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glasm: Fix output patch reads 

With this, Luigi's Mansion's sand renders properly.
This commit is contained in:
ReinUsesLisp 2021-05-21 02:56:59 -03:00 committed by ameerj
parent c07cc9d6a5
commit b382f57b28
2 changed files with 22 additions and 13 deletions
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12
src/shader_recompiler/backend/glasm/emit_context.cpp
View File

@ -21,6 +21,11 @@ std::string_view InterpDecorator(Interpolation interp) {
}
throw InvalidArgument("Invalid interpolation {}", interp);
}
bool IsInputArray(Stage stage) {
return stage == Stage::Geometry || stage == Stage::TessellationControl ||
stage == Stage::TessellationEval;
}
} // Anonymous namespace
EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
@ -76,7 +81,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
InterpDecorator(generic.interpolation), index, attr_stage, index, index);
}
}
if (stage == Stage::Geometry && info.loads_position) {
if (IsInputArray(stage) && info.loads_position) {
Add("ATTRIB vertex_position=vertex.position;");
}
if (info.uses_invocation_id) {
@ -96,8 +101,9 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
continue;
}
if (stage == Stage::TessellationControl) {
Add("OUTPUT result_patch_attrib{}[]={{result.patch.attrib[{}..{}]}};", index, index,
index);
Add("OUTPUT result_patch_attrib{}[]={{result.patch.attrib[{}..{}]}};"
"ATTRIB primitive_out_patch_attrib{}[]={{primitive.out.patch.attrib[{}..{}]}};",
index, index, index, index, index, index);
} else {
Add("ATTRIB primitive_patch_attrib{}[]={{primitive.patch.attrib[{}..{}]}};", index,
index, index);

23
src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
View File

@ -20,15 +20,13 @@ void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU
ctx.Add("LDC.{} {},c{}[{}];", size, ret, binding.U32(), offset);
}
std::string VertexIndex(EmitContext& ctx, ScalarU32 vertex) {
switch (ctx.stage) {
case Stage::TessellationControl:
case Stage::TessellationEval:
case Stage::Geometry:
return fmt::format("[{}]", vertex);
default:
return "";
bool IsInputArray(Stage stage) {
return stage == Stage::Geometry || stage == Stage::TessellationControl ||
stage == Stage::TessellationEval;
}
std::string VertexIndex(EmitContext& ctx, ScalarU32 vertex) {
return IsInputArray(ctx.stage) ? fmt::format("[{}]", vertex) : "";
}
} // Anonymous namespace
@ -77,7 +75,7 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr, Scal
case IR::Attribute::PositionY:
case IR::Attribute::PositionZ:
case IR::Attribute::PositionW:
if (ctx.stage == Stage::Geometry) {
if (IsInputArray(ctx.stage)) {
ctx.Add("MOV.F {}.x,vertex_position{}.{};", inst, VertexIndex(ctx, vertex), swizzle);
} else {
ctx.Add("MOV.F {}.x,{}.position.{};", inst, ctx.attrib_name, swizzle);
@ -164,7 +162,12 @@ void EmitGetPatch(EmitContext& ctx, IR::Inst& inst, IR::Patch patch) {
}
const u32 index{IR::GenericPatchIndex(patch)};
const u32 element{IR::GenericPatchElement(patch)};
ctx.Add("MOV.F {},result.patch.attrib[{}].{};", inst, index, "xyzw"[element]);
const char swizzle{"xyzw"[element]};
if (ctx.stage == Stage::TessellationControl) {
ctx.Add("MOV.F {},primitive.out.patch.attrib[{}].{};", inst, index, swizzle);
} else {
ctx.Add("MOV.F {},primitive.patch.attrib[{}].{};", inst, index, swizzle);
}
}
void EmitSetPatch(EmitContext& ctx, IR::Patch patch, ScalarF32 value) {