasterizerOpenGL::EndTransformFeedback() { glEndTransformFeedback(); } +AccelerateDMA::AccelerateDMA(BufferCache& buffer_cache_) : buffer_cache{buffer_cache_} {} + +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); +} + } // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index d8df71962..ccee9ba33 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -19,6 +19,7 @@ #include "common/common_types.h" #include "video_core/engines/const_buffer_info.h" #include "video_core/engines/maxwell_3d.h" +#include "video_core/engines/maxwell_dma.h" #include "video_core/rasterizer_accelerated.h" #include "video_core/rasterizer_interface.h" #include "video_core/renderer_opengl/gl_buffer_cache.h" @@ -58,6 +59,16 @@ struct BindlessSSBO { }; static_assert(sizeof(BindlessSSBO) * CHAR_BIT == 128); +class AccelerateDMA : public Tegra::Engines::AccelerateDMAInterface { +public: + explicit AccelerateDMA(BufferCache& buffer_cache); + + bool BufferCopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) override; + +private: + BufferCache& buffer_cache; +}; + class RasterizerOpenGL : public VideoCore::RasterizerAccelerated { public: explicit RasterizerOpenGL(Core::Frontend::EmuWindow& emu_window_, Tegra::GPU& gpu_, @@ -94,6 +105,7 @@ public: bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Surface& src, const Tegra::Engines::Fermi2D::Surface& dst, const Tegra::Engines::Fermi2D::Config& copy_config) override; + Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() override; bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr, u32 pixel_stride) override; void LoadDiskResources(u64 title_id, std::stop_token stop_loading, @@ -234,6 +246,7 @@ private: BufferCache buffer_cache; ShaderCacheOpenGL shader_cache; QueryCache query_cache; + AccelerateDMA accelerate_dma; FenceManagerOpenGL fence_manager; VideoCommon::Shader::AsyncShaders async_shaders; diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp index 9ea4b6653..e378a5679 100644 --- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp +++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp @@ -251,7 +251,7 @@ RasterizerVulkan::RasterizerVulkan(Core::Frontend::EmuWindow& emu_window_, Tegra buffer_cache(*this, maxwell3d, kepler_compute, gpu_memory, cpu_memory_, buffer_cache_runtime), pipeline_cache(*this, gpu, maxwell3d, kepler_compute, gpu_memory, device, scheduler, descriptor_pool, update_descriptor_queue), - query_cache{*this, maxwell3d, gpu_memory, device, scheduler}, + query_cache{*this, maxwell3d, gpu_memory, device, scheduler}, accelerate_dma{buffer_cache}, fence_manager(*this, gpu, texture_cache, buffer_cache, query_cache, device, scheduler), wfi_event(device.GetLogical().CreateEvent()), async_shaders(emu_window_) { scheduler.SetQueryCache(query_cache); @@ -660,6 +660,10 @@ bool RasterizerVulkan::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Surf return true; } +Tegra::Engines::AccelerateDMAInterface& RasterizerVulkan::AccessAccelerateDMA() { + return accelerate_dma; +} + bool RasterizerVulkan::AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr, u32 pixel_stride) { if (!framebuffer_addr) { @@ -698,6 +702,13 @@ void RasterizerVulkan::FlushWork() { draw_counter = 0; } +AccelerateDMA::AccelerateDMA(BufferCache& buffer_cache_) : buffer_cache{buffer_cache_} {} + +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); +} + void RasterizerVulkan::SetupShaderDescriptors( const std::array& shaders, bool is_indexed) { image_view_indices.clear(); diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.h b/src/video_core/renderer_vulkan/vk_rasterizer.h index 5450ccfb5..cb562518d 100644 --- a/src/video_core/renderer_vulkan/vk_rasterizer.h +++ b/src/video_core/renderer_vulkan/vk_rasterizer.h @@ -49,6 +49,16 @@ struct VKScreenInfo; class StateTracker; +class AccelerateDMA : public Tegra::Engines::AccelerateDMAInterface { +public: + explicit AccelerateDMA(BufferCache& buffer_cache); + + bool BufferCopy(GPUVAddr start_address, GPUVAddr end_address, u64 amount) override; + + private: + BufferCache& buffer_cache; +}; + class RasterizerVulkan final : public VideoCore::RasterizerAccelerated { public: explicit RasterizerVulkan(Core::Frontend::EmuWindow& emu_window_, Tegra::GPU& gpu_, @@ -86,6 +96,7 @@ public: bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Surface& src, const Tegra::Engines::Fermi2D::Surface& dst, const Tegra::Engines::Fermi2D::Config& copy_config) override; + Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() override; bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr, u32 pixel_stride) override; @@ -186,6 +197,7 @@ private: BufferCache buffer_cache; VKPipelineCache pipeline_cache; VKQueryCache query_cache; + AccelerateDMA accelerate_dma; VKFenceManager fence_manager; vk::Event wfi_event;