Support gl_FrontSecondaryColor attribute

This commit is contained in:
vonchenplus 2021-10-26 23:09:44 +08:00
parent b04c7b6343
commit 92bebecf46
3 changed files with 33 additions and 0 deletions

View file

@ -1286,6 +1286,14 @@ void EmitContext::DefineInputs(const IR::Program& program) {
Decorate(id, spv::Decoration::Location, location); Decorate(id, spv::Decoration::Location, location);
input_front_color = id; input_front_color = id;
} }
if (loads.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location;
used_locations.set(location);
const Id id{DefineInput(*this, F32[4], true)};
Decorate(id, spv::Decoration::Location, location);
input_front_secondary_color = id;
}
if (loads.AnyComponent(IR::Attribute::ColorBackDiffuseR)) { if (loads.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location); const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location; previous_unused_location = location;
@ -1371,6 +1379,14 @@ void EmitContext::DefineOutputs(const IR::Program& program) {
Decorate(id, spv::Decoration::Location, static_cast<u32>(location)); Decorate(id, spv::Decoration::Location, static_cast<u32>(location));
output_front_color = id; output_front_color = id;
} }
if (info.stores.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location;
used_locations.set(location);
const Id id{DefineOutput(*this, F32[4], invocations)};
Decorate(id, spv::Decoration::Location, static_cast<u32>(location));
output_front_secondary_color = id;
}
if (info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) { if (info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location); const size_t location = FindNextUnusedLocation(used_locations, previous_unused_location);
previous_unused_location = location; previous_unused_location = location;

View file

@ -269,6 +269,7 @@ public:
Id input_position{}; Id input_position{};
Id input_front_color{}; Id input_front_color{};
Id input_front_secondary_color{};
Id input_back_color{}; Id input_back_color{};
std::array<Id, 10> input_fixed_fnc_textures{}; std::array<Id, 10> input_fixed_fnc_textures{};
std::array<Id, 32> input_generics{}; std::array<Id, 32> input_generics{};
@ -276,6 +277,7 @@ public:
Id output_point_size{}; Id output_point_size{};
Id output_position{}; Id output_position{};
Id output_front_color{}; Id output_front_color{};
Id output_front_secondary_color{};
Id output_back_color{}; Id output_back_color{};
std::array<Id, 10> output_fixed_fnc_textures{}; std::array<Id, 10> output_fixed_fnc_textures{};
std::array<std::array<GenericElementInfo, 4>, 32> output_generics{}; std::array<std::array<GenericElementInfo, 4>, 32> output_generics{};

View file

@ -119,6 +119,14 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
const Id element_id{ctx.Const(element)}; const Id element_id{ctx.Const(element)};
return OutputAccessChain(ctx, ctx.output_f32, ctx.output_front_color, element_id); return OutputAccessChain(ctx, ctx.output_f32, ctx.output_front_color, element_id);
} }
case IR::Attribute::ColorFrontSpecularR:
case IR::Attribute::ColorFrontSpecularG:
case IR::Attribute::ColorFrontSpecularB:
case IR::Attribute::ColorFrontSpecularA: {
const u32 element{static_cast<u32>(attr) % 4};
const Id element_id{ctx.Const(element)};
return OutputAccessChain(ctx, ctx.output_f32, ctx.output_front_secondary_color, element_id);
}
case IR::Attribute::ColorBackDiffuseR: case IR::Attribute::ColorBackDiffuseR:
case IR::Attribute::ColorBackDiffuseG: case IR::Attribute::ColorBackDiffuseG:
case IR::Attribute::ColorBackDiffuseB: case IR::Attribute::ColorBackDiffuseB:
@ -371,6 +379,13 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_front_color, return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_front_color,
ctx.Const(element))); ctx.Const(element)));
} }
case IR::Attribute::ColorFrontSpecularR:
case IR::Attribute::ColorFrontSpecularG:
case IR::Attribute::ColorFrontSpecularB:
case IR::Attribute::ColorFrontSpecularA: {
return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_front_secondary_color,
ctx.Const(element)));
}
case IR::Attribute::ColorBackDiffuseR: case IR::Attribute::ColorBackDiffuseR:
case IR::Attribute::ColorBackDiffuseG: case IR::Attribute::ColorBackDiffuseG:
case IR::Attribute::ColorBackDiffuseB: case IR::Attribute::ColorBackDiffuseB: