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Shader recompiler: accept V_NOT_B32 SDWA partial dst with any source; allow 64 buffers

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The SDWA source extract and destination insert are applied independently in Translate.cpp, so a partial destination can combine with any source selector (PPSA10595 uses v_not_b32 v28.word0, v8.word1 with UNUSED_PRESERVE). The CFG test now covers that form instead of rejecting it.

Raise ShaderInfo::MaxBuffers from 32 to 64 for PPSA10595's compute shader 0x861b5c2f3b868f59; nothing else sizes or packs buffer indices to 32.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Hamza Shakir
2026-09-25 21:04:38 +05:00
parent 12d785db6a
commit 9e74df7dc0
3 changed files with 10 additions and 6 deletions
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src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp
+3 -1
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@@ -522,8 +522,10 @@ constexpr Vop1SdwaRule VOP1_SDWA_RULES[] = {
{Opcode::V_CVT_F32_U32, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), 0, 0, false},
{Opcode::V_CVT_F32_I32, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), 0, 0, false},
{Opcode::V_CVT_F32_UBYTE0, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), 0, 0, false},
// The source field extract and the destination insert are independent (Translate.cpp), so a
// partial destination may combine with any source selector.
{Opcode::V_NOT_B32, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), SdwaSelBytes() | SdwaSelWords(),
SdwaSelFull(), false},
SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), false},
{Opcode::V_FFBL_B32, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), 0, 0, false},
{Opcode::V_CVT_F32_F16, SdwaSelWords() | SdwaSelFull(), 0, 0, true},
{Opcode::V_CVT_F16_F32, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), SdwaSelWords(),
src/graphics/shader/recompiler/ir/ShaderIR.h
+1 -1
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@@ -435,7 +435,7 @@ struct BindingLayout {
};
struct ShaderInfo {
static constexpr uint32_t MaxBuffers = 32;
static constexpr uint32_t MaxBuffers = 64;
static constexpr uint32_t MaxImages = 64;
static constexpr uint32_t MaxSamplers = 32;
static constexpr uint32_t MaxSampledPairs = 64;