From b8068afafacc3071cacfbaf71f176a2943341382 Mon Sep 17 00:00:00 2001 From: Olivier Galibert Date: Thu, 21 Jun 2012 19:39:20 +0200 Subject: [PATCH] draw: Handle the case when there isn't a fragment shader. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Olivier Galibert Signed-off-by: José Fonseca --- src/gallium/auxiliary/draw/draw_pipe_clip.c | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/src/gallium/auxiliary/draw/draw_pipe_clip.c b/src/gallium/auxiliary/draw/draw_pipe_clip.c index 2d36eb3..c02d0ef 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_clip.c +++ b/src/gallium/auxiliary/draw/draw_pipe_clip.c @@ -586,6 +586,9 @@ clip_init_state( struct draw_stage *stage ) * two outputs for one input, so we tuck the information in a * specific array. Second if they don't have qualifiers, the * default value has to be picked from the global shade mode. + * + * Of course, if we don't have a fragment shader in the first + * place, defaults should be used. */ /* First pick up the interpolation mode for @@ -595,10 +598,12 @@ clip_init_state( struct draw_stage *stage ) indexed_interp[0] = indexed_interp[1] = stage->draw->rasterizer->flatshade ? TGSI_INTERPOLATE_CONSTANT : TGSI_INTERPOLATE_PERSPECTIVE; - for (i = 0; i < fs->info.num_inputs; i++) { - if (fs->info.input_semantic_name[i] == TGSI_SEMANTIC_COLOR) { - if (fs->info.input_interpolate[i] != TGSI_INTERPOLATE_COLOR) - indexed_interp[fs->info.input_semantic_index[i]] = fs->info.input_interpolate[i]; + if (fs) { + for (i = 0; i < fs->info.num_inputs; i++) { + if (fs->info.input_semantic_name[i] == TGSI_SEMANTIC_COLOR) { + if (fs->info.input_interpolate[i] != TGSI_INTERPOLATE_COLOR) + indexed_interp[fs->info.input_semantic_index[i]] = fs->info.input_interpolate[i]; + } } } @@ -627,12 +632,14 @@ clip_init_state( struct draw_stage *stage ) */ uint j; interp = TGSI_INTERPOLATE_PERSPECTIVE; - for (j = 0; j < fs->info.num_inputs; j++) { - if (vs->info.output_semantic_name[i] == fs->info.input_semantic_name[j] && - vs->info.output_semantic_index[i] == fs->info.input_semantic_index[j]) { - interp = fs->info.input_interpolate[j]; - break; - } + if (fs) { + for (j = 0; j < fs->info.num_inputs; j++) { + if (vs->info.output_semantic_name[i] == fs->info.input_semantic_name[j] && + vs->info.output_semantic_index[i] == fs->info.input_semantic_index[j]) { + interp = fs->info.input_interpolate[j]; + break; + } + } } } -- 2.7.4