diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_blorp_clear.cpp | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp index 02ec2737ac3..3f096b513fa 100644 --- a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp +++ b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp @@ -265,13 +265,19 @@ brw_blorp_clear_params::brw_blorp_clear_params(struct brw_context *brw, x_align *= 16; y_align *= 32; - if (brw->is_haswell && brw->gt == 3) { + if (brw->is_haswell) { /* From BSpec: 3D-Media-GPGPU Engine > 3D Pipeline > Pixel > Pixel - * Backend > MCS Buffer for Render Target(s) [DevIVB+]: - * [DevHSW:GT3]: 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. + * 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); |