From 76587d2e5e3d580e71e38c8ee8904e9e83fd513e Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Sat, 20 Apr 2013 00:02:00 -0700 Subject: [PATCH] tgsi/scan: set correct input limits for geometry shader MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit TGSI geometry shader input declerations are of the IN[][2] format and the dimensions of the array have to be deduced from the input primitive property. Signed-off-by: Zack Rusin Reviewed-by: José Fonseca --- src/gallium/auxiliary/tgsi/tgsi_scan.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c index 373391d..bd79405 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c @@ -36,6 +36,7 @@ #include "util/u_debug.h" #include "util/u_math.h" +#include "util/u_prim.h" #include "tgsi/tgsi_parse.h" #include "tgsi/tgsi_util.h" #include "tgsi/tgsi_scan.h" @@ -261,6 +262,22 @@ tgsi_scan_shader(const struct tgsi_token *tokens, case TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS: info->color0_writes_all_cbufs = info->properties[i].data[0]; break; + case TGSI_PROPERTY_GS_INPUT_PRIM: + /* The dimensions of the IN decleration in geometry shader have + * to be deduced from the type of the input primitive. + */ + if (procType == TGSI_PROCESSOR_GEOMETRY) { + unsigned input_primitive = info->properties[i].data[0]; + int num_verts = u_vertices_per_prim(input_primitive); + unsigned j; + info->file_count[TGSI_FILE_INPUT] = num_verts; + info->file_max[TGSI_FILE_INPUT] = + MAX2(info->file_max[TGSI_FILE_INPUT], num_verts - 1); + for (j = 0; j < num_verts; ++j) { + info->file_mask[TGSI_FILE_INPUT] |= (1 << j); + } + } + break; default: ; } -- 2.7.4