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author | bunnei <bunneidev@gmail.com> | 2021-07-25 20:39:04 +0200 |
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committer | GitHub <noreply@github.com> | 2021-07-25 20:39:04 +0200 |
commit | 98b26b6e126d4775fdf3f773fe8a8ac808a8ff8f (patch) | |
tree | 816faa96c2c4d291825063433331a8ea4b3d08f1 /src/video_core/renderer_opengl/gl_compute_pipeline.cpp | |
parent | Merge pull request #6699 from lat9nq/common-threads (diff) | |
parent | shader: Support out of bound local memory reads and immediate writes (diff) | |
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Diffstat (limited to 'src/video_core/renderer_opengl/gl_compute_pipeline.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_compute_pipeline.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_compute_pipeline.cpp b/src/video_core/renderer_opengl/gl_compute_pipeline.cpp new file mode 100644 index 000000000..aa1cc592f --- /dev/null +++ b/src/video_core/renderer_opengl/gl_compute_pipeline.cpp @@ -0,0 +1,209 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <cstring> + +#include "common/cityhash.h" +#include "common/settings.h" // for enum class Settings::ShaderBackend +#include "video_core/renderer_opengl/gl_compute_pipeline.h" +#include "video_core/renderer_opengl/gl_shader_manager.h" +#include "video_core/renderer_opengl/gl_shader_util.h" + +namespace OpenGL { + +using Shader::ImageBufferDescriptor; +using Tegra::Texture::TexturePair; +using VideoCommon::ImageId; + +constexpr u32 MAX_TEXTURES = 64; +constexpr u32 MAX_IMAGES = 16; + +template <typename Range> +u32 AccumulateCount(const Range& range) { + u32 num{}; + for (const auto& desc : range) { + num += desc.count; + } + return num; +} + +size_t ComputePipelineKey::Hash() const noexcept { + return static_cast<size_t>( + Common::CityHash64(reinterpret_cast<const char*>(this), sizeof *this)); +} + +bool ComputePipelineKey::operator==(const ComputePipelineKey& rhs) const noexcept { + return std::memcmp(this, &rhs, sizeof *this) == 0; +} + +ComputePipeline::ComputePipeline(const Device& device, TextureCache& texture_cache_, + BufferCache& buffer_cache_, Tegra::MemoryManager& gpu_memory_, + Tegra::Engines::KeplerCompute& kepler_compute_, + ProgramManager& program_manager_, const Shader::Info& info_, + std::string code, std::vector<u32> code_v) + : texture_cache{texture_cache_}, buffer_cache{buffer_cache_}, gpu_memory{gpu_memory_}, + kepler_compute{kepler_compute_}, program_manager{program_manager_}, info{info_} { + switch (device.GetShaderBackend()) { + case Settings::ShaderBackend::GLSL: + source_program = CreateProgram(code, GL_COMPUTE_SHADER); + break; + case Settings::ShaderBackend::GLASM: + assembly_program = CompileProgram(code, GL_COMPUTE_PROGRAM_NV); + break; + case Settings::ShaderBackend::SPIRV: + source_program = CreateProgram(code_v, GL_COMPUTE_SHADER); + break; + } + std::copy_n(info.constant_buffer_used_sizes.begin(), uniform_buffer_sizes.size(), + uniform_buffer_sizes.begin()); + + num_texture_buffers = AccumulateCount(info.texture_buffer_descriptors); + num_image_buffers = AccumulateCount(info.image_buffer_descriptors); + + const u32 num_textures{num_texture_buffers + AccumulateCount(info.texture_descriptors)}; + ASSERT(num_textures <= MAX_TEXTURES); + + const u32 num_images{num_image_buffers + AccumulateCount(info.image_descriptors)}; + ASSERT(num_images <= MAX_IMAGES); + + const bool is_glasm{assembly_program.handle != 0}; + const u32 num_storage_buffers{AccumulateCount(info.storage_buffers_descriptors)}; + use_storage_buffers = + !is_glasm || num_storage_buffers < device.GetMaxGLASMStorageBufferBlocks(); + writes_global_memory = !use_storage_buffers && + std::ranges::any_of(info.storage_buffers_descriptors, + [](const auto& desc) { return desc.is_written; }); +} + +void ComputePipeline::Configure() { + buffer_cache.SetComputeUniformBufferState(info.constant_buffer_mask, &uniform_buffer_sizes); + buffer_cache.UnbindComputeStorageBuffers(); + size_t ssbo_index{}; + for (const auto& desc : info.storage_buffers_descriptors) { + ASSERT(desc.count == 1); + buffer_cache.BindComputeStorageBuffer(ssbo_index, desc.cbuf_index, desc.cbuf_offset, + desc.is_written); + ++ssbo_index; + } + texture_cache.SynchronizeComputeDescriptors(); + + std::array<ImageViewId, MAX_TEXTURES + MAX_IMAGES> image_view_ids; + boost::container::static_vector<u32, MAX_TEXTURES + MAX_IMAGES> image_view_indices; + std::array<GLuint, MAX_TEXTURES> samplers; + std::array<GLuint, MAX_TEXTURES> textures; + std::array<GLuint, MAX_IMAGES> images; + GLsizei