diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_wide_prims.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_wide_prims.c | 84 |
1 files changed, 9 insertions, 75 deletions
diff --git a/src/gallium/auxiliary/draw/draw_wide_prims.c b/src/gallium/auxiliary/draw/draw_wide_prims.c index 655774b155..d6bff110b4 100644 --- a/src/gallium/auxiliary/draw/draw_wide_prims.c +++ b/src/gallium/auxiliary/draw/draw_wide_prims.c @@ -162,70 +162,6 @@ static void wide_line( struct draw_stage *stage, /** - * Draw a wide line by drawing a quad, using geometry which will - * fullfill GL's antialiased line requirements. - */ -static void wide_line_aa(struct draw_stage *stage, - struct prim_header *header) -{ - const struct wide_stage *wide = wide_stage(stage); - const float half_width = wide->half_line_width; - struct prim_header tri; - struct vertex_header *v[4]; - float *pos; - float dx = header->v[1]->data[0][0] - header->v[0]->data[0][0]; - float dy = header->v[1]->data[0][1] - header->v[0]->data[0][1]; - const float len = (float) sqrt(dx * dx + dy * dy); - uint i; - - dx = dx * half_width / len; - dy = dy * half_width / len; - - /* allocate/dup new verts */ - for (i = 0; i < 4; i++) { - v[i] = dup_vert(stage, header->v[i/2], i); - } - - /* - * Quad for line from v0 to v1: - * - * 1 3 - * +-------------------------+ - * | | - * *v0 v1* - * | | - * +-------------------------+ - * 0 2 - */ - - pos = v[0]->data[0]; - pos[0] += dy; - pos[1] -= dx; - - pos = v[1]->data[0]; - pos[0] -= dy; - pos[1] += dx; - - pos = v[2]->data[0]; - pos[0] += dy; - pos[1] -= dx; - - pos = v[3]->data[0]; - pos[0] -= dy; - pos[1] += dx; - - tri.det = header->det; /* only the sign matters */ - - tri.v[0] = v[2]; tri.v[1] = v[1]; tri.v[2] = v[0]; - stage->next->tri( stage->next, &tri ); - - tri.v[0] = v[3]; tri.v[1] = v[1]; tri.v[2] = v[2]; - stage->next->tri( stage->next, &tri ); - -} - - -/** * Set the vertex texcoords for sprite mode. * Coords may be left untouched or set to a right-side-up or upside-down * orientation. @@ -283,8 +219,8 @@ static void wide_point( struct draw_stage *stage, half_size = wide->half_point_size; } - left_adj = -half_size + 0.25f; - right_adj = half_size + 0.25f; + left_adj = -half_size; /* + 0.25f;*/ + right_adj = half_size; /* + 0.25f;*/ pos0[0] += left_adj; pos0[1] -= half_size; @@ -330,7 +266,8 @@ static void wide_first_point( struct draw_stage *stage, wide->half_point_size = 0.5f * draw->rasterizer->point_size; - if (draw->rasterizer->point_size != 1.0) { + /* XXX we won't know the real size if it's computed by the vertex shader! */ + if (draw->rasterizer->point_size > draw->wide_point_threshold) { stage->point = wide_point; } else { @@ -341,8 +278,8 @@ static void wide_first_point( struct draw_stage *stage, /* find vertex shader texcoord outputs */ const struct draw_vertex_shader *vs = draw->vertex_shader; uint i, j = 0; - for (i = 0; i < vs->state->num_outputs; i++) { - if (vs->state->output_semantic_name[i] == TGSI_SEMANTIC_GENERIC) { + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_GENERIC) { wide->texcoord_slot[j] = i; wide->texcoord_mode[j] = draw->rasterizer->sprite_coord_mode[j]; j++; @@ -357,8 +294,8 @@ static void wide_first_point( struct draw_stage *stage, /* find PSIZ vertex output */ const struct draw_vertex_shader *vs = draw->vertex_shader; uint i; - for (i = 0; i < vs->state->num_outputs; i++) { - if (vs->state->output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { + for (i = 0; i < vs->info.num_outputs; i++) { + if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { wide->psize_slot = i; break; } @@ -379,10 +316,7 @@ static void wide_first_line( struct draw_stage *stage, wide->half_line_width = 0.5f * draw->rasterizer->line_width; if (draw->rasterizer->line_width != 1.0) { - if (draw->rasterizer->line_smooth) - wide->stage.line = wide_line_aa; - else - wide->stage.line = wide_line; + wide->stage.line = wide_line; } else { wide->stage.line = passthrough_line; |