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glsl: SSBO access fixes and wip SampleExplicitLod implementation.
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parent
f6bbc76336
commit
453cd25da5
2 changed files with 19 additions and 4 deletions
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@ -46,7 +46,20 @@ void EmitImageSampleExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unuse
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[[maybe_unused]] std::string_view coords,
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[[maybe_unused]] std::string_view lod_lc,
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[[maybe_unused]] const IR::Value& offset) {
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throw NotImplementedException("GLSL Instruction");
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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if (info.has_bias) {
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throw NotImplementedException("Bias texture samples");
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}
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if (info.has_lod_clamp) {
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throw NotImplementedException("Lod clamp samples");
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}
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const auto texture{Texture(ctx, info, index)};
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if (!offset.IsEmpty()) {
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ctx.AddF32x4("{}=textureLodOffset({},{},{},ivec2({}));", inst, texture, coords, lod_lc,
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ctx.reg_alloc.Consume(offset));
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} else {
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ctx.AddF32x4("{}=textureLod({},{},{});", inst, texture, coords, lod_lc);
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}
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}
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void EmitImageSampleDrefImplicitLod([[maybe_unused]] EmitContext& ctx,
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@ -81,13 +81,15 @@ void EmitWriteStorageS16([[maybe_unused]] EmitContext& ctx,
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void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
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std::string_view value) {
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ctx.Add("ssbo{}[{}]={};", binding.U32(), offset.U32(), value);
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const auto offset_var{ctx.reg_alloc.Consume(offset)};
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ctx.Add("ssbo{}[{}]={};", binding.U32(), offset_var, value);
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}
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void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
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std::string_view value) {
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ctx.Add("ssbo{}[{}]={}.x;", binding.U32(), offset.U32(), value);
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ctx.Add("ssbo{}[{}]={}.y;", binding.U32(), offset.U32() + 1, value);
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const auto offset_var{ctx.reg_alloc.Consume(offset)};
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ctx.Add("ssbo{}[{}]={}.x;", binding.U32(), offset_var, value);
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ctx.Add("ssbo{}[{}+1]={}.y;", binding.U32(), offset_var, value);
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}
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void EmitWriteStorage128([[maybe_unused]] EmitContext& ctx,
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