diff options
| author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-05-29 14:21:25 -0400 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:36 -0400 |
| commit | e4ba75570570007d4c85d6d28a4f890ce58b02e8 (patch) | |
| tree | b2bd90a52c44befb6f7ec6443ab483fb4cfe668c /src/shader_recompiler/backend/glsl/emit_glsl_image.cpp | |
| parent | 59a692e9edf385d56f84f38006cf15fff4372d6b (diff) | |
glsl: Implement TEXS
Diffstat (limited to 'src/shader_recompiler/backend/glsl/emit_glsl_image.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_image.cpp | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp index 68701ee52f..d721b018b5 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp @@ -38,6 +38,17 @@ std::string CastToIntVec(std::string_view value, const IR::TextureInstInfo& info } } +std::string ShadowSamplerVecCast(TextureType type) { + switch (type) { + case TextureType::ColorArray2D: + case TextureType::ColorCube: + case TextureType::ColorArrayCube: + return "vec4"; + default: + return "vec3"; + } +} + IR::Inst* PrepareSparse(IR::Inst& inst) { const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)}; if (sparse_inst) { @@ -126,7 +137,24 @@ 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"); + } + if (!offset.IsEmpty()) { + throw NotImplementedException("textureLodOffset"); + } + const auto texture{Texture(ctx, info, index)}; + const auto bias{info.has_bias ? fmt::format(",{}", bias_lc) : ""}; + const auto cast{ShadowSamplerVecCast(info.type)}; + if (ctx.stage == Stage::Fragment) { + ctx.AddF32("{}=texture({},{}({},{}){});", inst, texture, cast, coords, dref, bias); + } else { + ctx.AddF32("{}=textureLod({},{}({},{}),0.0);", inst, texture, cast, coords, dref); + } } void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx, |