diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_texture.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_texture.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c index 0925333236a..111183eb0a0 100644 --- a/src/gallium/drivers/r600/r600_texture.c +++ b/src/gallium/drivers/r600/r600_texture.c @@ -438,6 +438,44 @@ r600_texture_create_object(struct pipe_screen *screen, /* Tiled depth textures utilize the non-displayable tile order. */ rtex->non_disp_tiling = rtex->is_depth && rtex->surface.level[0].mode >= RADEON_SURF_MODE_1D; + /* only enable hyperz for PIPE_TEXTURE_2D not for PIPE_TEXTURE_2D_ARRAY + * Thought it might still be interessting to use hyperz for texture + * array without using fast clear features + */ + rtex->htile = NULL; + if (!(base->flags & (R600_RESOURCE_FLAG_TRANSFER | R600_RESOURCE_FLAG_FLUSHED_DEPTH)) && + util_format_is_depth_or_stencil(base->format) && + rscreen->use_hyperz && + base->target == PIPE_TEXTURE_2D && + rtex->surface.level[0].nblk_x >= 32 && + rtex->surface.level[0].nblk_y >= 32) { + unsigned sw = rtex->surface.level[0].nblk_x * rtex->surface.blk_w; + unsigned sh = rtex->surface.level[0].nblk_y * rtex->surface.blk_h; + unsigned htile_size; + unsigned npipes = rscreen->info.r600_num_tile_pipes; + + /* this alignment and htile size only apply to linear htile buffer */ + sw = align(sw, 16 << 3); + sh = align(sh, npipes << 3); + htile_size = (sw >> 3) * (sh >> 3) * 4; + /* must be aligned with 2K * npipes */ + htile_size = align(htile_size, (2 << 10) * npipes); + + rtex->htile = (struct r600_resource*)pipe_buffer_create(&rscreen->screen, PIPE_BIND_CUSTOM, + PIPE_USAGE_STATIC, htile_size); + if (rtex->htile == NULL) { + /* this is not a fatal error as we can still keep rendering + * without htile buffer + */ + R600_ERR("r600: failed to create bo for htile buffers\n"); + } else { + void *ptr; + ptr = rscreen->ws->buffer_map(rtex->htile->cs_buf, NULL, PIPE_TRANSFER_WRITE); + memset(ptr, 0x0, htile_size); + rscreen->ws->buffer_unmap(rtex->htile->cs_buf); + } + } + /* Now create the backing buffer. */ if (!buf && alloc_bo) { unsigned base_align = rtex->surface.bo_alignment; |