diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index a170d525ecf..babd171cbdb 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -2730,6 +2730,15 @@ static void si_set_framebuffer_state(struct pipe_context *ctx, bool unbound = false; int i; + /* Reject zero-sized framebuffers due to a hw bug on SI that occurs + * when PA_SU_HARDWARE_SCREEN_OFFSET != 0 and any_scissor.BR_X/Y <= 0. + * We could implement the full workaround here, but it's a useless case. + */ + if ((!state->width || !state->height) && (state->nr_cbufs || state->zsbuf)) { + unreachable("the framebuffer shouldn't have zero area"); + return; + } + si_update_fb_dirtiness_after_rendering(sctx); for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) { @@ -4879,8 +4888,6 @@ static void si_init_config(struct si_context *sctx) S_028230_ER_LINE_RL(0x26) | S_028230_ER_LINE_TB(0xA) | S_028230_ER_LINE_BT(0xA)); - /* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on SI */ - si_pm4_set_reg(pm4, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET, 0); si_pm4_set_reg(pm4, R_028820_PA_CL_NANINF_CNTL, 0); si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0); si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0); |