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shader: keep fragment layer values under lane masks

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Co-authored-by: shadowbeat070 <70843316+shadowbeat070@users.noreply.github.com>
This commit is contained in:
nmzik
2026-09-05 11:43:49 +04:00
parent 2ec0e9e8f3
commit b96a30ed88
16 changed files with 458 additions and 25 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+8 -3
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@@ -518,6 +518,7 @@ uint32_t BuiltInForInput(IR::StageInputKind kind) {
case IR::StageInputKind::InstanceIndex: return BuiltInInstanceIndex;
case IR::StageInputKind::FragCoord: return BuiltInFragCoord;
case IR::StageInputKind::FrontFacing: return BuiltInFrontFacing;
case IR::StageInputKind::Layer: return BuiltInLayer;
case IR::StageInputKind::BaryCoordSmooth: return BuiltInBaryCoordKHR;
case IR::StageInputKind::BaryCoordNoPerspective: return BuiltInBaryCoordNoPerspKHR;
case IR::StageInputKind::WorkgroupId: return BuiltInWorkgroupId;
@@ -541,6 +542,9 @@ void AddInputAnnotationsAndNames(EmitterState& state) {
}
for (const auto& input: state.inputs) {
state.builder.AddName(input.variable_id, input.debug_name.c_str());
if (input.kind == IR::StageInputKind::Layer) {
state.builder.AddAnnotation({OpDecorate, input.variable_id, DecorationFlat});
}
if (input.kind == IR::StageInputKind::Parameter) {
const auto flat = PixelParameterIsFlat(state, input.location);
if (input.per_vertex) {
@@ -710,9 +714,9 @@ void DefineModule(EmitterState& state) {
if (state.cull_distance_variable != 0) {
state.builder.RequireCapability(CapabilityCullDistance);
}
if (state.layer_variable != 0) {
state.builder.RequireCapability(CapabilityShaderViewportIndexLayerEXT);
state.builder.RequireExtension("SPV_EXT_shader_viewport_index_layer");
if (state.layer_variable != 0 || InputVariableForKind(state, IR::StageInputKind::Layer) != 0) {
state.builder.RequireVersion(0x00010500u);
state.builder.RequireCapability(CapabilityShaderLayer);
}
if (state.requirements.image_gather_extended) {
state.builder.RequireCapability(CapabilityImageGatherExtended);
@@ -805,6 +809,7 @@ void DefineModule(EmitterState& state) {
switch (input.kind) {
case IR::StageInputKind::VertexIndex:
case IR::StageInputKind::InstanceIndex:
case IR::StageInputKind::Layer:
ptr_type = TypePointer(state, StorageClassInput, TypeI32(state));
break;
case IR::StageInputKind::WorkgroupId: