emit_spirv_image: Fix depth image implicit lod sample in compute
Ensures all drivers behave the same way in this case.
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3791c7ca82
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06894b0711
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@ -355,11 +355,22 @@ Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value&
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Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
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Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
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Id coords, Id dref, Id bias_lc, const IR::Value& offset) {
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Id coords, Id dref, Id bias_lc, const IR::Value& offset) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0, bias_lc,
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if (ctx.stage == Stage::Fragment) {
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offset);
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const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0,
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bias_lc, offset);
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return Emit(&EmitContext::OpImageSparseSampleDrefImplicitLod,
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return Emit(&EmitContext::OpImageSparseSampleDrefImplicitLod,
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&EmitContext::OpImageSampleDrefImplicitLod, ctx, inst, ctx.F32[1],
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&EmitContext::OpImageSampleDrefImplicitLod, ctx, inst, ctx.F32[1],
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Texture(ctx, info, index), coords, dref, operands.MaskOptional(), operands.Span());
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Texture(ctx, info, index), coords, dref, operands.MaskOptional(),
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operands.Span());
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} else {
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// Implicit lods in compute behave on hardware as if sampling from LOD 0.
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// This check is to ensure all drivers behave this way.
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const Id lod{ctx.Const(0.0f)};
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const ImageOperands operands(ctx, false, true, false, lod, offset);
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return Emit(&EmitContext::OpImageSparseSampleDrefExplicitLod,
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&EmitContext::OpImageSampleDrefExplicitLod, ctx, inst, ctx.F32[1],
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Texture(ctx, info, index), coords, dref, operands.Mask(), operands.Span());
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}
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}
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}
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Id EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
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Id EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
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