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-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp88
1 files changed, 76 insertions, 12 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index c1a86755a..dec291a7d 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -278,8 +278,7 @@ public:
const Maxwell3D::Regs::ShaderStage& stage, const std::string& suffix,
const Tegra::Shader::Header& header)
: shader{shader}, declarations{declarations}, stage{stage}, suffix{suffix}, header{header},
- fixed_pipeline_output_attributes_used{} {
- local_memory_size = 0;
+ fixed_pipeline_output_attributes_used{}, local_memory_size{0} {
BuildRegisterList();
BuildInputList();
}
@@ -437,22 +436,23 @@ public:
shader.AddLine(dest + " = " + src + ';');
}
- std::string GetLocalMemoryAsFloat(const std::string index) {
- return "lmem[" + index + "]";
+ std::string GetLocalMemoryAsFloat(const std::string& index) {
+ return "lmem[" + index + ']';
}
- std::string GetLocalMemoryAsInteger(const std::string index, bool is_signed = false) {
+ std::string GetLocalMemoryAsInteger(const std::string& index, bool is_signed = false) {
const std::string func{is_signed ? "floatToIntBits" : "floatBitsToUint"};
return func + "(lmem[" + index + "])";
}
- void SetLocalMemoryAsFloat(const std::string index, const std::string value) {
- shader.AddLine("lmem[" + index + "] = " + value);
+ void SetLocalMemoryAsFloat(const std::string& index, const std::string& value) {
+ shader.AddLine("lmem[" + index + "] = " + value + ';');
}
- void SetLocalMemoryAsInteger(const std::string index, const std::string value, bool is_signed = false) {
+ void SetLocalMemoryAsInteger(const std::string& index, const std::string& value,
+ bool is_signed = false) {
const std::string func{is_signed ? "intBitsToFloat" : "uintBitsToFloat"};
- shader.AddLine("lmem[" + index + "] = " + func + '(' + value + ')');
+ shader.AddLine("lmem[" + index + "] = " + func + '(' + value + ");");
}
std::string GetControlCode(const Tegra::Shader::ControlCode cc) const {
@@ -615,7 +615,8 @@ private:
/// Generates declarations for local memory.
void GenerateLocalMemory() {
if (local_memory_size > 0) {
- declarations.AddLine("float lmem[" + std::to_string((local_memory_size - 1 + 4) / 4) + "];");
+ declarations.AddLine("float lmem[" + std::to_string((local_memory_size - 1 + 4) / 4) +
+ "];");
declarations.AddNewLine();
}
}
@@ -937,8 +938,7 @@ public:
: subroutines(subroutines), program_code(program_code), main_offset(main_offset),
stage(stage), suffix(suffix) {
std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
- local_memory_size = (header.common2.shader_local_memory_high_size << 24) |
- header.common1.shader_local_memory_low_size;
+ local_memory_size = header.GetLocalMemorySize();
regs.SetLocalMemory(local_memory_size);
Generate(suffix);
}
@@ -2360,6 +2360,39 @@ private:
shader.AddLine("}");
break;
}
+ case OpCode::Id::LD_L: {
+ // Add an extra scope and declare the index register inside to prevent
+ // overwriting it in case it is used as an output of the LD instruction.
+ shader.AddLine('{');
+ ++shader.scope;
+
+ std::string op = '(' + regs.GetRegisterAsInteger(instr.gpr8, 0, false) + " + " +
+ std::to_string(instr.smem_imm.Value()) + ')';
+
+ shader.AddLine("uint index = (" + op + " / 4);");
+
+ const std::string op_a = regs.GetLocalMemoryAsFloat("index");
+
+ if (instr.ld_l.unknown != 1) {
+ LOG_CRITICAL(HW_GPU, "LD_L Unhandled mode: {}",
+ static_cast<unsigned>(instr.ld_l.unknown.Value()));
+ UNREACHABLE();
+ }
+
+ switch (instr.ldst_sl.type.Value()) {
+ case Tegra::Shader::StoreType::Bytes32:
+ regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1);
+ break;
+ default:
+ LOG_CRITICAL(HW_GPU, "LD_L Unhandled type: {}",
+ static_cast<unsigned>(instr.ldst_sl.type.Value()));
+ UNREACHABLE();
+ }
+
+ --shader.scope;
+ shader.AddLine('}');
+ break;
+ }
case OpCode::Id::ST_A: {
ASSERT_MSG(instr.gpr8.Value() == Register::ZeroIndex,
"Indirect attribute loads are not supported");
@@ -2388,6 +2421,37 @@ private:
break;
}
+ case OpCode::Id::ST_L: {
+ // Add an extra scope and declare the index register inside to prevent
+ // overwriting it in case it is used as an output of the LD instruction.
+ shader.AddLine('{');
+ ++shader.scope;
+
+ std::string op = '(' + regs.GetRegisterAsInteger(instr.gpr8, 0, false) + " + " +
+ std::to_string(instr.smem_imm.Value()) + ')';
+
+ shader.AddLine("uint index = (" + op + " / 4);");
+
+ if (instr.st_l.unknown != 0) {
+ LOG_CRITICAL(HW_GPU, "ST_L Unhandled mode: {}",
+ static_cast<unsigned>(instr.st_l.unknown.Value()));
+ UNREACHABLE();
+ }
+
+ switch (instr.ldst_sl.type.Value()) {
+ case Tegra::Shader::StoreType::Bytes32:
+ regs.SetLocalMemoryAsFloat("index", regs.GetRegisterAsFloat(instr.gpr0));
+ break;
+ default:
+ LOG_CRITICAL(HW_GPU, "ST_L Unhandled type: {}",
+ static_cast<unsigned>(instr.ldst_sl.type.Value()));
+ UNREACHABLE();
+ }
+
+ --shader.scope;
+ shader.AddLine('}');
+ break;
+ }
case OpCode::Id::TEX: {
Tegra::Shader::TextureType texture_type{instr.tex.texture_type};
std::string coord;