diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_graphics_program.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_graphics_program.cpp | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_graphics_program.cpp b/src/video_core/renderer_opengl/gl_graphics_program.cpp new file mode 100644 index 000000000..fd0958719 --- /dev/null +++ b/src/video_core/renderer_opengl/gl_graphics_program.cpp @@ -0,0 +1,296 @@ +// 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 "shader_recompiler/shader_info.h" +#include "video_core/renderer_opengl/gl_graphics_program.h" +#include "video_core/renderer_opengl/gl_shader_manager.h" +#include "video_core/renderer_opengl/gl_state_tracker.h" +#include "video_core/texture_cache/texture_cache.h" + +namespace OpenGL { + +using Shader::ImageBufferDescriptor; +using Tegra::Texture::TexturePair; +using VideoCommon::ImageId; + +constexpr u32 MAX_TEXTURES = 64; +constexpr u32 MAX_IMAGES = 8; + +size_t GraphicsProgramKey::Hash() const noexcept { + return static_cast<size_t>(Common::CityHash64(reinterpret_cast<const char*>(this), Size())); +} + +bool GraphicsProgramKey::operator==(const GraphicsProgramKey& rhs) const noexcept { + return std::memcmp(this, &rhs, Size()) == 0; +} + +GraphicsProgram::GraphicsProgram(TextureCache& texture_cache_, BufferCache& buffer_cache_, + Tegra::MemoryManager& gpu_memory_, + Tegra::Engines::Maxwell3D& maxwell3d_, + ProgramManager& program_manager_, StateTracker& state_tracker_, + OGLProgram program_, + const std::array<const Shader::Info*, 5>& infos) + : texture_cache{texture_cache_}, buffer_cache{buffer_cache_}, + gpu_memory{gpu_memory_}, maxwell3d{maxwell3d_}, program_manager{program_manager_}, + state_tracker{state_tracker_}, program{std::move(program_)} { + std::ranges::transform(infos, stage_infos.begin(), + [](const Shader::Info* info) { return info ? *info : Shader::Info{}; }); + + u32 num_textures{}; + u32 num_images{}; + for (size_t stage = 0; stage < base_uniform_bindings.size() - 1; ++stage) { + const auto& info{stage_infos[stage]}; + base_uniform_bindings[stage + 1] = base_uniform_bindings[stage]; + base_storage_bindings[stage + 1] = base_storage_bindings[stage]; + for (const auto& desc : info.constant_buffer_descriptors) { + base_uniform_bindings[stage + 1] += desc.count; + } + for (const auto& desc : info.storage_buffers_descriptors) { + base_storage_bindings[stage + 1] += desc.count; + } + for (const auto& desc : info.texture_buffer_descriptors) { + num_texture_buffers[stage] += desc.count; + num_textures += desc.count; + } + for (const auto& desc : info.image_buffer_descriptors) { + num_image_buffers[stage] += desc.count; + num_images += desc.count; + } + for (const auto& desc : info.texture_descriptors) { + num_textures += desc.count; + } + for (const auto& desc : info.image_descriptors) { + num_images += desc.count; + } + } + ASSERT(num_textures <= MAX_TEXTURES); + ASSERT(num_images <= MAX_IMAGES); +} + +struct Spec { + static constexpr std::array<bool, 5> enabled_stages{true, true, true, true, true}; + static constexpr bool has_storage_buffers = true; + static constexpr bool has_texture_buffers = true; + static constexpr bool has_image_buffers = true; + static constexpr bool has_images = true; +}; + +void GraphicsProgram::Configure(bool is_indexed) { + std::array<ImageId, MAX_TEXTURES + MAX_IMAGES> image_view_ids; + std::array<u32, MAX_TEXTURES + MAX_IMAGES> image_view_indices; + std::array<GLuint, MAX_TEXTURES> samplers; + size_t image_view_index{}; + GLsizei sampler_binding{}; + + texture_cache.SynchronizeGraphicsDescriptors(); + + buffer_cache.runtime.SetBaseUniformBindings(base_uniform_bindings); + buffer_cache.runtime.SetBaseStorageBindings(base_storage_bindings); + + const auto& regs{maxwell3d.regs}; + const bool via_header_index{regs.sampler_index == Maxwell::SamplerIndex::ViaHeaderIndex}; + const auto config_stage{[&](size_t stage) { + const Shader::Info& info{stage_infos[stage]}; + buffer_cache.SetEnabledUniformBuffers(stage, info.constant_buffer_mask); + buffer_cache.UnbindGraphicsStorageBuffers(stage); + if constexpr (Spec::has_storage_buffers) { + size_t ssbo_index{}; + for (const auto& desc : info.storage_buffers_descriptors) { + ASSERT(desc.count == 1); + buffer_cache.BindGraphicsStorageBuffer(stage, ssbo_index, desc.cbuf_index, + desc.cbuf_offset, desc.is_written); + ++ssbo_index; + } + } + const auto& cbufs{maxwell3d.state.shader_stages[stage].const_buffers}; + const