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-rw-r--r--src/video_core/CMakeLists.txt1
-rw-r--r--src/video_core/engines/shader_bytecode.h148
-rw-r--r--src/video_core/engines/shader_header.h103
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp78
4 files changed, 303 insertions, 27 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 4a79ce39c..f5ae57039 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -14,6 +14,7 @@ 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
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index b25168600..7e1de0fa1 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -306,6 +306,15 @@ enum class TextureProcessMode : u64 {
LLA = 7 // Load LOD. The A is unknown, does not appear to differ with LL
};
+enum class TextureMiscMode : u64 {
+ DC,
+ AOFFI, // Uses Offset
+ NDV,
+ NODEP,
+ MZ,
+ PTP,
+};
+
enum class IpaInterpMode : u64 { Linear = 0, Perspective = 1, Flat = 2, Sc = 3 };
enum class IpaSampleMode : u64 { Default = 0, Centroid = 1, Offset = 2 };
@@ -634,42 +643,127 @@ union Instruction {
BitField<28, 1, u64> array;
BitField<29, 2, TextureType> texture_type;
BitField<31, 4, u64> component_mask;
+ BitField<49, 1, u64> nodep_flag;
+ BitField<50, 1, u64> dc_flag;
+ BitField<54, 1, u64> aoffi_flag;
BitField<55, 3, TextureProcessMode> process_mode;
bool IsComponentEnabled(std::size_t component) const {
return ((1ull << component) & component_mask) != 0;
}
+
+ TextureProcessMode GetTextureProcessMode() const {
+ return process_mode;
+ }
+
+ bool UsesMiscMode(TextureMiscMode mode) const {
+ switch (mode) {
+ case TextureMiscMode::DC:
+ return dc_flag != 0;
+ case TextureMiscMode::NODEP:
+ return nodep_flag != 0;
+ case TextureMiscMode::AOFFI:
+ return aoffi_flag != 0;
+ default:
+ break;
+ }
+ return false;
+ }
} tex;
union {
BitField<22, 6, TextureQueryType> query_type;
BitField<31, 4, u64> component_mask;
+ BitField<49, 1, u64> nodep_flag;
+
+ bool UsesMiscMode(TextureMiscMode mode) const {
+ switch (mode) {
+ case TextureMiscMode::NODEP:
+ return nodep_flag != 0;
+ default:
+ break;
+ }
+ return false;
+ }
} txq;
union {
BitField<28, 1, u64> array;
BitField<29, 2, TextureType> texture_type;
BitField<31, 4, u64> component_mask;
+ BitField<35, 1, u64> ndv_flag;
+ BitField<49, 1, u64> nodep_flag;
bool IsComponentEnabled(std::size_t component) const {
return ((1ull << component) & component_mask) != 0;
}
+
+ bool UsesMiscMode(TextureMiscMode mode) const {
+ switch (mode) {
+ case TextureMiscMode::NDV:
+ return (ndv_flag != 0);
+ case TextureMiscMode::NODEP:
+ return (nodep_flag != 0);
+ default:
+ break;
+ }
+ return false;
+ }
} tmml;
union {
BitField<28, 1, u64> array;
BitField<29, 2, TextureType> texture_type;
+ BitField<35, 1, u64> ndv_flag;
+ BitField<49, 1, u64> nodep_flag;
+ BitField<50, 1, u64> dc_flag;
+ BitField<54, 2, u64> info;
BitField<56, 2, u64> component;
+
+ bool UsesMiscMode(TextureMiscMode mode) const {
+ switch (mode) {
+ case TextureMiscMode::NDV:
+ return ndv_flag != 0;
+ case TextureMiscMode::NODEP:
+ return nodep_flag != 0;
+ case TextureMiscMode::DC:
+ return dc_flag != 0;
+ case TextureMiscMode::AOFFI:
+ return info == 1;
+ case TextureMiscMode::PTP:
+ return info == 2;
+ default:
+ break;
+ }
+ return false;
+ }
} tld4;
union {
+ BitField<49, 1, u64> nodep_flag;
+ BitField<50, 1, u64> dc_flag;
+ BitField<51, 1, u64> aoffi_flag;
