diff options
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp | 170 |
1 files changed, 66 insertions, 104 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp index 711b568b1..5861c4d4c 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp @@ -33,144 +33,106 @@ std::string InputVertexIndex(EmitContext& ctx, std::string_view vertex) { std::string OutputVertexIndex(EmitContext& ctx) { return ctx.stage == Stage::TessellationControl ? "[gl_InvocationID]" : ""; } -} // Anonymous namespace -void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, - const IR::Value& offset) { - const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; - if (offset.IsImmediate()) { - ctx.AddU32("{}=bitfieldExtract(ftou({}[{}].{}),int({}),8);", inst, cbuf, offset.U32() / 16, - OffsetSwizzle(offset.U32()), (offset.U32() % 4) * 8); - return; - } +void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset, + u32 num_bits, std::string_view cast = {}, bool component_indexing_bug = false, + std::string_view bit_offset = {}) { + const bool is_immediate{offset.IsImmediate()}; const auto offset_var{ctx.var_alloc.Consume(offset)}; - if (!ctx.profile.has_gl_component_indexing_bug) { - ctx.AddU32("{}=bitfieldExtract(ftou({}[{}>>4][({}>>2)%4]),int(({}%4)*8),8);", inst, cbuf, - offset_var, offset_var, offset_var); + const auto index{is_immediate ? fmt::format("{}", offset.U32() / 16) + : fmt::format("{}>>4", offset_var)}; + const auto swizzle{is_immediate ? fmt::format(".{}", OffsetSwizzle(offset.U32())) + : fmt::format("[({}>>2)%4]", offset_var)}; + + const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; + const auto cbuf_cast{fmt::format("{}({}[{}]{{}})", cast, cbuf, index)}; + const auto extraction{num_bits == 32 ? cbuf_cast + : fmt ::format("bitfieldExtract({},int({}),{})", cbuf_cast, + bit_offset, num_bits)}; + if (!component_indexing_bug) { + const auto result{fmt::format(extraction, swizzle)}; + ctx.AddU32("{}={};", inst, result); return; } const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)}; const auto cbuf_offset{fmt::format("{}>>2", offset_var)}; - for (u32 swizzle = 0; swizzle < 4; ++swizzle) { - ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftou({}[{}>>4].{}),int(({}%4)*8),8);", - cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var); + for (u32 i = 0; i < 4; ++i) { + const auto swizzle_string{fmt::format(".{}", "xyzw"[i])}; + const auto result{fmt::format(extraction, swizzle_string)}; + ctx.Add("if(({}&3)=={}){}={};", cbuf_offset, i, ret, result); } } -void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, - const IR::Value& offset) { - const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; +void GetCbuf8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset, + std::string_view cast) { if (offset.IsImmediate()) { - ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}].{}),int({}),8);", inst, cbuf, offset.U32() / 16, - OffsetSwizzle(offset.U32()), (offset.U32() % 4) * 8); - return; - } - const auto offset_var{ctx.var_alloc.Consume(offset)}; - if (!ctx.profile.has_gl_component_indexing_bug) { - ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}>>4][({}>>2)%4]),int(({}%4)*8),8);", inst, cbuf, - offset_var, offset_var, offset_var); - return; + const auto bit_offset{fmt::format("{}", (offset.U32() % 4) * 8)}; + GetCbuf(ctx, inst, binding, offset, 8, cast, false, bit_offset); + } else { + const auto offset_var{ctx.var_alloc.Consume(offset)}; + const auto bit_offset{fmt::format("({}%4)*8", offset_var)}; + GetCbuf(ctx, inst, binding, offset, 8, cast, ctx.profile.has_gl_component_indexing_bug, + bit_offset); } - const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)}; - const auto cbuf_offset{fmt::format("{}>>2", offset_var)}; - for (u32 swizzle = 0; swizzle < 4; ++swizzle) { - ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftoi({}[{}>>4].{}),int(({}%4)*8),8);", - cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var); +} + +void GetCbuf16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset, + std::string_view cast) { + if (offset.IsImmediate()) { + const auto bit_offset{fmt::format("{}", ((offset.U32() / 2) % 2) * 16)}; + GetCbuf(ctx, inst, binding, offset, 16, cast, false, bit_offset); + } else { + const auto offset_var{ctx.var_alloc.Consume(offset)}; + const auto bit_offset{fmt::format("(({}>>1)%2)*16", offset_var)}; + GetCbuf(ctx, inst, binding, offset, 16, cast, ctx.profile.has_gl_component_indexing_bug, + bit_offset); } } +} // Anonymous namespace + +void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, + const IR::Value& offset) { + GetCbuf8(ctx, inst, binding, offset, "ftou"); +} + +void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, + const IR::Value& offset) { + GetCbuf8(ctx, inst, binding, offset, "ftoi"); +} void EmitGetCbufU16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset) { - const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; - if (offset.IsImmediate()) { - ctx.AddU32("{}=bitfieldExtract(ftou({}[{}].{}),int({}),16);", inst, cbuf, offset.U32() / 16, - OffsetSwizzle(offset.U32()), ((offset.U32() / 2) % 2) * 16); - return; - } - const auto offset_var{ctx.var_alloc.Consume(offset)}; - if (!ctx.profile.has_gl_component_indexing_bug) { - ctx.AddU32("{}=bitfieldExtract(ftou({}[{}>>4][({}>>2)%4]),int((({}>>1)%2)*16),16);", inst, - cbuf, offset_var, offset_var, offset_var); - return; - } - const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)}; - const auto cbuf_offset{fmt::format("{}>>2", offset_var)}; - for (u32 swizzle = 0; swizzle < 4; ++swizzle) { - ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftou({}[{}>>4].{}),int((({}>>1)%2)*16),16);", - cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var); - } + GetCbuf16(ctx, inst, binding, offset, "ftou"); } void EmitGetCbufS16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset) { - const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; - if (offset.IsImmediate()) { - ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}].{}),int({}),16);", inst, cbuf, offset.U32() / 16, - OffsetSwizzle(offset.U32()), ((offset.U32() / 2) % 2) * 16); - return; - } - const auto offset_var{ctx.var_alloc.Consume(offset)}; - if (!ctx.profile.has_gl_component_indexing_bug) { - ctx.AddU32("{}=bitfieldExtract(ftoi({}[{}>>4][({}>>2)%4]),int((({}>>1)%2)*16),16);", inst, - cbuf, offset_var, offset_var, offset_var); - return; - } - const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)}; - const auto cbuf_offset{fmt::format("{}>>2", offset_var)}; - for (u32 swizzle = 0; swizzle < 4; ++swizzle) { - ctx.Add("if(({}&3)=={}){}=bitfieldExtract(ftoi({}[{}>>4].{}),int((({}>>1)%2)*16),16);", - cbuf_offset, swizzle, ret, cbuf, offset_var, "xyzw"[swizzle], offset_var); - } + GetCbuf16(ctx, inst, binding, offset, "ftoi"); } void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset) { - const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; - if (offset.IsImmediate()) { - ctx.AddU32("{}=ftou({}[{}].{});", inst, cbuf, offset.U32() / 16, - OffsetSwizzle(offset.U32())); - return; - } - const auto offset_var{ctx.var_alloc.Consume(offset)}; - if (!ctx.profile.has_gl_component_indexing_bug) { - ctx.AddU32("{}=ftou({}[{}>>4][({}>>2)%4]);", inst, cbuf, offset_var, offset_var); - return; - } - const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32)}; - const auto cbuf_offset{fmt::format("{}>>2", offset_var)}; - for (u32 swizzle = 0; swizzle < 4; ++swizzle) { - ctx.Add("if(({}&3)=={}){}=ftou({}[{}>>4].{});", cbuf_offset, swizzle, ret, cbuf, offset_var, - "xyzw"[swizzle]); - } + GetCbuf(ctx, inst, binding, offset, 32, "ftou"); } void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset) { - const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; - if (offset.IsImmediate()) { - ctx.AddF32("{}={}[{}].{};", inst, cbuf, offset.U32() / 16, OffsetSwizzle(offset.U32())); - return; - } - const auto offset_var{ctx.var_alloc.Consume(offset)}; - if (!ctx.profile.has_gl_component_indexing_bug) { - ctx.AddF32("{}={}[{}>>4][({}>>2)%4];", inst, cbuf, offset_var, offset_var); - return; - } - const auto ret{ctx.var_alloc.Define(inst, GlslVarType::F32)}; - const auto cbuf_offset{fmt::format("{}>>2", offset_var)}; - for (u32 swizzle = 0; swizzle < 4; ++swizzle) { - ctx.Add("if(({}&3)=={}){}={}[{}>>4].{};", cbuf_offset, swizzle, ret, cbuf, offset_var, - "xyzw"[swizzle]); - } + GetCbuf(ctx, inst, binding, offset, 32); } void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const IR::Value& offset) { const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())}; if (offset.IsImmediate()) { - ctx.AddU32x2("{}=uvec2(ftou({}[{}].{}),ftou({}[{}].{}));", inst, cbuf, offset.U32() / 16, - OffsetSwizzle(offset.U32()), cbuf, (offset.U32() + 4) / 16, - OffsetSwizzle(offset.U32() + 4)); + const u32 u32_offset{offset.U32()}; + if (u32_offset % 2 == 0) { + ctx.AddU32x2("{}=ftou({}[{}].{}{});", inst, cbuf, u32_offset / 16, + OffsetSwizzle(u32_offset), OffsetSwizzle(u32_offset + 4)); + } else { + ctx.AddU32x2("{}=uvec2(ftou({}[{}].{}),ftou({}[{}].{}));", inst, cbuf, u32_offset / 16, + OffsetSwizzle(u32_offset), cbuf, (u32_offset + 4) / 16, + OffsetSwizzle(u32_offset + 4)); + } return; } const auto offset_var{ctx.var_alloc.Consume(offset)}; |