glsl: Cleanup texture functions
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c9a25855bc
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@ -26,8 +26,8 @@ std::string CastToIntVec(std::string_view value, const IR::TextureInstInfo& info
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return fmt::format("int({})", value);
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case TextureType::ColorArray1D:
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case TextureType::Color2D:
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return fmt::format("ivec2({})", value);
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case TextureType::ColorArray2D:
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return fmt::format("ivec2({})", value);
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case TextureType::Color3D:
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case TextureType::ColorCube:
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return fmt::format("ivec3({})", value);
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@ -65,7 +65,11 @@ void EmitImageSampleImplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unuse
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ctx.Add("{}=textureOffset({},{},{}{});", texel, texture, coords,
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CastToIntVec(ctx.reg_alloc.Consume(offset), info), bias);
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} else {
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ctx.Add("{}=texture({},{}{});", texel, texture, coords, bias);
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if (ctx.stage == Stage::Fragment) {
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ctx.Add("{}=texture({},{}{});", texel, texture, coords, bias);
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} else {
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ctx.Add("{}=textureLod({},{},0.0);", texel, texture, coords);
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}
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}
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return;
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}
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@ -104,6 +108,7 @@ void EmitImageSampleExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unuse
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}
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return;
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}
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// TODO: Query sparseTexels extension support
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if (!offset.IsEmpty()) {
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ctx.AddU1("{}=sparseTexelsResidentARB(sparseTexelFetchOffsetARB({},{},int({}),{},{}));",
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*sparse_inst, texture, CastToIntVec(coords, info), lod_lc,
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@ -121,17 +126,7 @@ void EmitImageSampleDrefImplicitLod([[maybe_unused]] EmitContext& ctx,
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[[maybe_unused]] std::string_view dref,
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[[maybe_unused]] std::string_view bias_lc,
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[[maybe_unused]] const IR::Value& offset) {
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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 bias{info.has_bias ? fmt::format(",{}", bias_lc) : ""};
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const auto texture{Texture(ctx, info, index)};
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const auto vec_cast{info.type == TextureType::ColorArrayCube ? "vec4" : "vec3"};
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ctx.AddF32("{}=texture({},{}({},{}){});", inst, texture, vec_cast, dref, coords, bias);
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throw NotImplementedException("GLSL Instruction");
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}
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void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
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@ -148,6 +143,9 @@ void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
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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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if (!offset.IsEmpty()) {
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throw NotImplementedException("textureLodOffset");
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}
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const auto texture{Texture(ctx, info, index)};
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if (info.type == TextureType::ColorArrayCube) {
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ctx.AddF32("{}=textureLod({},{},{},{});", inst, texture, coords, dref, lod_lc);
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