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Implemented (Partialy) Shader Header

This commit is contained in:
FernandoS27 2018-09-10 21:00:55 -04:00
parent 1470b85af9
commit e926757c8f
3 changed files with 102 additions and 2 deletions

View file

@ -12,6 +12,7 @@ add_library(video_core STATIC
engines/maxwell_dma.cpp
engines/maxwell_dma.h
engines/shader_bytecode.h
engines/shader_header.h
gpu.cpp
gpu.h
macro_interpreter.cpp

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@ -0,0 +1,97 @@
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/common_funcs.h"
namespace Tegra::Shader {
enum class OutputTopology : u32 {
PointList = 1,
LineStrip = 6,
TriangleStrip = 7,
};
// Documentation in:
// http://download.nvidia.com/open-gpu-doc/Shader-Program-Header/1/Shader-Program-Header.html#ImapTexture
struct Header {
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, 5, u32> reserved;
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<24, 4, u32> reserved;
BitField<12, 8, u32> store_req_end; // NOTE: not used by geometry shaders.
} common4;
union {
struct {
INSERT_PADDING_BYTES(3); // ImapSystemValuesA
INSERT_PADDING_BYTES(1); // ImapSystemValuesB
INSERT_PADDING_BYTES(16); // ImapGenericVector[32]
INSERT_PADDING_BYTES(2); // ImapColor
INSERT_PADDING_BYTES(2); // ImapSystemValuesC
INSERT_PADDING_BYTES(5); // ImapFixedFncTexture[10]
INSERT_PADDING_BYTES(1); // ImapReserved
INSERT_PADDING_BYTES(3); // OmapSystemValuesA
INSERT_PADDING_BYTES(1); // OmapSystemValuesB
INSERT_PADDING_BYTES(16); // OmapGenericVector[32]
INSERT_PADDING_BYTES(2); // OmapColor
INSERT_PADDING_BYTES(2); // OmapSystemValuesC
INSERT_PADDING_BYTES(5); // OmapFixedFncTexture[10]
INSERT_PADDING_BYTES(1); // OmapReserved
} ps;
struct {
INSERT_PADDING_BYTES(3); // ImapSystemValuesA
INSERT_PADDING_BYTES(1); // ImapSystemValuesB
INSERT_PADDING_BYTES(32); // ImapGenericVector[32]
INSERT_PADDING_BYTES(2); // ImapColor
INSERT_PADDING_BYTES(2); // ImapSystemValuesC
INSERT_PADDING_BYTES(10); // ImapFixedFncTexture[10]
INSERT_PADDING_BYTES(2); // ImapReserved
INSERT_PADDING_BYTES(4); // OmapTarget[8]
union {
BitField<0, 1, u32> omap_sample_mask;
BitField<1, 1, u32> omap_depth;
BitField<2, 30, u32> omap_reserved;
} omap;
} vtg;
} sph;
};
static_assert(sizeof(Header) == 0x50, "Incorrect structure size");
} // namespace Tegra::Shader

View file

@ -12,6 +12,7 @@
#include "common/assert.h"
#include "common/common_types.h"
#include "video_core/engines/shader_bytecode.h"
#include "video_core/engines/shader_header.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
@ -26,7 +27,7 @@ using Tegra::Shader::Sampler;
using Tegra::Shader::SubOp;
constexpr u32 PROGRAM_END = MAX_PROGRAM_CODE_LENGTH;
constexpr u32 PROGRAM_HEADER_SIZE = 0x50;
constexpr u32 PROGRAM_HEADER_SIZE = sizeof(Tegra::Shader::Header);
class DecompileFail : public std::runtime_error {
public:
@ -674,7 +675,7 @@ public:
u32 main_offset, Maxwell3D::Regs::ShaderStage stage, const std::string& suffix)
: subroutines(subroutines), program_code(program_code), main_offset(main_offset),
stage(stage), suffix(suffix) {
std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
Generate(suffix);
}
@ -2502,6 +2503,7 @@ private:
private:
const std::set<Subroutine>& subroutines;
const ProgramCode& program_code;
Tegra::Shader::Header header;
const u32 main_offset;
Maxwell3D::Regs::ShaderStage stage;
const std::string& suffix;