sampler_binding{}; + GLsizei texture_binding{}; + GLsizei image_binding{}; + + const auto& qmd{kepler_compute.launch_description}; + const auto& cbufs{qmd.const_buffer_config}; + const bool via_header_index{qmd.linked_tsc != 0}; + const auto read_handle{[&](const auto& desc, u32 index) { + ASSERT(((qmd.const_buffer_enable_mask >> desc.cbuf_index) & 1) != 0); + const u32 index_offset{index << desc.size_shift}; + const u32 offset{desc.cbuf_offset + index_offset}; + const GPUVAddr addr{cbufs[desc.cbuf_index].Address() + offset}; + if constexpr (std::is_same_v<decltype(desc), const Shader::TextureDescriptor&> || + std::is_same_v<decltype(desc), const Shader::TextureBufferDescriptor&>) { + if (desc.has_secondary) { + ASSERT(((qmd.const_buffer_enable_mask >> desc.secondary_cbuf_index) & 1) != 0); + const u32 secondary_offset{desc.secondary_cbuf_offset + index_offset}; + const GPUVAddr separate_addr{cbufs[desc.secondary_cbuf_index].Address() + + secondary_offset}; + const u32 lhs_raw{gpu_memory.Read<u32>(addr)}; + const u32 rhs_raw{gpu_memory.Read<u32>(separate_addr)}; + return TexturePair(lhs_raw | rhs_raw, via_header_index); + } + } + return TexturePair(gpu_memory.Read<u32>(addr), via_header_index); + }}; + const auto add_image{[&](const auto& desc) { + for (u32 index = 0; index < desc.count; ++index) { + const auto handle{read_handle(desc, index)}; + image_view_indices.push_back(handle.first); + } + }}; + for (const auto& desc : info.texture_buffer_descriptors) { + for (u32 index = 0; index < desc.count; ++index) { + const auto handle{read_handle(desc, index)}; + image_view_indices.push_back(handle.first); + samplers[sampler_binding++] = 0; + } + } + std::ranges::for_each(info.image_buffer_descriptors, add_image); + for (const auto& desc : info.texture_descriptors) { + for (u32 index = 0; index < desc.count; ++index) { + const auto handle{read_handle(desc, index)}; + image_view_indices.push_back(handle.first); + + Sampler* const sampler = texture_cache.GetComputeSampler(handle.second); + samplers[sampler_binding++] = sampler->Handle(); + } + } + std::ranges::for_each(info.image_descriptors, add_image); + + const std::span indices_span(image_view_indices.data(), image_view_indices.size()); + texture_cache.FillComputeImageViews(indices_span, image_view_ids); + + if (assembly_program.handle != 0) { + program_manager.BindComputeAssemblyProgram(assembly_program.handle); + } else { + program_manager.BindComputeProgram(source_program.handle); + } + buffer_cache.UnbindComputeTextureBuffers(); + size_t texbuf_index{}; + const auto add_buffer{[&](const auto& desc) { + constexpr bool is_image = std::is_same_v<decltype(desc), const ImageBufferDescriptor&>; + for (u32 i = 0; i < desc.count; ++i) { + bool is_written{false}; + if constexpr (is_image) { + is_written = desc.is_written; + } + ImageView& image_view{texture_cache.GetImageView(image_view_ids[texbuf_index])}; + buffer_cache.BindComputeTextureBuffer(texbuf_index, image_view.GpuAddr(), + image_view.BufferSize(), image_view.format, + is_written, is_image); + ++texbuf_index; + } + }}; + std::ranges::for_each(info.texture_buffer_descriptors, add_buffer); + std::ranges::for_each(info.image_buffer_descriptors, add_buffer); + + buffer_cache.UpdateComputeBuffers(); + + buffer_cache.runtime.SetEnableStorageBuffers(use_storage_buffers); + buffer_cache.runtime.SetImagePointers(textures.data(), images.data()); + buffer_cache.BindHostComputeBuffers(); + + const ImageId* views_it{image_view_ids.data() + num_texture_buffers + num_image_buffers}; + texture_binding += num_texture_buffers; + image_binding += num_image_buffers; + + for (const auto& desc : info.texture_descriptors) { + for (u32 index = 0; index < desc.count; ++index) { + ImageView& image_view{texture_cache.GetImageView(*(views_it++))}; + textures[texture_binding++] = image_view.Handle(desc.type); + } + } + for (const auto& desc : info.image_descriptors) { + for (u32 index = 0; index < desc.count; ++index) { + ImageView& image_view{texture_cache.GetImageView(*(views_it++))}; + if (desc.is_written) { + texture_cache.MarkModification(image_view.image_id); + } + images[image_binding++] = image_view.StorageView(desc.type, desc.format); + } + } + if (texture_binding != 0) { + ASSERT(texture_binding == sampler_binding); + glBindTextures(0, texture_binding, textures.data()); + glBindSamplers(0, sampler_binding, samplers.data()); + } + if (image_binding != 0) { + glBindImageTextures(0, image_binding, images.data()); + } +} + +} // namespace OpenGL |