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glsl: Add cbuf access workaround for devices with component indexing bug

This commit is contained in:
ameerj 2021-06-04 02:05:04 -04:00
parent 747b8556a4
commit 35e78d558d
2 changed files with 112 additions and 51 deletions
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147
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
View File

@ -44,95 +44,154 @@ std::string OutputVertexIndex(EmitContext& ctx, std::string_view vertex) {
void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) { const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
ctx.AddU32("{}=bitfieldExtract(ftou({}_cbuf{}[{}].{}),int({}),8);", inst, ctx.stage_name, ctx.AddU32("{}=bitfieldExtract(ftou({}[{}].{}),int({}),8);", inst, cbuf, offset.U32() / 16,
binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()), OffsetSwizzle(offset.U32()), (offset.U32() % 4) * 8);
(offset.U32() % 4) * 8); return;
} else { }
const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto offset_var{ctx.var_alloc.Consume(offset)};
ctx.AddU32("{}=bitfieldExtract(ftou({}_cbuf{}[{}/16][({}>>2)%4]),int(({}%4)*8),8);", inst, if (!ctx.profile.has_gl_component_indexing_bug) {
ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var); ctx.AddU32("{}=bitfieldExtract(ftou({}[{}>>4][({}>>2)%4]),int(({}%4)*8),8);", inst, cbuf,
offset_var, offset_var, offset_var);
return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 swizzle = 0; swizzle < 4; ++swizzle) {
ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftou({}[{}>>4].{}),int(({}%4)*8),8);",
cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var);
} }
} }
void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) { const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
ctx.AddU32("{}=bitfieldExtract(ftoi({}_cbuf{}[{}].{}),int({}),8);", inst, ctx.stage_name, ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}].{}),int({}),8);", inst, cbuf, offset.U32() / 16,
binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()), OffsetSwizzle(offset.U32()), (offset.U32() % 4) * 8);
(offset.U32() % 4) * 8); return;
} else { }
const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto offset_var{ctx.var_alloc.Consume(offset)};
ctx.AddU32("{}=bitfieldExtract(ftoi({}_cbuf{}[{}/16][({}>>2)%4]),int(({}%4)*8),8);", inst, if (!ctx.profile.has_gl_component_indexing_bug) {
ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var); ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}>>4][({}>>2)%4]),int(({}%4)*8),8);", inst, cbuf,
offset_var, offset_var, offset_var);
return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 swizzle = 0; swizzle < 4; ++swizzle) {
ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftoi({}[{}>>4].{}),int(({}%4)*8),8);",
cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var);
} }
} }
void EmitGetCbufU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) { const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
ctx.AddU32("{}=bitfieldExtract(ftou({}_cbuf{}[{}].{}),int({}),16);", inst, ctx.stage_name, ctx.AddU32("{}=bitfieldExtract(ftou({}[{}].{}),int({}),16);", inst, cbuf, offset.U32() / 16,
binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()), OffsetSwizzle(offset.U32()), ((offset.U32() / 2) % 2) * 16);
((offset.U32() / 2) % 2) * 16); return;
} else { }
const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto offset_var{ctx.var_alloc.Consume(offset)};
ctx.AddU32("{}=bitfieldExtract(ftou({}_cbuf{}[{}/16][({}>>2)%4]),int((({}/" if (!ctx.profile.has_gl_component_indexing_bug) {
"2)%2)*16),16);", ctx.AddU32("{}=bitfieldExtract(ftou({}[{}>>4][({}>>2)%4]),int((({}>>1)%2)*16),16);", inst,
inst, ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var); cbuf, offset_var, offset_var, offset_var);
return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 swizzle = 0; swizzle < 4; ++swizzle) {
ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftou({}[{}>>4].{}),int((({}>>1)%2)*16),16);",
cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var);
} }
} }
void EmitGetCbufS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) { const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
ctx.AddU32("{}=bitfieldExtract(ftoi({}_cbuf{}[{}].{}),int({}),16);", inst, ctx.stage_name, ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}].{}),int({}),16);", inst, cbuf, offset.U32() / 16,
binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()), OffsetSwizzle(offset.U32()), ((offset.U32() / 2) % 2) * 16);
((offset.U32() / 2) % 2) * 16); return;
} else { }
const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto offset_var{ctx.var_alloc.Consume(offset)};
ctx.AddU32("{}=bitfieldExtract(ftoi({}_cbuf{}[{}/16][({}>>2)%4]),int((({}/" if (!ctx.profile.has_gl_component_indexing_bug) {
"2)%2)*16),16);", ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}>>4][({}>>2)%4]),int((({}>>1)%2)*16),16);", inst,
inst, ctx.stage_name, binding.U32(), offset_var, offset_var, offset_var); cbuf, offset_var, offset_var, offset_var);
return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 swizzle = 0; swizzle < 4; ++swizzle) {
ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftoi({}[{}>>4].{}),int((({}>>1)%2)*16),16);",
cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var);
} }
} }
void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) { const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
ctx.AddU32("{}=ftou({}_cbuf{}[{}].{});", inst, ctx.stage_name, binding.U32(), ctx.AddU32("{}=ftou({}[{}].{});", inst, cbuf, offset.U32() / 16,
offset.U32() / 16, OffsetSwizzle(offset.U32())); OffsetSwizzle(offset.U32()));
} else { return;
}
const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto offset_var{ctx.var_alloc.Consume(offset)};
ctx.AddU32("{}=ftou({}_cbuf{}[{}/16][({}>>2)%4]);", inst, ctx.stage_name, binding.U32(), if (!ctx.profile.has_gl_component_indexing_bug) {
offset_var, offset_var); ctx.AddU32("{}=ftou({}[{}>>4][({}>>2)%4]);", inst, cbuf, offset_var, offset_var);
return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 swizzle = 0; swizzle < 4; ++swizzle) {
ctx.Add("if(({}&3)=={}){}=ftou({}[{}>>4].{});", cbuf_offset, swizzle, ret, cbuf, offset_var,
"xyzw"[swizzle]);
} }
} }
void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) { const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
ctx.AddF32("{}={}_cbuf{}[{}].{};", inst, ctx.stage_name, binding.U32(), offset.U32() / 16, ctx.AddF32("{}={}[{}].{};", inst, cbuf, offset.U32() / 16, OffsetSwizzle(offset.U32()));
OffsetSwizzle(offset.U32())); return;
} else { }
const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto offset_var{ctx.var_alloc.Consume(offset)};
ctx.AddF32("{}={}_cbuf{}[{}/16][({}>>2)%4];", inst, ctx.stage_name, binding.U32(), if (!ctx.profile.has_gl_component_indexing_bug) {
offset_var, offset_var); ctx.AddF32("{}={}[{}>>4][({}>>2)%4];", inst, cbuf, offset_var, offset_var);
return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::F32)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 swizzle = 0; swizzle < 4; ++swizzle) {
ctx.Add("if(({}&3)=={}){}={}[{}>>4].{};", cbuf_offset, swizzle, ret, cbuf, offset_var,
"xyzw"[swizzle]);
} }
} }
void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) { const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
ctx.AddU32x2("{}=uvec2(ftou({}_cbuf{}[{}].{}),ftou({}_cbuf{}[{}].{}));", inst, ctx.AddU32x2("{}=uvec2(ftou({}[{}].{}),ftou({}[{}].{}));", inst, cbuf, offset.U32() / 16,
ctx.stage_name, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()), OffsetSwizzle(offset.U32()), cbuf, (offset.U32() + 4) / 16,
ctx.stage_name, binding.U32(), (offset.U32() + 4) / 16,
OffsetSwizzle(offset.U32() + 4)); OffsetSwizzle(offset.U32() + 4));
} else { return;
}
const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto offset_var{ctx.var_alloc.Consume(offset)};
ctx.AddU32x2("{}=uvec2(ftou({}_cbuf{}[{}/16][({}/" if (!ctx.profile.has_gl_component_indexing_bug) {
"4)%4]),ftou({}_cbuf{}[({}+4)/16][(({}+4)>>2)%4]));", ctx.AddU32x2("{}=uvec2(ftou({}[{}>>4][({}>>2)%4]),ftou({}[({}+4)>>4][(({}+4)>>2)%4]));",
inst, ctx.stage_name, binding.U32(), offset_var, offset_var, ctx.stage_name, inst, cbuf, offset_var, offset_var, cbuf, offset_var, offset_var);
binding.U32(), offset_var, offset_var); return;
}
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32x2)};
const auto cbuf_offset{fmt::format("{}>>2", offset_var)};
for (u32 swizzle = 0; swizzle < 4; ++swizzle) {
ctx.Add("if(({}&3)=={}){}=uvec2(ftou({}[{}>>4].{}),ftou({}[({}+4)>>4].{}));", cbuf_offset,
swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], cbuf, offset_var,
"xyzw"[(swizzle + 1) % 4]);
} }
} }

2
src/shader_recompiler/profile.h
View File

@ -101,6 +101,8 @@ struct Profile {
bool has_broken_unsigned_image_offsets{}; bool has_broken_unsigned_image_offsets{};
/// Signed instructions with unsigned data types are misinterpreted /// Signed instructions with unsigned data types are misinterpreted
bool has_broken_signed_operations{}; bool has_broken_signed_operations{};
/// Dynamic vec4 indexing is broken on some OpenGL drivers
bool has_gl_component_indexing_bug{};
/// Ignores SPIR-V ordered vs unordered using GLSL semantics /// Ignores SPIR-V ordered vs unordered using GLSL semantics
bool ignore_nan_fp_comparisons{}; bool ignore_nan_fp_comparisons{};
}; };