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glsl: Cleanup texture functions

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This commit is contained in:
ameerj 2021-05-29 14:10:24 -04:00
parent c9a25855bc
commit 59a692e9ed
1 changed files with 11 additions and 13 deletions
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24
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
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@ -26,8 +26,8 @@ std::string CastToIntVec(std::string_view value, const IR::TextureInstInfo& info
return fmt::format("int({})", value);
case TextureType::ColorArray1D:
case TextureType::Color2D:
return fmt::format("ivec2({})", value);
case TextureType::ColorArray2D:
return fmt::format("ivec2({})", value);
case TextureType::Color3D:
case TextureType::ColorCube:
return fmt::format("ivec3({})", value);
@ -65,7 +65,11 @@ void EmitImageSampleImplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unuse
ctx.Add("{}=textureOffset({},{},{}{});", texel, texture, coords,
CastToIntVec(ctx.reg_alloc.Consume(offset), info), bias);
} else {
ctx.Add("{}=texture({},{}{});", texel, texture, coords, bias);
if (ctx.stage == Stage::Fragment) {
ctx.Add("{}=texture({},{}{});", texel, texture, coords, bias);
} else {
ctx.Add("{}=textureLod({},{},0.0);", texel, texture, coords);
}
}
return;
}
@ -104,6 +108,7 @@ void EmitImageSampleExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unuse
}
return;
}
// TODO: Query sparseTexels extension support
if (!offset.IsEmpty()) {
ctx.AddU1("{}=sparseTexelsResidentARB(sparseTexelFetchOffsetARB({},{},int({}),{},{}));",
*sparse_inst, texture, CastToIntVec(coords, info), lod_lc,
@ -121,17 +126,7 @@ 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) {
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);
throw NotImplementedException("GLSL Instruction");
}
void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
@ -148,6 +143,9 @@ void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx,
if (info.has_lod_clamp) {
throw NotImplementedException("Lod clamp samples");
}
if (!offset.IsEmpty()) {
throw NotImplementedException("textureLodOffset");
}
const auto texture{Texture(ctx, info, index)};
if (info.type == TextureType::ColorArrayCube) {
ctx.AddF32("{}=textureLod({},{},{},{});", inst, texture, coords, dref, lod_lc);