diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_blorp_clear.cpp | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp index 3f096b513fa..1904bde1726 100644 --- a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp +++ b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp @@ -265,30 +265,17 @@ brw_blorp_clear_params::brw_blorp_clear_params(struct brw_context *brw, x_align *= 16; y_align *= 32; - if (brw->is_haswell) { - /* From BSpec: 3D-Media-GPGPU Engine > 3D Pipeline > Pixel > Pixel - * Backend > MCS Buffer for Render Target(s) [DevIVB+] > Table "Color - * Clear of Non-MultiSampled Render Target Restrictions": - * - * [IVB, VLVT, HSW]: Clear rectangle must be aligned to two times - * the number of pixels in the table shown below... x_align, - * y_align values computed above are the relevant entries in the - * referred table. - * - * We apply the workaround to only Haswell because (a) we suspect that - * is the only hardware where it is actually required and (b) we - * haven't yet validated the workaround for the other hardware. - */ - x0 = ROUND_DOWN_TO(x0, 2 * x_align); - y0 = ROUND_DOWN_TO(y0, 2 * y_align); - x1 = ALIGN(x1, 2 * x_align); - y1 = ALIGN(y1, 2 * y_align); - } else { - x0 = ROUND_DOWN_TO(x0, x_align); - y0 = ROUND_DOWN_TO(y0, y_align); - x1 = ALIGN(x1, x_align); - y1 = ALIGN(y1, y_align); - } + /* From BSpec: 3D-Media-GPGPU Engine > 3D Pipeline > Pixel > Pixel + * Backend > MCS Buffer for Render Target(s) [DevIVB+] > Table "Color + * Clear of Non-MultiSampled Render Target Restrictions": + * + * Clear rectangle must be aligned to two times the number of pixels in + * the table shown below due to 16x16 hashing across the slice. + */ + x0 = ROUND_DOWN_TO(x0, 2 * x_align); + y0 = ROUND_DOWN_TO(y0, 2 * y_align); + x1 = ALIGN(x1, 2 * x_align); + y1 = ALIGN(y1, 2 * y_align); /* From the Ivy Bridge PRM, Vol2 Part1 11.7 "MCS Buffer for Render * Target(s)", beneath the "Fast Color Clear" bullet (p327): |