diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c index 0a8d730580a..7753f9bb3f6 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast.c +++ b/src/gallium/drivers/llvmpipe/lp_rast.c @@ -269,6 +269,23 @@ void lp_rast_load_color( struct lp_rasterizer *rast, } +static void +lp_tile_read_z32(uint32_t *tile, + const uint8_t *map, + unsigned map_stride, + unsigned x0, unsigned y0, unsigned w, unsigned h) +{ + unsigned x, y; + const uint8_t *map_row = map + y0*map_stride; + for (y = 0; y < h; ++y) { + const uint32_t *map_pixel = (uint32_t *)(map_row + x0*4); + for (x = 0; x < w; ++x) { + *tile++ = *map_pixel++; + } + map_row += map_stride; + } +} + /** * Load tile z/stencil from the framebuffer surface. * This is a bin command called during bin processing. @@ -277,9 +294,24 @@ void lp_rast_load_zstencil( struct lp_rasterizer *rast, unsigned thread_index, const union lp_rast_cmd_arg arg ) { - LP_DBG(DEBUG_RAST, "%s\n", __FUNCTION__); + const unsigned x = rast->tasks[thread_index].x; + const unsigned y = rast->tasks[thread_index].y; + unsigned w = TILE_SIZE; + unsigned h = TILE_SIZE; + + if (x + w > rast->state.fb.width) + w -= x + w - rast->state.fb.width; - /* call u_tile func to load depth (and stencil?) from surface */ + if (y + h > rast->state.fb.height) + h -= y + h - rast->state.fb.height; + + LP_DBG(DEBUG_RAST, "%s %d,%d %dx%d\n", __FUNCTION__, x, y, w, h); + + assert(rast->zsbuf_transfer->texture->format == PIPE_FORMAT_Z32_UNORM); + lp_tile_read_z32(rast->tasks[thread_index].tile.depth, + rast->zsbuf_map, + rast->zsbuf_transfer->stride, + x, y, w, h); } |