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-rw-r--r--src/video_core/engines/shader_bytecode.h15
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp30
2 files changed, 35 insertions, 10 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index ab45cfbef..2cda1e63e 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -168,13 +168,22 @@ enum class SubOp : u64 {
Min = 0x8,
};
-enum class FloatRoundingOp : u64 {
+enum class F2iRoundingOp : u64 {
None = 0,
Floor = 1,
Ceil = 2,
Trunc = 3,
};
+enum class F2fRoundingOp : u64 {
+ None = 0,
+ Pass = 3,
+ Round = 8,
+ Floor = 9,
+ Ceil = 10,
+ Trunc = 11,
+};
+
enum class UniformType : u64 {
UnsignedByte = 0,
SignedByte = 1,
@@ -314,11 +323,11 @@ union Instruction {
BitField<50, 1, u64> saturate_a;
union {
- BitField<39, 2, FloatRoundingOp> rounding;
+ BitField<39, 2, F2iRoundingOp> rounding;
} f2i;
union {
- BitField<39, 4, u64> rounding;
+ BitField<39, 4, F2fRoundingOp> rounding;
} f2f;
} conversion;
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index f84cedc1d..8e249584f 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -1056,10 +1056,27 @@ private:
break;
}
case OpCode::Id::F2F_R: {
- // TODO(Subv): Implement rounding operations.
- ASSERT_MSG(instr.conversion.f2f.rounding == 0, "Unimplemented rounding operation");
std::string op_a = regs.GetRegisterAsFloat(instr.gpr20);
+ switch (instr.conversion.f2f.rounding) {
+ case Tegra::Shader::F2fRoundingOp::None:
+ break;
+ case Tegra::Shader::F2fRoundingOp::Floor:
+ op_a = "floor(" + op_a + ')';
+ break;
+ case Tegra::Shader::F2fRoundingOp::Ceil:
+ op_a = "ceil(" + op_a + ')';
+ break;
+ case Tegra::Shader::F2fRoundingOp::Trunc:
+ op_a = "trunc(" + op_a + ')';
+ break;
+ default:
+ NGLOG_CRITICAL(HW_GPU, "Unimplemented f2f rounding mode {}",
+ static_cast<u32>(instr.conversion.f2f.rounding.Value()));
+ UNREACHABLE();
+ break;
+ }
+
if (instr.conversion.abs_a) {
op_a = "abs(" + op_a + ')';
}
@@ -1074,17 +1091,16 @@ private:
op_a = "abs(" + op_a + ')';
}
- using Tegra::Shader::FloatRoundingOp;
switch (instr.conversion.f2i.rounding) {
- case FloatRoundingOp::None:
+ case Tegra::Shader::F2iRoundingOp::None:
break;
- case FloatRoundingOp::Floor:
+ case Tegra::Shader::F2iRoundingOp::Floor:
op_a = "floor(" + op_a + ')';
break;
- case FloatRoundingOp::Ceil:
+ case Tegra::Shader::F2iRoundingOp::Ceil:
op_a = "ceil(" + op_a + ')';
break;
- case FloatRoundingOp::Trunc:
+ case Tegra::Shader::F2iRoundingOp::Trunc:
op_a = "trunc(" + op_a + ')';
break;
default: