diff options
Diffstat (limited to 'src/shader_recompiler/backend')
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp | 16 |
1 files changed, 16 insertions, 0 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 5861c4d4c..8223ad862 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 @@ -38,6 +38,15 @@ void GetCbuf(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const I u32 num_bits, std::string_view cast = {}, bool component_indexing_bug = false, std::string_view bit_offset = {}) { const bool is_immediate{offset.IsImmediate()}; + if (is_immediate) { + const s32 signed_offset{static_cast<s32>(offset.U32())}; + static constexpr u32 cbuf_size{4096 * 16}; + if (signed_offset < 0 || offset.U32() > cbuf_size) { + // LOG_WARNING(..., "Immediate constant buffer offset is out of bounds"); + ctx.AddU32("{}=0u;", inst); + return; + } + } const auto offset_var{ctx.var_alloc.Consume(offset)}; const auto index{is_immediate ? fmt::format("{}", offset.U32() / 16) : fmt::format("{}>>4", offset_var)}; @@ -124,7 +133,14 @@ 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()) { + static constexpr u32 cbuf_size{4096 * 16}; const u32 u32_offset{offset.U32()}; + const s32 signed_offset{static_cast<s32>(offset.U32())}; + if (signed_offset < 0 || u32_offset > cbuf_size) { + // LOG_WARNING(..., "Immediate constant buffer offset is out of bounds"); + ctx.AddU32x2("{}=uvec2(0u);", inst); + return; + } if (u32_offset % 2 == 0) { ctx.AddU32x2("{}=ftou({}[{}].{}{});", inst, cbuf, u32_offset / 16, OffsetSwizzle(u32_offset), OffsetSwizzle(u32_offset + 4)); |