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| author | Fernando S <fsahmkow27@gmail.com> | 2021-10-30 16:45:58 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-10-30 16:45:58 +0200 |
| commit | 7aa0d97eed750602f7c0745995889f7f00dcb875 (patch) | |
| tree | 59d43dd5adc1805113544678f02693d518b9f874 | |
| parent | Merge pull request #6702 from lat9nq/disable-screensaver (diff) | |
| parent | emit_spirv_image: Fix depth image implicit lod sample in compute (diff) | |
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| -rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_image.cpp | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp index 3588f052b..1d5364309 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_image.cpp @@ -355,11 +355,22 @@ Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id dref, Id bias_lc, const IR::Value& offset) { const auto info{inst->Flags<IR::TextureInstInfo>()}; - const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0, bias_lc, - offset); - return Emit(&EmitContext::OpImageSparseSampleDrefImplicitLod, - &EmitContext::OpImageSampleDrefImplicitLod, ctx, inst, ctx.F32[1], - Texture(ctx, info, index), coords, dref, operands.MaskOptional(), operands.Span()); + if (ctx.stage == Stage::Fragment) { + const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0, + bias_lc, offset); + return Emit(&EmitContext::OpImageSparseSampleDrefImplicitLod, + &EmitContext::OpImageSampleDrefImplicitLod, ctx, inst, ctx.F32[1], + Texture(ctx, info, index), coords, dref, operands.MaskOptional(), + operands.Span()); + } else { + // Implicit lods in compute behave on hardware as if sampling from LOD 0. + // This check is to ensure all drivers behave this way. + const Id lod{ctx.Const(0.0f)}; + const ImageOperands operands(ctx, false, true, false, lod, offset); + return Emit(&EmitContext::OpImageSparseSampleDrefExplicitLod, + &EmitContext::OpImageSampleDrefExplicitLod, ctx, inst, ctx.F32[1], + Texture(ctx, info, index), coords, dref, operands.Mask(), operands.Span()); + } } Id EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, |