diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c index 489423d7f12..4f85d2fda67 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c @@ -247,7 +247,14 @@ scan_declaration(struct tgsi_shader_info *info, info->input_interpolate[reg] = (ubyte)fulldecl->Interp.Interpolate; info->input_interpolate_loc[reg] = (ubyte)fulldecl->Interp.Location; info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap; - info->num_inputs++; + + /* Vertex shaders can have inputs with holes between them. */ + if (info->processor == TGSI_PROCESSOR_VERTEX) + info->num_inputs = MAX2(info->num_inputs, reg + 1); + else { + info->num_inputs++; + assert(reg < info->num_inputs); + } /* Only interpolated varyings. Don't include POSITION. * Don't include integer varyings, because they are not @@ -341,6 +348,7 @@ scan_declaration(struct tgsi_shader_info *info, info->output_semantic_name[reg] = (ubyte) semName; info->output_semantic_index[reg] = (ubyte) semIndex; info->num_outputs++; + assert(reg < info->num_outputs); if (semName == TGSI_SEMANTIC_COLOR) info->colors_written |= 1 << semIndex; |