BitField<52, 2, u64> component;
+
+ bool UsesMiscMode(TextureMiscMode mode) const {
+ switch (mode) {
+ case TextureMiscMode::DC:
+ return dc_flag != 0;
+ case TextureMiscMode::NODEP:
+ return nodep_flag != 0;
+ case TextureMiscMode::AOFFI:
+ return aoffi_flag != 0;
+ default:
+ break;
+ }
+ return false;
+ }
} tld4s;
union {
BitField<0, 8, Register> gpr0;
BitField<28, 8, Register> gpr28;
- BitField<49, 1, u64> nodep;
+ BitField<49, 1, u64> nodep_flag;
BitField<50, 3, u64> component_mask_selector;
BitField<53, 4, u64> texture_info;
@@ -689,6 +783,37 @@ union Instruction {
UNREACHABLE();
}
+ TextureProcessMode GetTextureProcessMode() const {
+ switch (texture_info) {
+ case 0:
+ case 2:
+ case 6:
+ case 8:
+ case 9:
+ case 11:
+ return TextureProcessMode::LZ;
+ case 3:
+ case 5:
+ case 13:
+ return TextureProcessMode::LL;
+ default:
+ break;
+ }
+ return TextureProcessMode::None;
+ }
+
+ bool UsesMiscMode(TextureMiscMode mode) const {
+ switch (mode) {
+ case TextureMiscMode::DC:
+ return (texture_info >= 4 && texture_info <= 6) || texture_info == 9;
+ case TextureMiscMode::NODEP:
+ return nodep_flag != 0;
+ default:
+ break;
+ }
+ return false;
+ }
+
bool IsArrayTexture() const {
// TEXS only supports Texture2D arrays.
return texture_info >= 7 && texture_info <= 9;
@@ -717,6 +842,7 @@ union Instruction {
} texs;
union {
+ BitField<49, 1, u64> nodep_flag;
BitField<53, 4, u64> texture_info;
TextureType GetTextureType() const {
@@ -737,6 +863,26 @@ union Instruction {
UNREACHABLE();
}
+ TextureProcessMode GetTextureProcessMode() const {
+ if (texture_info == 1 || texture_info == 5 || texture_info == 12)
+ return TextureProcessMode::LL;
+ return TextureProcessMode::LZ;
+ }
+
+ bool UsesMiscMode(TextureMiscMode mode) const {
+ switch (mode) {
+ case TextureMiscMode::AOFFI:
+ return texture_info == 12 || texture_info == 4;
+ case TextureMiscMode::MZ:
+ return texture_info == 5;
+ case TextureMiscMode::NODEP:
+ return nodep_flag != 0;
+ default:
+ break;
+ }
+ return false;
+ }
+
bool IsArrayTexture() const {
// TEXS only supports Texture2D arrays.
return texture_info == 8;
diff --git a/src/video_core/engines/shader_header.h b/src/video_core/engines/shader_header.h
new file mode 100644
index 000000000..a885ee3cf
--- /dev/null
+++ b/src/video_core/engines/shader_header.h
@@ -0,0 +1,103 @@
+// 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_funcs.h"
+#include "common/common_types.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
+ } vtg;
+
+ 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
+ struct {
+ u32 target;
+ union {
+ BitField<0, 1, u32> sample_mask;
+ BitField<1, 1, u32> depth;
+ BitField<2, 30, u32> reserved;
+ };
+ } omap;
+ bool IsColorComponentOutputEnabled(u32 render_target, u32 component) const {
+ const u32 bit = render_target * 4 + component;
+ return omap.target & (1 << bit);
+ }
+ } ps;
+ };
+};
+
+static_assert(sizeof(Header) == 0x50, "Incorrect structure size");
+
+} // namespace Tegra::Shader
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index f5425c31e..393ab5eab 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -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:
@@ -714,7 +715,7 @@ 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);
}
@@ -728,23 +729,6 @@ public:
}
private:
- // Shader program header for a Fragment Shader.
