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Diffstat (limited to '')
-rw-r--r-- | src/video_core/engines/const_buffer_engine_interface.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/video_core/engines/const_buffer_engine_interface.h b/src/video_core/engines/const_buffer_engine_interface.h new file mode 100644 index 000000000..ac27b6cbe --- /dev/null +++ b/src/video_core/engines/const_buffer_engine_interface.h @@ -0,0 +1,119 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <type_traits> +#include "common/bit_field.h" +#include "common/common_types.h" +#include "video_core/engines/shader_bytecode.h" +#include "video_core/textures/texture.h" + +namespace Tegra::Engines { + +enum class ShaderType : u32 { + Vertex = 0, + TesselationControl = 1, + TesselationEval = 2, + Geometry = 3, + Fragment = 4, + Compute = 5, +}; + +struct SamplerDescriptor { + union { + BitField<0, 20, Tegra::Shader::TextureType> texture_type; + BitField<20, 1, u32> is_array; + BitField<21, 1, u32> is_buffer; + BitField<22, 1, u32> is_shadow; + u32 raw{}; + }; + + bool operator==(const SamplerDescriptor& rhs) const noexcept { + return raw == rhs.raw; + } + + bool operator!=(const SamplerDescriptor& rhs) const noexcept { + return !operator==(rhs); + } + + static SamplerDescriptor FromTicTexture(Tegra::Texture::TextureType tic_texture_type) { + SamplerDescriptor result; + switch (tic_texture_type) { + case Tegra::Texture::TextureType::Texture1D: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture1D); + result.is_array.Assign(0); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::Texture2D: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D); + result.is_array.Assign(0); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::Texture3D: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture3D); + result.is_array.Assign(0); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::TextureCubemap: + result.texture_type.Assign(Tegra::Shader::TextureType::TextureCube); + result.is_array.Assign(0); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::Texture1DArray: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture1D); + result.is_array.Assign(1); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::Texture2DArray: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D); + result.is_array.Assign(1); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::Texture1DBuffer: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture1D); + result.is_array.Assign(0); + result.is_buffer.Assign(1); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::Texture2DNoMipmap: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D); + result.is_array.Assign(0); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + case Tegra::Texture::TextureType::TextureCubeArray: + result.texture_type.Assign(Tegra::Shader::TextureType::TextureCube); + result.is_array.Assign(1); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + default: + result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D); + result.is_array.Assign(0); + result.is_buffer.Assign(0); + result.is_shadow.Assign(0); + return result; + } + } +}; +static_assert(std::is_trivially_copyable_v<SamplerDescriptor>); + +class ConstBufferEngineInterface { +public: + virtual ~ConstBufferEngineInterface() = default; + virtual u32 AccessConstBuffer32(ShaderType stage, u64 const_buffer, u64 offset) const = 0; + virtual SamplerDescriptor AccessBoundSampler(ShaderType stage, u64 offset) const = 0; + virtual SamplerDescriptor AccessBindlessSampler(ShaderType stage, u64 const_buffer, + u64 offset) const = 0; + virtual u32 GetBoundBuffer() const = 0; +}; + +} // namespace Tegra::Engines |