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glsl: Implement TEX depth functions

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This commit is contained in:
ameerj 2021-05-29 01:53:32 -04:00
parent b055e4a91e
commit 08935e289f
2 changed files with 46 additions and 4 deletions
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26
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
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@ -120,7 +120,17 @@ void EmitImageSampleDrefImplicitLod([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view dref,
[[maybe_unused]] std::string_view bias_lc,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL Instruction");
const auto info{inst.Flags<IR::TextureInstInfo>()};
if (info.has_bias) {
throw NotImplementedException("Bias texture samples");
}
if (info.has_lod_clamp) {
throw NotImplementedException("Lod clamp samples");
}
const auto bias{info.has_bias ? fmt::format(",{}", bias_lc) : ""};
const auto texture{Texture(ctx, info, index)};
const auto vec_cast{info.type == TextureType::ColorArrayCube ? "vec4" : "vec3"};
ctx.AddF32("{}=texture({},{}({},{}){});", inst, texture, vec_cast, dref, coords, bias);
}
void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
@ -130,7 +140,19 @@ void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view dref,
[[maybe_unused]] std::string_view lod_lc,
[[maybe_unused]] const IR::Value& offset) {
throw NotImplementedException("GLSL Instruction");
const auto info{inst.Flags<IR::TextureInstInfo>()};
if (info.has_bias) {
throw NotImplementedException("Bias texture samples");
}
if (info.has_lod_clamp) {
throw NotImplementedException("Lod clamp samples");
}
const auto texture{Texture(ctx, info, index)};
if (info.type == TextureType::ColorArrayCube) {
ctx.AddF32("{}=textureLod({},{},{},{});", inst, texture, coords, dref, lod_lc);
} else {
ctx.AddF32("{}=textureLod({},vec3({},{}),{});", inst, texture, coords, dref, lod_lc);
}
}
void EmitImageGather([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,