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shader: implement RDNA2 frexp exponent

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This commit is contained in:
nmzik
2026-08-17 07:47:28 +02:00
parent 8ce06ccdf6
commit 1be9568a02
7 changed files with 63 additions and 0 deletions
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src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.cpp
+1
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@@ -566,6 +566,7 @@ std::string OpcodeToString(Opcode opcode) {
case Opcode::VCvtI16F16: return "v_cvt_i16_f16";
case Opcode::VCvtRpiI32F32: return "v_cvt_rpi_i32_f32";
case Opcode::VCvtFlrI32F32: return "v_cvt_flr_i32_f32";
case Opcode::VFrexpExpI32F32: return "v_frexp_exp_i32_f32";
case Opcode::VCvtOffF32I4: return "v_cvt_off_f32_i4";
case Opcode::VCvtF32Ubyte0: return "v_cvt_f32_ubyte0";
case Opcode::VCvtF32Ubyte1: return "v_cvt_f32_ubyte1";
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h
+1
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@@ -151,6 +151,7 @@ enum class Opcode {
VCvtI16F16,
VCvtRpiI32F32,
VCvtFlrI32F32,
VFrexpExpI32F32,
VCvtOffF32I4,
VCvtF32Ubyte0,
VCvtF32Ubyte1,
src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp
+3
View File
@@ -120,6 +120,7 @@ constexpr OpcodeMap VOP1_OPCODE_LIST[] = {
{0x38u, Opcode::VBfrevB32},
{0x39u, Opcode::VFfbhU32},
{0x3au, Opcode::VFfblB32},
{0x3fu, Opcode::VFrexpExpI32F32},
{0x42u, Opcode::VMovreldB32},
{0x43u, Opcode::VMovrelsB32},
{0x50u, Opcode::VCvtF16U16},
@@ -168,6 +169,7 @@ constexpr OpcodeMap VOP3_ENCODED_VOP1_OPCODE_LIST[] = {
{0x38u, Opcode::VBfrevB32},
{0x39u, Opcode::VFfbhU32},
{0x3au, Opcode::VFfblB32},
{0x3fu, Opcode::VFrexpExpI32F32},
{0x42u, Opcode::VMovreldB32},
{0x43u, Opcode::VMovrelsB32},
{0x50u, Opcode::VCvtF16U16},
@@ -410,6 +412,7 @@ bool IsVop1FloatSourceOpcode(Opcode opcode) {
case Opcode::VCvtI32F32:
case Opcode::VCvtRpiI32F32:
case Opcode::VCvtFlrI32F32:
case Opcode::VFrexpExpI32F32:
case Opcode::VCvtF16F32:
case Opcode::VRcpF32:
case Opcode::VRcpIflagF32: