diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_debug.h | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast.c | 60 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_screen.c | 2 |
3 files changed, 65 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_debug.h b/src/gallium/drivers/llvmpipe/lp_debug.h index 74b2757494..7128e8eb4b 100644 --- a/src/gallium/drivers/llvmpipe/lp_debug.h +++ b/src/gallium/drivers/llvmpipe/lp_debug.h @@ -45,6 +45,9 @@ st_print_current(void); #define DEBUG_QUERY 0x40 #define DEBUG_SCREEN 0x80 #define DEBUG_JIT 0x100 +#define DEBUG_SHOW_TILES 0x200 +#define DEBUG_SHOW_SUBTILES 0x400 + #ifdef DEBUG extern int LP_DEBUG; diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c index 2e2ebee45d..440bb32235 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast.c +++ b/src/gallium/drivers/llvmpipe/lp_rast.c @@ -461,6 +461,61 @@ void lp_rast_shade_quads( struct lp_rasterizer *rast, } +#ifdef DEBUG +/** + * Set top row and left column of the tile's pixels to white. For debugging. + */ +static void +outline_tile(uint8_t *tile) +{ + const uint8_t val = 0xff; + unsigned i; + + for (i = 0; i < TILE_SIZE; i++) { + TILE_PIXEL(tile, i, 0, 0) = val; + TILE_PIXEL(tile, i, 0, 1) = val; + TILE_PIXEL(tile, i, 0, 2) = val; + TILE_PIXEL(tile, i, 0, 3) = val; + + TILE_PIXEL(tile, 0, i, 0) = val; + TILE_PIXEL(tile, 0, i, 1) = val; + TILE_PIXEL(tile, 0, i, 2) = val; + TILE_PIXEL(tile, 0, i, 3) = val; + } +} +#endif /* DEBUG */ + + +#ifdef DEBUG +/** + * Draw grid of gray lines at 16-pixel intervals across the tile to + * show the sub-tile boundaries. For debugging. + */ +static void +outline_subtiles(uint8_t *tile) +{ + const uint8_t val = 0x80; + const unsigned step = 16; + unsigned i, j; + + for (i = 0; i < TILE_SIZE; i += 16) { + for (j = 0; j < TILE_SIZE; j++) { + TILE_PIXEL(tile, i, j, 0) = val; + TILE_PIXEL(tile, i, j, 1) = val; + TILE_PIXEL(tile, i, j, 2) = val; + TILE_PIXEL(tile, i, j, 3) = val; + + TILE_PIXEL(tile, j, i, 0) = val; + TILE_PIXEL(tile, j, i, 1) = val; + TILE_PIXEL(tile, j, i, 2) = val; + TILE_PIXEL(tile, j, i, 3) = val; + } + } + + outline_tile(tile); +} +#endif /* DEBUG */ + /** @@ -500,6 +555,11 @@ static void lp_rast_store_color( struct lp_rasterizer *rast, LP_DBG(DEBUG_RAST, "%s [%u] %d,%d %dx%d\n", __FUNCTION__, thread_index, x, y, w, h); + if (LP_DEBUG & DEBUG_SHOW_SUBTILES) + outline_subtiles(rast->tasks[thread_index].tile.color[i]); + else if (LP_DEBUG & DEBUG_SHOW_TILES) + outline_tile(rast->tasks[thread_index].tile.color[i]); + lp_tile_write_4ub(transfer->texture->format, rast->tasks[thread_index].tile.color[i], rast->cbuf_map[i], diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c index a28f6935b6..72f2e8ebf8 100644 --- a/src/gallium/drivers/llvmpipe/lp_screen.c +++ b/src/gallium/drivers/llvmpipe/lp_screen.c @@ -52,6 +52,8 @@ static const struct debug_named_value lp_debug_flags[] = { { "query", DEBUG_QUERY }, { "screen", DEBUG_SCREEN }, { "jit", DEBUG_JIT }, + { "show_tiles", DEBUG_SHOW_TILES }, + { "show_subtiles", DEBUG_SHOW_SUBTILES }, {NULL, 0} }; #endif |