2019-09-23 20:02:02 +02:00
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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2019-09-26 02:46:34 +02:00
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#include <type_traits>
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2019-09-25 15:53:18 +02:00
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#include "common/bit_field.h"
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2019-09-23 20:02:02 +02:00
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#include "common/common_types.h"
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2019-09-25 15:53:18 +02:00
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#include "video_core/engines/shader_bytecode.h"
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#include "video_core/textures/texture.h"
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2019-09-23 20:02:02 +02:00
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namespace Tegra::Engines {
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enum class ShaderType : u32 {
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Vertex = 0,
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TesselationControl = 1,
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TesselationEval = 2,
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Geometry = 3,
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Fragment = 4,
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Compute = 5,
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};
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struct SamplerDescriptor {
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union {
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BitField<0, 20, Tegra::Shader::TextureType> texture_type;
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BitField<20, 1, u32> is_array;
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BitField<21, 1, u32> is_buffer;
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BitField<22, 1, u32> is_shadow;
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u32 raw{};
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};
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bool operator==(const SamplerDescriptor& rhs) const noexcept {
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return raw == rhs.raw;
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}
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bool operator!=(const SamplerDescriptor& rhs) const noexcept {
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return !operator==(rhs);
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}
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static SamplerDescriptor FromTicTexture(Tegra::Texture::TextureType tic_texture_type) {
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SamplerDescriptor result;
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switch (tic_texture_type) {
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case Tegra::Texture::TextureType::Texture1D:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture1D);
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result.is_array.Assign(0);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::Texture2D:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D);
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result.is_array.Assign(0);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::Texture3D:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture3D);
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result.is_array.Assign(0);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::TextureCubemap:
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result.texture_type.Assign(Tegra::Shader::TextureType::TextureCube);
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result.is_array.Assign(0);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::Texture1DArray:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture1D);
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result.is_array.Assign(1);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::Texture2DArray:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D);
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result.is_array.Assign(1);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::Texture1DBuffer:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture1D);
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result.is_array.Assign(0);
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result.is_buffer.Assign(1);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::Texture2DNoMipmap:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D);
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result.is_array.Assign(0);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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case Tegra::Texture::TextureType::TextureCubeArray:
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result.texture_type.Assign(Tegra::Shader::TextureType::TextureCube);
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result.is_array.Assign(1);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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default:
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result.texture_type.Assign(Tegra::Shader::TextureType::Texture2D);
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result.is_array.Assign(0);
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result.is_buffer.Assign(0);
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result.is_shadow.Assign(0);
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return result;
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}
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}
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};
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static_assert(std::is_trivially_copyable_v<SamplerDescriptor>);
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class ConstBufferEngineInterface {
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public:
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virtual ~ConstBufferEngineInterface() = default;
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virtual u32 AccessConstBuffer32(ShaderType stage, u64 const_buffer, u64 offset) const = 0;
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virtual SamplerDescriptor AccessBoundSampler(ShaderType stage, u64 offset) const = 0;
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virtual SamplerDescriptor AccessBindlessSampler(ShaderType stage, u64 const_buffer,
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u64 offset) const = 0;
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virtual u32 GetBoundBuffer() const = 0;
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};
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2019-09-25 15:53:18 +02:00
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} // namespace Tegra::Engines
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