diff options
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_image.cpp | 56 |
1 files changed, 55 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 d721b018b..78e2d5bac 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_image.cpp @@ -38,6 +38,24 @@ std::string CastToIntVec(std::string_view value, const IR::TextureInstInfo& info } } +std::string TexelFetchCastToInt(std::string_view value, const IR::TextureInstInfo& info) { + switch (info.type) { + case TextureType::Color1D: + return fmt::format("int({})", value); + case TextureType::ColorArray1D: + case TextureType::Color2D: + return fmt::format("ivec2({})", value); + case TextureType::ColorArray2D: + case TextureType::Color3D: + case TextureType::ColorCube: + return fmt::format("ivec3({})", value); + case TextureType::ColorArrayCube: + return fmt::format("ivec4({})", value); + default: + throw NotImplementedException("Offset type {}", info.type.Value()); + } +} + std::string ShadowSamplerVecCast(TextureType type) { switch (type) { case TextureType::ColorArray2D: @@ -138,6 +156,10 @@ void EmitImageSampleDrefImplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view bias_lc, [[maybe_unused]] const IR::Value& offset) { const auto info{inst.Flags<IR::TextureInstInfo>()}; + const auto sparse_inst{PrepareSparse(inst)}; + if (sparse_inst) { + throw NotImplementedException("Sparse texture samples"); + } if (info.has_bias) { throw NotImplementedException("Bias texture samples"); } @@ -165,6 +187,10 @@ void EmitImageSampleDrefExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lod_lc, [[maybe_unused]] const IR::Value& offset) { const auto info{inst.Flags<IR::TextureInstInfo>()}; + const auto sparse_inst{PrepareSparse(inst)}; + if (sparse_inst) { + throw NotImplementedException("Sparse texture samples"); + } if (info.has_bias) { throw NotImplementedException("Bias texture samples"); } @@ -204,7 +230,35 @@ void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst [[maybe_unused]] std::string_view coords, [[maybe_unused]] std::string_view offset, [[maybe_unused]] std::string_view lod, [[maybe_unused]] std::string_view ms) { - 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)}; + const auto sparse_inst{PrepareSparse(inst)}; + const auto texel{ctx.reg_alloc.Define(inst, Type::F32x4)}; + if (!sparse_inst) { + if (!offset.empty()) { + ctx.Add("{}=texelFetchOffset({},{},int({}),{});", texel, texture, + TexelFetchCastToInt(coords, info), lod, TexelFetchCastToInt(offset, info)); + } else { + ctx.Add("{}=texelFetch({},{},int({}));", texel, texture, + TexelFetchCastToInt(coords, info), lod); + } + return; + } + // TODO: Query sparseTexels extension support + if (!offset.empty()) { + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTexelFetchOffsetARB({},{},int({}),{},{}));", + *sparse_inst, texture, CastToIntVec(coords, info), lod, + CastToIntVec(offset, info), texel); + } else { + ctx.AddU1("{}=sparseTexelsResidentARB(sparseTexelFetchARB({},{},{},{}));", *sparse_inst, + texture, CastToIntVec(coords, info), lod, texel); + } } void EmitImageQueryDimensions([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, |