diff options
Diffstat (limited to 'src/gallium/auxiliary/draw')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pipe_clip.c | 89 |
1 files changed, 54 insertions, 35 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_clip.c b/src/gallium/auxiliary/draw/draw_pipe_clip.c index e83586eedf2..b76e9a501ac 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_clip.c +++ b/src/gallium/auxiliary/draw/draw_pipe_clip.c @@ -136,7 +136,7 @@ static void interp( const struct clip_stage *clip, const struct vertex_header *in, unsigned viewport_index ) { - const unsigned nr_attrs = draw_current_shader_outputs(clip->stage.draw); + const unsigned nr_attrs = draw_num_shader_outputs(clip->stage.draw); const unsigned pos_attr = draw_current_shader_position_output(clip->stage.draw); const unsigned clip_attr = draw_current_shader_clipvertex_output(clip->stage.draw); unsigned j; @@ -264,7 +264,6 @@ static void emit_poly( struct draw_stage *stage, header.flags |= edge_last; if (DEBUG_CLIP) { - const struct draw_vertex_shader *vs = stage->draw->vs.vertex_shader; uint j, k; debug_printf("Clipped tri: (flat-shade-first = %d)\n", stage->draw->rasterizer->flatshade_first); @@ -274,7 +273,7 @@ static void emit_poly( struct draw_stage *stage, header.v[j]->clip[1], header.v[j]->clip[2], header.v[j]->clip[3]); - for (k = 0; k < vs->info.num_outputs; k++) { + for (k = 0; k < draw_num_shader_outputs(stage->draw); k++) { debug_printf(" Vert %d: Attr %d: %f %f %f %f\n", j, k, header.v[j]->data[k][0], header.v[j]->data[k][1], @@ -283,7 +282,6 @@ static void emit_poly( struct draw_stage *stage, } } } - stage->next->tri( stage->next, &header ); } } @@ -609,6 +607,35 @@ clip_tri( struct draw_stage *stage, } +static int +find_interp(const struct draw_fragment_shader *fs, int *indexed_interp, + uint semantic_name, uint semantic_index) +{ + int interp; + /* If it's gl_{Front,Back}{,Secondary}Color, pick up the mode + * from the array we've filled before. */ + if (semantic_name == TGSI_SEMANTIC_COLOR || + semantic_name == TGSI_SEMANTIC_BCOLOR) { + interp = indexed_interp[semantic_index]; + } else { + /* Otherwise, search in the FS inputs, with a decent default + * if we don't find it. + */ + uint j; + interp = TGSI_INTERPOLATE_PERSPECTIVE; + if (fs) { + for (j = 0; j < fs->info.num_inputs; j++) { + if (semantic_name == fs->info.input_semantic_name[j] && + semantic_index == fs->info.input_semantic_index[j]) { + interp = fs->info.input_interpolate[j]; + break; + } + } + } + } + return interp; +} + /* Update state. Could further delay this until we hit the first * primitive that really requires clipping. */ @@ -616,11 +643,9 @@ static void clip_init_state( struct draw_stage *stage ) { struct clip_stage *clipper = clip_stage( stage ); - const struct draw_vertex_shader *vs = stage->draw->vs.vertex_shader; - const struct draw_geometry_shader *gs = stage->draw->gs.geometry_shader; const struct draw_fragment_shader *fs = stage->draw->fs.fragment_shader; - uint i; - const struct tgsi_shader_info *vs_info = gs ? &gs->info : &vs->info; + uint i, j; + const struct tgsi_shader_info *info = draw_get_shader_info(stage->draw); /* We need to know for each attribute what kind of interpolation is * done on it (flat, smooth or noperspective). But the information @@ -663,42 +688,36 @@ clip_init_state( struct draw_stage *stage ) clipper->num_flat_attribs = 0; memset(clipper->noperspective_attribs, 0, sizeof(clipper->noperspective_attribs)); - for (i = 0; i < vs_info->num_outputs; i++) { - /* Find the interpolation mode for a specific attribute - */ - int interp; - - /* If it's gl_{Front,Back}{,Secondary}Color, pick up the mode - * from the array we've filled before. */ - if (vs_info->output_semantic_name[i] == TGSI_SEMANTIC_COLOR || - vs_info->output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { - interp = indexed_interp[vs_info->output_semantic_index[i]]; - } else { - /* Otherwise, search in the FS inputs, with a decent default - * if we don't find it. - */ - uint j; - interp = TGSI_INTERPOLATE_PERSPECTIVE; - 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; - } - } - } - } - + for (i = 0; i < info->num_outputs; i++) { + /* Find the interpolation mode for a specific attribute */ + int interp = find_interp(fs, indexed_interp, + info->output_semantic_name[i], + info->output_semantic_index[i]); /* If it's flat, add it to the flat vector. Otherwise update * the noperspective mask. */ + if (interp == TGSI_INTERPOLATE_CONSTANT) { clipper->flat_attribs[clipper->num_flat_attribs] = i; clipper->num_flat_attribs++; } else clipper->noperspective_attribs[i] = interp == TGSI_INTERPOLATE_LINEAR; } + /* Search the extra vertex attributes */ + for (j = 0; j < stage->draw->extra_shader_outputs.num; j++) { + /* Find the interpolation mode for a specific attribute */ + int interp = find_interp(fs, indexed_interp, + stage->draw->extra_shader_outputs.semantic_name[j], + stage->draw->extra_shader_outputs.semantic_index[j]); + /* If it's flat, add it to the flat vector. Otherwise update + * the noperspective mask. + */ + if (interp == TGSI_INTERPOLATE_CONSTANT) { + clipper->flat_attribs[clipper->num_flat_attribs] = i + j; + clipper->num_flat_attribs++; + } else + clipper->noperspective_attribs[i + j] = interp == TGSI_INTERPOLATE_LINEAR; + } stage->tri = clip_tri; stage->line = clip_line; |