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Shader_Ir: Refactor Decompilation process and allow multiple decompilation modes.

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This commit is contained in:
Fernando Sahmkow 2019-08-16 16:25:02 -04:00 • committed by FernandoS27
parent 38fc995f6c
commit 47e4f6a52c
15 changed files with 338 additions and 82 deletions
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8
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -352,9 +352,11 @@ public:
// TODO(Subv): Figure out the actual depth of the flow stack, for now it seems
// unlikely that shaders will use 20 nested SSYs and PBKs.
constexpr u32 FLOW_STACK_SIZE = 20;
for (const auto stack : std::array{MetaStackClass::Ssy, MetaStackClass::Pbk}) {
code.AddLine("uint {}[{}];", FlowStackName(stack), FLOW_STACK_SIZE);
code.AddLine("uint {} = 0u;", FlowStackTopName(stack));
if (!ir.IsFlowStackDisabled()) {
for (const auto stack : std::array{MetaStackClass::Ssy, MetaStackClass::Pbk}) {
code.AddLine("uint {}[{}];", FlowStackName(stack), FLOW_STACK_SIZE);
code.AddLine("uint {} = 0u;", FlowStackTopName(stack));
}
}
code.AddLine("while (true) {{");

25
src/video_core/renderer_opengl/gl_shader_gen.cpp
View file

@ -11,6 +11,8 @@
namespace OpenGL::GLShader {
using Tegra::Engines::Maxwell3D;
using VideoCommon::Shader::CompileDepth;
using VideoCommon::Shader::CompilerSettings;
using VideoCommon::Shader::ProgramCode;
using VideoCommon::Shader::ShaderIR;
@ -31,13 +33,17 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config {
)";
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a);
CompilerSettings settings;
settings.depth = CompileDepth::NoFlowStack;
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a, settings);
const auto stage = setup.IsDualProgram() ? ProgramType::VertexA : ProgramType::VertexB;
ProgramResult program = Decompile(device, program_ir, stage, "vertex");
out += program.first;
if (setup.IsDualProgram()) {
const ShaderIR program_ir_b(setup.program.code_b, PROGRAM_OFFSET, setup.program.size_b);
const ShaderIR program_ir_b(setup.program.code_b, PROGRAM_OFFSET, setup.program.size_b,
settings);
ProgramResult program_b = Decompile(device, program_ir_b, ProgramType::VertexB, "vertex_b");
out += program_b.first;
}
@ -80,7 +86,10 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config {
)";
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a);
CompilerSettings settings;
settings.depth = CompileDepth::NoFlowStack;
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a, settings);
ProgramResult program = Decompile(device, program_ir, ProgramType::Geometry, "geometry");
out += program.first;
@ -114,7 +123,10 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform fs_config {
};
)";
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a);
CompilerSettings settings;
settings.depth = CompileDepth::NoFlowStack;
const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a, settings);
ProgramResult program = Decompile(device, program_ir, ProgramType::Fragment, "fragment");
out += program.first;
@ -133,7 +145,10 @@ ProgramResult GenerateComputeShader(const Device& device, const ShaderSetup& set
std::string out = "// Shader Unique Id: CS" + id + "\n\n";
out += GetCommonDeclarations();
const ShaderIR program_ir(setup.program.code, COMPUTE_OFFSET, setup.program.size_a);
CompilerSettings settings;
settings.depth = CompileDepth::NoFlowStack;
const ShaderIR program_ir(setup.program.code, COMPUTE_OFFSET, setup.program.size_a, settings);
ProgramResult program = Decompile(device, program_ir, ProgramType::Compute, "compute");
out += program.first;