diff options
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pipe_flatshade.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_flatshade.c b/src/gallium/auxiliary/draw/draw_pipe_flatshade.c index 21a9c3b77f8..4741b22d023 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_flatshade.c +++ b/src/gallium/auxiliary/draw/draw_pipe_flatshade.c @@ -40,9 +40,19 @@ struct flat_stage struct draw_stage stage; uint num_color_attribs; - uint color_attribs[4]; /* front/back primary/secondary colors */ + uint color_attribs[2]; /* front/back primary colors */ + + uint num_spec_attribs; + uint spec_attribs[2]; /* front/back secondary colors */ }; +#define COPY_3FV( DST, SRC ) \ +do { \ + (DST)[0] = (SRC)[0]; \ + (DST)[1] = (SRC)[1]; \ + (DST)[2] = (SRC)[2]; \ +} while (0) + static INLINE struct flat_stage * flat_stage(struct draw_stage *stage) @@ -58,10 +68,16 @@ static INLINE void copy_colors( struct draw_stage *stage, { const struct flat_stage *flat = flat_stage(stage); uint i; + for (i = 0; i < flat->num_color_attribs; i++) { const uint attr = flat->color_attribs[i]; COPY_4FV(dst->data[attr], src->data[attr]); } + + for (i = 0; i < flat->num_spec_attribs; i++) { + const uint attr = flat->spec_attribs[i]; + COPY_3FV(dst->data[attr], src->data[attr]); + } } @@ -78,6 +94,12 @@ static INLINE void copy_colors2( struct draw_stage *stage, COPY_4FV(dst0->data[attr], src->data[attr]); COPY_4FV(dst1->data[attr], src->data[attr]); } + + for (i = 0; i < flat->num_spec_attribs; i++) { + const uint attr = flat->spec_attribs[i]; + COPY_3FV(dst0->data[attr], src->data[attr]); + COPY_3FV(dst1->data[attr], src->data[attr]); + } } @@ -164,10 +186,14 @@ static void flatshade_init_state( struct draw_stage *stage ) /* Find which vertex shader outputs are colors, make a list */ flat->num_color_attribs = 0; + flat->num_spec_attribs = 0; for (i = 0; i < vs->info.num_outputs; i++) { if (vs->info.output_semantic_name[i] == TGSI_SEMANTIC_COLOR || vs->info.output_semantic_name[i] == TGSI_SEMANTIC_BCOLOR) { - flat->color_attribs[flat->num_color_attribs++] = i; + if (vs->info.output_semantic_index[i] == 0) + flat->color_attribs[flat->num_color_attribs++] = i; + else + flat->spec_attribs[flat->num_spec_attribs++] = i; } } |