diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_rast.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c index d7e6415e139..790d88a7450 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast.c +++ b/src/gallium/drivers/llvmpipe/lp_rast.c @@ -211,8 +211,8 @@ lp_rast_clear_zstencil(struct lp_rasterizer_task *task, const union lp_rast_cmd_arg arg) { const struct lp_scene *scene = task->scene; - unsigned clear_value = arg.clear_zstencil.value; - unsigned clear_mask = arg.clear_zstencil.mask; + uint32_t clear_value = arg.clear_zstencil.value; + uint32_t clear_mask = arg.clear_zstencil.mask; const unsigned height = TILE_SIZE / TILE_VECTOR_HEIGHT; const unsigned width = TILE_SIZE * TILE_VECTOR_HEIGHT; const unsigned block_size = scene->zsbuf.blocksize; @@ -220,7 +220,8 @@ lp_rast_clear_zstencil(struct lp_rasterizer_task *task, uint8_t *dst; unsigned i, j; - LP_DBG(DEBUG_RAST, "%s 0x%x%x\n", __FUNCTION__, clear_value, clear_mask); + LP_DBG(DEBUG_RAST, "%s: value=0x%08x, mask=0x%08x\n", + __FUNCTION__, clear_value, clear_mask); /* * Clear the aera of the swizzled depth/depth buffer matching this tile, in @@ -232,16 +233,31 @@ lp_rast_clear_zstencil(struct lp_rasterizer_task *task, dst = task->depth_tile; + clear_value &= clear_mask; + switch (block_size) { case 1: + assert(clear_mask == 0xff); memset(dst, (uint8_t) clear_value, height * width); break; case 2: - for (i = 0; i < height; i++) { - uint16_t *row = (uint16_t *)dst; - for (j = 0; j < width; j++) - *row++ = (uint16_t) clear_value; - dst += dst_stride; + if (clear_mask == 0xffff) { + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst; + for (j = 0; j < width; j++) + *row++ = (uint16_t) clear_value; + dst += dst_stride; + } + } + else { + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst; + for (j = 0; j < width; j++) { + uint16_t tmp = ~clear_mask & *row; + *row++ = clear_value | tmp; + } + dst += dst_stride; + } } break; case 4: @@ -258,7 +274,7 @@ lp_rast_clear_zstencil(struct lp_rasterizer_task *task, uint32_t *row = (uint32_t *)dst; for (j = 0; j < width; j++) { uint32_t tmp = ~clear_mask & *row; - *row++ = (clear_value & clear_mask) | tmp; + *row++ = clear_value | tmp; } dst += dst_stride; } |