mirror of
https://github.com/yuzu-emu/yuzu-android
synced 2024-12-30 12:21:21 -08:00
240 lines
8.3 KiB
C++
240 lines
8.3 KiB
C++
// Copyright 2018 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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#include <array>
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#include <optional>
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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namespace Shader {
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enum class OutputTopology : u32 {
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PointList = 1,
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LineStrip = 6,
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TriangleStrip = 7,
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};
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enum class PixelImap : u8 {
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Unused = 0,
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Constant = 1,
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Perspective = 2,
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ScreenLinear = 3,
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};
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// Documentation in:
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// http://download.nvidia.com/open-gpu-doc/Shader-Program-Header/1/Shader-Program-Header.html
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struct ProgramHeader {
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union {
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BitField<0, 5, u32> sph_type;
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BitField<5, 5, u32> version;
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BitField<10, 4, u32> shader_type;
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BitField<14, 1, u32> mrt_enable;
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BitField<15, 1, u32> kills_pixels;
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BitField<16, 1, u32> does_global_store;
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BitField<17, 4, u32> sass_version;
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BitField<21, 5, u32> reserved;
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BitField<26, 1, u32> does_load_or_store;
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BitField<27, 1, u32> does_fp64;
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BitField<28, 4, u32> stream_out_mask;
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} common0;
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union {
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BitField<0, 24, u32> shader_local_memory_low_size;
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BitField<24, 8, u32> per_patch_attribute_count;
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} common1;
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union {
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BitField<0, 24, u32> shader_local_memory_high_size;
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BitField<24, 8, u32> threads_per_input_primitive;
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} common2;
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union {
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BitField<0, 24, u32> shader_local_memory_crs_size;
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BitField<24, 4, OutputTopology> output_topology;
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BitField<28, 4, u32> reserved;
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} common3;
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union {
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BitField<0, 12, u32> max_output_vertices;
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BitField<12, 8, u32> store_req_start; // NOTE: not used by geometry shaders.
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BitField<20, 4, u32> reserved;
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BitField<24, 8, u32> store_req_end; // NOTE: not used by geometry shaders.
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} common4;
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union {
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struct {
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INSERT_PADDING_BYTES_NOINIT(3); // ImapSystemValuesA
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union {
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BitField<0, 1, u8> primitive_array_id;
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BitField<1, 1, u8> rt_array_index;
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BitField<2, 1, u8> viewport_index;
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BitField<3, 1, u8> point_size;
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BitField<4, 1, u8> position_x;
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BitField<5, 1, u8> position_y;
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BitField<6, 1, u8> position_z;
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BitField<7, 1, u8> position_w;
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BitField<0, 4, u8> first;
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BitField<4, 4, u8> position;
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u8 raw;
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} imap_systemb;
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union {
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BitField<0, 1, u8> x;
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BitField<1, 1, u8> y;
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BitField<2, 1, u8> z;
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BitField<3, 1, u8> w;
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BitField<4, 1, u8> x2;
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BitField<5, 1, u8> y2;
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BitField<6, 1, u8> z2;
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BitField<7, 1, u8> w2;
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BitField<0, 4, u8> first;
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BitField<4, 4, u8> second;
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u8 raw;
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} imap_generic_vector[16];
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INSERT_PADDING_BYTES_NOINIT(2); // ImapColor
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union {
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BitField<0, 8, u16> clip_distances;
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BitField<8, 1, u16> point_sprite_s;
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BitField<9, 1, u16> point_sprite_t;
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BitField<10, 1, u16> fog_coordinate;
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BitField<12, 1, u16> tessellation_eval_point_u;
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BitField<13, 1, u16> tessellation_eval_point_v;
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BitField<14, 1, u16> instance_id;
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BitField<15, 1, u16> vertex_id;
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};
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INSERT_PADDING_BYTES_NOINIT(5); // ImapFixedFncTexture[10]
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INSERT_PADDING_BYTES_NOINIT(1); // ImapReserved
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INSERT_PADDING_BYTES_NOINIT(3); // OmapSystemValuesA
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union {
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BitField<0, 1, u8> primitive_array_id;
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BitField<1, 1, u8> rt_array_index;
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BitField<2, 1, u8> viewport_index;
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BitField<3, 1, u8> point_size;
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BitField<4, 1, u8> position_x;
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BitField<5, 1, u8> position_y;
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BitField<6, 1, u8> position_z;
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BitField<7, 1, u8> position_w;
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BitField<0, 4, u8> first;
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BitField<4, 4, u8> position;
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u8 raw;
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} omap_systemb;
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union {
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BitField<0, 1, u8> x;
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BitField<1, 1, u8> y;
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BitField<2, 1, u8> z;
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BitField<3, 1, u8> w;
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BitField<4, 1, u8> x2;
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BitField<5, 1, u8> y2;
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BitField<6, 1, u8> z2;
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BitField<7, 1, u8> w2;
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BitField<0, 4, u8> first;
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BitField<4, 4, u8> second;
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u8 raw;
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} omap_generic_vector[16];
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INSERT_PADDING_BYTES_NOINIT(2); // OmapColor
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union {
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BitField<0, 8, u16> clip_distances;
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BitField<8, 1, u16> point_sprite_s;
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BitField<9, 1, u16> point_sprite_t;
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BitField<10, 1, u16> fog_coordinate;
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BitField<12, 1, u16> tessellation_eval_point_u;
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BitField<13, 1, u16> tessellation_eval_point_v;
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BitField<14, 1, u16> instance_id;
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BitField<15, 1, u16> vertex_id;
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} omap_systemc;
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INSERT_PADDING_BYTES_NOINIT(5); // OmapFixedFncTexture[10]
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INSERT_PADDING_BYTES_NOINIT(1); // OmapReserved
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[[nodiscard]] bool IsInputGenericVectorActive(size_t index) const {
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if ((index & 1) == 0) {
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return imap_generic_vector[index >> 1].first != 0;
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}
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return imap_generic_vector[index >> 1].second != 0;
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}
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[[nodiscard]] bool IsOutputGenericVectorActive(size_t index) const {
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if ((index & 1) == 0) {
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return omap_generic_vector[index >> 1].first != 0;
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}
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return omap_generic_vector[index >> 1].second != 0;
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}
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} vtg;
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struct {
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INSERT_PADDING_BYTES_NOINIT(3); // ImapSystemValuesA
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union {
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BitField<0, 1, u8> primitive_array_id;
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BitField<1, 1, u8> rt_array_index;
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BitField<2, 1, u8> viewport_index;
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BitField<3, 1, u8> point_size;
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BitField<4, 1, u8> position_x;
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BitField<5, 1, u8> position_y;
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BitField<6, 1, u8> position_z;
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BitField<7, 1, u8> position_w;
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BitField<0, 4, u8> first;
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BitField<4, 4, u8> position;
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u8 raw;
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} imap_systemb;
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union {
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BitField<0, 2, PixelImap> x;
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BitField<2, 2, PixelImap> y;
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BitField<4, 2, PixelImap> z;
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BitField<6, 2, PixelImap> w;
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u8 raw;
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} imap_generic_vector[32];
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INSERT_PADDING_BYTES_NOINIT(2); // ImapColor
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INSERT_PADDING_BYTES_NOINIT(2); // ImapSystemValuesC
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INSERT_PADDING_BYTES_NOINIT(10); // ImapFixedFncTexture[10]
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INSERT_PADDING_BYTES_NOINIT(2); // ImapReserved
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struct {
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u32 target;
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union {
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BitField<0, 1, u32> sample_mask;
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BitField<1, 1, u32> depth;
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BitField<2, 30, u32> reserved;
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};
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} omap;
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[[nodiscard]] std::array<bool, 4> EnabledOutputComponents(u32 rt) const noexcept {
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const u32 bits{omap.target >> (rt * 4)};
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return {(bits & 1) != 0, (bits & 2) != 0, (bits & 4) != 0, (bits & 8) != 0};
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}
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[[nodiscard]] std::array<PixelImap, 4> GenericInputMap(u32 attribute) const {
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const auto& vector{imap_generic_vector[attribute]};
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return {vector.x, vector.y, vector.z, vector.w};
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}
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[[nodiscard]] bool IsGenericVectorActive(size_t index) const {
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return imap_generic_vector[index].raw != 0;
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}
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} ps;
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std::array<u32, 0xf> raw;
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};
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[[nodiscard]] u64 LocalMemorySize() const noexcept {
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return static_cast<u64>(common1.shader_local_memory_low_size) |
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(static_cast<u64>(common2.shader_local_memory_high_size) << 24);
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}
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};
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static_assert(sizeof(ProgramHeader) == 0x50, "Incorrect structure size");
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} // namespace Shader
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