diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm_surface_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index 054467c..c9d9614 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -101,6 +101,30 @@ brw_get_surface_num_multisamples(unsigned num_samples) return BRW_SURFACE_MULTISAMPLECOUNT_1; } +void +brw_configure_w_tiled(const struct intel_mipmap_tree *mt, + bool is_render_target, + unsigned *width, unsigned *height, + unsigned *pitch, uint32_t *tiling, unsigned *format) +{ + static const unsigned halign_stencil = 8; + + /* In Y-tiling row is twice as wide as in W-tiling, and subsequently + * there are half as many rows. + * In addition, mip-levels are accessed manually by the program and + * therefore the surface is setup to cover all the mip-levels for one slice. + * (Hardware is still used to access individual slices). + */ + *tiling = I915_TILING_Y; + *pitch = mt->pitch * 2; + *width = ALIGN(mt->total_width, halign_stencil) * 2; + *height = (mt->total_height / mt->physical_depth0) / 2; + + if (is_render_target) { + *format = BRW_SURFACEFORMAT_R8_UINT; + } +} + /** * Compute the combination of DEPTH_TEXTURE_MODE and EXT_texture_swizzle |