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authorFernando Sahmkow <fsahmkow27@gmail.com>2022-03-06 19:54:40 +0100
committerFernando Sahmkow <fsahmkow27@gmail.com>2022-10-06 21:00:52 +0200
commitba34cf0a691bc73ae6b2d8db6019b1f10d22dde5 (patch)
treedefc91f25d4430b62bdf45af4933edbf46171f93 /src/shader_recompiler/ir_opt
parentShader Decompiler: Fix dangerous behavior of invalid iterator insertion. (diff)
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Diffstat (limited to 'src/shader_recompiler/ir_opt')
-rw-r--r--src/shader_recompiler/ir_opt/texture_pass.cpp34
1 files changed, 31 insertions, 3 deletions
diff --git a/src/shader_recompiler/ir_opt/texture_pass.cpp b/src/shader_recompiler/ir_opt/texture_pass.cpp
index 597112ba4..4bad811c2 100644
--- a/src/shader_recompiler/ir_opt/texture_pass.cpp
+++ b/src/shader_recompiler/ir_opt/texture_pass.cpp
@@ -19,8 +19,10 @@ namespace {
struct ConstBufferAddr {
u32 index;
u32 offset;
+ u32 shift_left;
u32 secondary_index;
u32 secondary_offset;
+ u32 secondary_shift_left;
IR::U32 dynamic_offset;
u32 count;
bool has_secondary;
@@ -182,6 +184,7 @@ std::optional<ConstBufferAddr> TryGetConstBuffer(const IR::Inst* inst) {
switch (inst->GetOpcode()) {
default:
return std::nullopt;
+ case IR::Opcode::BitwiseXor32:
case IR::Opcode::BitwiseOr32: {
std::optional lhs{Track(inst->Arg(0))};
std::optional rhs{Track(inst->Arg(1))};
@@ -194,19 +197,33 @@ std::optional<ConstBufferAddr> TryGetConstBuffer(const IR::Inst* inst) {
if (lhs->count > 1 || rhs->count > 1) {
return std::nullopt;
}
- if (lhs->index > rhs->index || lhs->offset > rhs->offset) {
+ if (lhs->shift_left > 0 || lhs->index > rhs->index || lhs->offset > rhs->offset) {
std::swap(lhs, rhs);
}
return ConstBufferAddr{
.index = lhs->index,
.offset = lhs->offset,
+ .shift_left = lhs->shift_left,
.secondary_index = rhs->index,
.secondary_offset = rhs->offset,
+ .secondary_shift_left = rhs->shift_left,
.dynamic_offset = {},
.count = 1,
.has_secondary = true,
};
}
+ case IR::Opcode::ShiftLeftLogical32: {
+ const IR::Value shift{inst->Arg(1)};
+ if (!shift.IsImmediate()) {
+ return std::nullopt;
+ }
+ std::optional lhs{Track(inst->Arg(0))};
+ if (lhs) {
+ lhs->shift_left = shift.U32();
+ }
+ return lhs;
+ break;
+ }
case IR::Opcode::GetCbufU32x2:
case IR::Opcode::GetCbufU32:
break;
@@ -222,8 +239,10 @@ std::optional<ConstBufferAddr> TryGetConstBuffer(const IR::Inst* inst) {
return ConstBufferAddr{
.index = index.U32(),
.offset = offset.U32(),
+ .shift_left = 0,
.secondary_index = 0,
.secondary_offset = 0,
+ .secondary_shift_left = 0,
.dynamic_offset = {},
.count = 1,
.has_secondary = false,
@@ -247,8 +266,10 @@ std::optional<ConstBufferAddr> TryGetConstBuffer(const IR::Inst* inst) {
return ConstBufferAddr{
.index = index.U32(),
.offset = base_offset,
+ .shift_left = 0,
.secondary_index = 0,
.secondary_offset = 0,
+ .secondary_shift_left = 0,
.dynamic_offset = dynamic_offset,
.count = 8,
.has_secondary = false,
@@ -267,8 +288,10 @@ TextureInst MakeInst(Environment& env, IR::Block* block, IR::Inst& inst) {
addr = ConstBufferAddr{
.index = env.TextureBoundBuffer(),
.offset = inst.Arg(0).U32(),
+ .shift_left = 0,
.secondary_index = 0,
.secondary_offset = 0,
+ .secondary_shift_left = 0,
.dynamic_offset = {},
.count = 1,
.has_secondary = false,
@@ -284,8 +307,9 @@ TextureInst MakeInst(Environment& env, IR::Block* block, IR::Inst& inst) {
TextureType ReadTextureType(Environment& env, const ConstBufferAddr& cbuf) {
const u32 secondary_index{cbuf.has_secondary ? cbuf.secondary_index : cbuf.index};
const u32 secondary_offset{cbuf.has_secondary ? cbuf.secondary_offset : cbuf.offset};
- const u32 lhs_raw{env.ReadCbufValue(cbuf.index, cbuf.offset)};
- const u32 rhs_raw{env.ReadCbufValue(secondary_index, secondary_offset)};
+ const u32 lhs_raw{env.ReadCbufValue(cbuf.index, cbuf.offset) << cbuf.shift_left};
+ const u32 rhs_raw{env.ReadCbufValue(secondary_index, secondary_offset)
+ << cbuf.secondary_shift_left};
return env.ReadTextureType(lhs_raw | rhs_raw);
}
@@ -487,8 +511,10 @@ void TexturePass(Environment& env, IR::Program& program) {
.has_secondary = cbuf.has_secondary,
.cbuf_index = cbuf.index,
.cbuf_offset = cbuf.offset,
+ .shift_left = cbuf.shift_left,
.secondary_cbuf_index = cbuf.secondary_index,
.secondary_cbuf_offset = cbuf.secondary_offset,
+ .secondary_shift_left = cbuf.secondary_shift_left,
.count = cbuf.count,
.size_shift = DESCRIPTOR_SIZE_SHIFT,
});
@@ -499,8 +525,10 @@ void TexturePass(Environment& env, IR::Program& program) {
.has_secondary = cbuf.has_secondary,
.cbuf_index = cbuf.index,
.cbuf_offset = cbuf.offset,
+ .shift_left = cbuf.shift_left,
.secondary_cbuf_index = cbuf.secondary_index,
.secondary_cbuf_offset = cbuf.secondary_offset,
+ .secondary_shift_left = cbuf.secondary_shift_left,
.count = cbuf.count,
.size_shift = DESCRIPTOR_SIZE_SHIFT,
});