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shader: emit dynamic sample offsets with the enabled maintenance8 feature

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This commit is contained in:
Ali Almohaya
2026-10-12 19:11:00 +02:00
committed by nmzik
parent 652154aead
commit 460a196fca
11 changed files with 135 additions and 26 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterImage.cpp
+3 -2
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@@ -333,6 +333,7 @@ uint32_t PackedOffset(ValueEmitContext& ctx, IR::Value value, ImageDimension dim
TypeI32Vector(ctx.state, components),
std::span(values).first(components));
}
ctx.state.builder.RequireCapability(spv::CapabilityImageGatherExtended);
mask |= spv::ImageOperandsOffsetMask;
const auto packed = Unary(ctx.state, spv::OpBitcast, TypeI32(ctx.state), ctx.Def(value));
for (uint32_t index = 0; index < components; index++) {
@@ -937,8 +938,8 @@ void EmitImage(ValueEmitContext& ctx, const IR::Inst& inst) {
operand_count = 2;
}
if (layout.offset != NoImageComponent &&
!offset_value.IsImmediate()) {
ctx.Fail(inst, "has a nonconstant sample texel offset");
!offset_value.IsImmediate() && !state.maintenance8_enabled) {
ctx.Fail(inst, "requires maintenance8 for a dynamic sample texel offset");
}
const auto samplers = EmitImageSamplers(ctx, inst);
const auto EmitSample = [&](uint32_t resource, uint32_t array_index) {