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-rw-r--r--src/shader_recompiler/program_header.h219
1 files changed, 219 insertions, 0 deletions
diff --git a/src/shader_recompiler/program_header.h b/src/shader_recompiler/program_header.h
new file mode 100644
index 000000000..bd6c2bfb5
--- /dev/null
+++ b/src/shader_recompiler/program_header.h
@@ -0,0 +1,219 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <optional>
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Shader {
+
+enum class OutputTopology : u32 {
+ PointList = 1,
+ LineStrip = 6,
+ TriangleStrip = 7,
+};
+
+enum class PixelImap : u8 {
+ Unused = 0,
+ Constant = 1,
+ Perspective = 2,
+ ScreenLinear = 3,
+};
+
+// Documentation in:
+// http://download.nvidia.com/open-gpu-doc/Shader-Program-Header/1/Shader-Program-Header.html
+struct ProgramHeader {
+ union {
+ BitField<0, 5, u32> sph_type;
+ BitField<5, 5, u32> version;
+ BitField<10, 4, u32> shader_type;
+ BitField<14, 1, u32> mrt_enable;
+ BitField<15, 1, u32> kills_pixels;
+ BitField<16, 1, u32> does_global_store;
+ BitField<17, 4, u32> sass_version;
+ BitField<21, 2, u32> reserved1;
+ BitField<24, 1, u32> geometry_passthrough;
+ BitField<25, 1, u32> reserved2;
+ BitField<26, 1, u32> does_load_or_store;
+ BitField<27, 1, u32> does_fp64;
+ BitField<28, 4, u32> stream_out_mask;
+ } common0;
+
+ union {
+ BitField<0, 24, u32> shader_local_memory_low_size;
+ BitField<24, 8, u32> per_patch_attribute_count;
+ } common1;
+
+ union {
+ BitField<0, 24, u32> shader_local_memory_high_size;
+ BitField<24, 8, u32> threads_per_input_primitive;
+ } common2;
+
+ union {
+ BitField<0, 24, u32> shader_local_memory_crs_size;
+ BitField<24, 4, OutputTopology> output_topology;
+ BitField<28, 4, u32> reserved;
+ } common3;
+
+ union {
+ BitField<0, 12, u32> max_output_vertices;
+ BitField<12, 8, u32> store_req_start; // NOTE: not used by geometry shaders.
+ BitField<20, 4, u32> reserved;
+ BitField<24, 8, u32> store_req_end; // NOTE: not used by geometry shaders.
+ } common4;
+
+ union {
+ struct {
+ INSERT_PADDING_BYTES_NOINIT(3); // ImapSystemValuesA
+
+ union {
+ BitField<0, 1, u8> primitive_array_id;
+ BitField<1, 1, u8> rt_array_index;
+ BitField<2, 1, u8> viewport_index;
+ BitField<3, 1, u8> point_size;
+ BitField<4, 1, u8> position_x;
+ BitField<5, 1, u8> position_y;
+ BitField<6, 1, u8> position_z;
+ BitField<7, 1, u8> position_w;
+ u8 raw;
+ } imap_systemb;
+
+ std::array<u8, 16> imap_generic_vector;
+
+ INSERT_PADDING_BYTES_NOINIT(2); // ImapColor
+ union {
+ BitField<0, 8, u16> clip_distances;
+ BitField<8, 1, u16> point_sprite_s;
+ BitField<9, 1, u16> point_sprite_t;
+ BitField<10, 1, u16> fog_coordinate;
+ BitField<12, 1, u16> tessellation_eval_point_u;
+ BitField<13, 1, u16> tessellation_eval_point_v;
+ BitField<14, 1, u16> instance_id;
+ BitField<15, 1, u16> vertex_id;
+ };
+ INSERT_PADDING_BYTES_NOINIT(5); // ImapFixedFncTexture[10]
+ INSERT_PADDING_BYTES_NOINIT(1); // ImapReserved
+ INSERT_PADDING_BYTES_NOINIT(3); // OmapSystemValuesA
+
+ union {
+ BitField<0, 1, u8> primitive_array_id;
+ BitField<1, 1, u8> rt_array_index;
+ BitField<2, 1, u8> viewport_index;
+ BitField<3, 1, u8> point_size;
+ BitField<4, 1, u8> position_x;
+ BitField<5, 1, u8> position_y;
+ BitField<6, 1, u8> position_z;
+ BitField<7, 1, u8> position_w;
+ u8 raw;
+ } omap_systemb;
+
+ std::array<u8, 16> omap_generic_vector;
+
+ INSERT_PADDING_BYTES_NOINIT(2); // OmapColor
+
+ union {
+ BitField<0, 8, u16> clip_distances;
+ BitField<8, 1, u16> point_sprite_s;
+ BitField<9, 1, u16> point_sprite_t;
+ BitField<10, 1, u16> fog_coordinate;
+ BitField<12, 1, u16> tessellation_eval_point_u;
+ BitField<13, 1, u16> tessellation_eval_point_v;
+ BitField<14, 1, u16> instance_id;
+ BitField<15, 1, u16> vertex_id;
+ } omap_systemc;
+
+ INSERT_PADDING_BYTES_NOINIT(5); // OmapFixedFncTexture[10]
+ INSERT_PADDING_BYTES_NOINIT(1); // OmapReserved
+
+ [[nodiscard]] std::array<bool, 4> InputGeneric(size_t index) const noexcept {
+ const int data{imap_generic_vector[index >> 1] >> ((index % 2) * 4)};
+ return {
+ (data & 1) != 0,
+ (data & 2) != 0,
+ (data & 4) != 0,
+ (data & 8) != 0,
+ };
+ }
+
+ [[nodiscard]] std::array<bool, 4> OutputGeneric(size_t index) const noexcept {
+ const int data{omap_generic_vector[index >> 1] >> ((index % 2) * 4)};
+ return {
+ (data & 1) != 0,
+ (data & 2) != 0,
+ (data & 4) != 0,
+ (data & 8) != 0,
+ };
+ }
+ } vtg;
+
+ struct {
+ INSERT_PADDING_BYTES_NOINIT(3); // ImapSystemValuesA
+
+ union {
+ BitField<0, 1, u8> primitive_array_id;
+ BitField<1, 1, u8> rt_array_index;
+ BitField<2, 1, u8> viewport_index;
+ BitField<3, 1, u8> point_size;
+ BitField<4, 1, u8> position_x;
+ BitField<5, 1, u8> position_y;
+ BitField<6, 1, u8> position_z;
+ BitField<7, 1, u8> position_w;
+ BitField<0, 4, u8> first;
+ BitField<4, 4, u8> position;
+ u8 raw;
+ } imap_systemb;
+
+ union {
+ BitField<0, 2, PixelImap> x;
+ BitField<2, 2, PixelImap> y;
+ BitField<4, 2, PixelImap> z;
+ BitField<6, 2, PixelImap> w;
+ u8 raw;
+ } imap_generic_vector[32];
+
+ INSERT_PADDING_BYTES_NOINIT(2); // ImapColor
+ INSERT_PADDING_BYTES_NOINIT(2); // ImapSystemValuesC
+ INSERT_PADDING_BYTES_NOINIT(10); // ImapFixedFncTexture[10]
+ INSERT_PADDING_BYTES_NOINIT(2); // ImapReserved
+
+ struct {
+ u32 target;
+ union {
+ BitField<0, 1, u32> sample_mask;
+ BitField<1, 1, u32> depth;
+ BitField<2, 30, u32> reserved;
+ };
+ } omap;
+
+ [[nodiscard]] std::array<bool, 4> EnabledOutputComponents(u32 rt) const noexcept {
+ const u32 bits{omap.target >> (rt * 4)};
+ return {(bits & 1) != 0, (bits & 2) != 0, (bits & 4) != 0, (bits & 8) != 0};
+ }
+
+ [[nodiscard]] std::array<PixelImap, 4> GenericInputMap(u32 attribute) const {
+ const auto& vector{imap_generic_vector[attribute]};
+ return {vector.x, vector.y, vector.z, vector.w};
+ }
+
+ [[nodiscard]] bool IsGenericVectorActive(size_t index) const {
+ return imap_generic_vector[index].raw != 0;
+ }
+ } ps;
+
+ std::array<u32, 0xf> raw;
+ };
+
+ [[nodiscard]] u64 LocalMemorySize() const noexcept {
+ return static_cast<u64>(common1.shader_local_memory_low_size) |
+ (static_cast<u64>(common2.shader_local_memory_high_size) << 24);
+ }
+};
+static_assert(sizeof(ProgramHeader) == 0x50, "Incorrect structure size");
+
+} // namespace Shader
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