auto read_handle{[&](const auto& desc, u32 index) { + ASSERT(cbufs[desc.cbuf_index].enabled); + 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(cbufs[desc.secondary_cbuf_index].enabled); + const u32 second_offset{desc.secondary_cbuf_offset + index_offset}; + const GPUVAddr separate_addr{cbufs[desc.secondary_cbuf_index].address + + second_offset}; + const u32 lhs_raw{gpu_memory.Read<u32>(addr)}; + const u32 rhs_raw{gpu_memory.Read<u32>(separate_addr)}; + const u32 raw{lhs_raw | rhs_raw}; + return TexturePair(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[image_view_index++] = handle.first; + } + }}; + if constexpr (Spec::has_texture_buffers) { + 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[image_view_index++] = handle.first; + samplers[sampler_binding++] = 0; + } + } + } + if constexpr (Spec::has_image_buffers) { + for (const auto& desc : info.image_buffer_descriptors) { + add_image(desc); + } + } + 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[image_view_index++] = handle.first; + + Sampler* const sampler{texture_cache.GetGraphicsSampler(handle.second)}; + samplers[sampler_binding++] = sampler->Handle(); + } + } + if constexpr (Spec::has_images) { + for (const auto& desc : info.image_descriptors) { + add_image(desc); + } + } + }}; + if constexpr (Spec::enabled_stages[0]) { + config_stage(0); + } + if constexpr (Spec::enabled_stages[1]) { + config_stage(1); + } + if constexpr (Spec::enabled_stages[2]) { + config_stage(2); + } + if constexpr (Spec::enabled_stages[3]) { + config_stage(3); + } + if constexpr (Spec::enabled_stages[4]) { + config_stage(4); + } + const std::span indices_span(image_view_indices.data(), image_view_index); + texture_cache.FillGraphicsImageViews(indices_span, image_view_ids); + + ImageId* texture_buffer_index{image_view_ids.data()}; + const auto bind_stage_info{[&](size_t stage) { + size_t 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(*texture_buffer_index)}; + buffer_cache.BindGraphicsTextureBuffer(stage, index, image_view.GpuAddr(), + image_view.BufferSize(), image_view.format, + is_written, is_image); + ++index; + ++texture_buffer_index; + } + }}; + const Shader::Info& info{stage_infos[stage]}; + buffer_cache.UnbindGraphicsTextureBuffers(stage); + + if constexpr (Spec::has_texture_buffers) { + for (const auto& desc : info.texture_buffer_descriptors) { + add_buffer(desc); + } + } + if constexpr (Spec::has_image_buffers) { + for (const auto& desc : info.image_buffer_descriptors) { + add_buffer(desc); + } + } + for (const auto& desc : info.texture_descriptors) { + texture_buffer_index += desc.count; + } + if constexpr (Spec::has_images) { + for (const auto& desc : info.image_descriptors) { + texture_buffer_index += desc.count; + } + } + }}; + if constexpr (Spec::enabled_stages[0]) { + bind_stage_info(0); + } + if constexpr (Spec::enabled_stages[1]) { + bind_stage_info(1); + } + if constexpr (Spec::enabled_stages[2]) { + bind_stage_info(2); + } + if constexpr (Spec::enabled_stages[3]) { + bind_stage_info(3); + } + if constexpr (Spec::enabled_stages[4]) { + bind_stage_info(4); + } + buffer_cache.UpdateGraphicsBuffers(is_indexed); + buffer_cache.BindHostGeometryBuffers(is_indexed); + + const ImageId* views_it{image_view_ids.data()}; + GLsizei texture_binding = 0; + GLsizei image_binding = 0; + std::array<GLuint, MAX_TEXTURES> textures; + std::array<GLuint, MAX_IMAGES> images; + const auto prepare_stage{[&](size_t stage) { + buffer_cache.runtime.SetImagePointers(&textures[texture_binding], &images[image_binding]); + buffer_cache.BindHostStageBuffers(stage); + + texture_binding += num_texture_buffers[stage]; + image_binding += num_image_buffers[stage]; + + const auto& info{stage_infos[stage]}; + 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++))}; + images[image_binding++] = image_view.Handle(desc.type); + } + } + }}; + if constexpr (Spec::enabled_stages[0]) { + prepare_stage(0); + } + if constexpr (Spec::enabled_stages[1]) { + prepare_stage(1); + } + if constexpr (Spec::enabled_stages[2]) { + prepare_stage(2); + } + if constexpr (Spec::enabled_stages[3]) { + prepare_stage(3); + } + if constexpr (Spec::enabled_stages[4]) { + prepare_stage(4); + } + 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()); + } + texture_cache.UpdateRenderTargets(false); + + state_tracker.BindFramebuffer(texture_cache.GetFramebuffer()->Handle()); + program_manager.BindProgram(program.handle); +} + +} // namespace OpenGL |