- struct FragmentHeader {
- INSERT_PADDING_WORDS(5);
- INSERT_PADDING_WORDS(13);
- u32 enabled_color_outputs;
- union {
- BitField<0, 1, u32> writes_samplemask;
- BitField<1, 1, u32> writes_depth;
- };
-
- bool IsColorComponentOutputEnabled(u32 render_target, u32 component) const {
- const u32 bit = render_target * 4 + component;
- return enabled_color_outputs & (1 << bit);
- }
- };
- static_assert(sizeof(FragmentHeader) == PROGRAM_HEADER_SIZE, "FragmentHeader size is wrong");
-
/// Gets the Subroutine object corresponding to the specified address.
const Subroutine& GetSubroutine(u32 begin, u32 end) const {
const auto iter = subroutines.find(Subroutine{begin, end, suffix});
@@ -994,8 +978,6 @@ private:
// TEXS has two destination registers and a swizzle. The first two elements in the swizzle
// go into gpr0+0 and gpr0+1, and the rest goes into gpr28+0 and gpr28+1
- ASSERT_MSG(instr.texs.nodep == 0, "TEXS nodep not implemented");
-
std::size_t written_components = 0;
for (u32 component = 0; component < 4; ++component) {
if (!instr.texs.IsComponentEnabled(component)) {
@@ -1050,10 +1032,8 @@ private:
/// Writes the output values from a fragment shader to the corresponding GLSL output variables.
void EmitFragmentOutputsWrite() {
ASSERT(stage == Maxwell3D::Regs::ShaderStage::Fragment);
- FragmentHeader header;
- std::memcpy(&header, program_code.data(), PROGRAM_HEADER_SIZE);
- ASSERT_MSG(header.writes_samplemask == 0, "Samplemask write is unimplemented");
+ ASSERT_MSG(header.ps.omap.sample_mask == 0, "Samplemask write is unimplemented");
// Write the color outputs using the data in the shader registers, disabled
// rendertargets/components are skipped in the register assignment.
@@ -1062,7 +1042,7 @@ private:
++render_target) {
// TODO(Subv): Figure out how dual-source blending is configured in the Switch.
for (u32 component = 0; component < 4; ++component) {
- if (header.IsColorComponentOutputEnabled(render_target, component)) {
+ if (header.ps.IsColorComponentOutputEnabled(render_target, component)) {
shader.AddLine(fmt::format("FragColor{}[{}] = {};", render_target, component,
regs.GetRegisterAsFloat(current_reg)));
++current_reg;
@@ -1070,7 +1050,7 @@ private:
}
}
- if (header.writes_depth) {
+ if (header.ps.omap.depth) {
// The depth output is always 2 registers after the last color output, and current_reg
// already contains one past the last color register.
@@ -1912,6 +1892,13 @@ private:
Tegra::Shader::TextureType texture_type{instr.tex.texture_type};
std::string coord;
+ ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+
switch (texture_type) {
case Tegra::Shader::TextureType::Texture1D: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
@@ -1994,6 +1981,11 @@ private:
Tegra::Shader::TextureType texture_type{instr.texs.GetTextureType()};
bool is_array{instr.texs.IsArrayTexture()};
+ ASSERT_MSG(!instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+
switch (texture_type) {
case Tegra::Shader::TextureType::Texture2D: {
if (is_array) {
@@ -2030,6 +2022,13 @@ private:
ASSERT(instr.tlds.IsArrayTexture() == false);
std::string coord;
+ ASSERT_MSG(!instr.tlds.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tlds.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tlds.UsesMiscMode(Tegra::Shader::TextureMiscMode::MZ),
+ "MZ is not implemented");
+
switch (instr.tlds.GetTextureType()) {
case Tegra::Shader::TextureType::Texture2D: {
if (instr.tlds.IsArrayTexture()) {
@@ -2058,6 +2057,17 @@ private:
ASSERT(instr.tld4.array == 0);
std::string coord;
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
+ "NDV is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::PTP),
+ "PTP is not implemented");
+
switch (instr.tld4.texture_type) {
case Tegra::Shader::TextureType::Texture2D: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
@@ -2095,6 +2105,13 @@ private:
break;
}
case OpCode::Id::TLD4S: {
+ ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20);
// TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
@@ -2107,6 +2124,9 @@ private:
break;
}
case OpCode::Id::TXQ: {
+ ASSERT_MSG(!instr.txq.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+
// TODO: the new commits on the texture refactor, change the way samplers work.
// Sadly, not all texture instructions specify the type of texture their sampler
// uses. This must be fixed at a later instance.
@@ -2127,6 +2147,11 @@ private:
break;
}
case OpCode::Id::TMML: {
+ ASSERT_MSG(!instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
+ "NDV is not implemented");
+
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const bool is_array = instr.tmml.array != 0;
@@ -2731,6 +2756,7 @@ 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-17 06:15:02 +0200