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spirv: Bitcast non-F32 attributes to F32

This commit is contained in:
ReinUsesLisp 2021-04-16 02:33:46 -03:00 committed by ameerj
parent b0f1255c8c
commit 4657cf78fd
1 changed files with 9 additions and 7 deletions
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16
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
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@ -211,7 +211,7 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
} }
switch (attr) { switch (attr) {
case IR::Attribute::PrimitiveId: case IR::Attribute::PrimitiveId:
return ctx.OpLoad(ctx.U32[1], ctx.primitive_id); return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.primitive_id));
case IR::Attribute::PositionX: case IR::Attribute::PositionX:
case IR::Attribute::PositionY: case IR::Attribute::PositionY:
case IR::Attribute::PositionZ: case IR::Attribute::PositionZ:
@ -220,17 +220,19 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, element_id())); ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, element_id()));
case IR::Attribute::InstanceId: case IR::Attribute::InstanceId:
if (ctx.profile.support_vertex_instance_id) { if (ctx.profile.support_vertex_instance_id) {
return ctx.OpLoad(ctx.U32[1], ctx.instance_id); return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.instance_id));
} else { } else {
return ctx.OpISub(ctx.U32[1], ctx.OpLoad(ctx.U32[1], ctx.instance_index), const Id index{ctx.OpLoad(ctx.U32[1], ctx.instance_index)};
ctx.OpLoad(ctx.U32[1], ctx.base_instance)); const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_instance)};
return ctx.OpBitcast(ctx.F32[1], ctx.OpISub(ctx.U32[1], index, base));
} }
case IR::Attribute::VertexId: case IR::Attribute::VertexId:
if (ctx.profile.support_vertex_instance_id) { if (ctx.profile.support_vertex_instance_id) {
return ctx.OpLoad(ctx.U32[1], ctx.vertex_id); return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.vertex_id));
} else { } else {
return ctx.OpISub(ctx.U32[1], ctx.OpLoad(ctx.U32[1], ctx.vertex_index), const Id index{ctx.OpLoad(ctx.U32[1], ctx.vertex_index)};
ctx.OpLoad(ctx.U32[1], ctx.base_vertex)); const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_vertex)};
return ctx.OpBitcast(ctx.F32[1], ctx.OpISub(ctx.U32[1], index, base));
} }
case IR::Attribute::FrontFace: case IR::Attribute::FrontFace:
return ctx.OpSelect(ctx.U32[1], ctx.OpLoad(ctx.U1, ctx.front_face), return ctx.OpSelect(ctx.U32[1], ctx.OpLoad(ctx.U1, ctx.front_face),