diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/freedreno_util.h')
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_util.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_util.h b/src/gallium/drivers/freedreno/freedreno_util.h index e03f37dd627..125ad83523c 100644 --- a/src/gallium/drivers/freedreno/freedreno_util.h +++ b/src/gallium/drivers/freedreno/freedreno_util.h @@ -194,6 +194,18 @@ fd_half_precision(struct pipe_framebuffer_state *pfb) return true; } +/* Note sure if this is same on all gens, but seems to be same on the later + * gen's + */ +static inline unsigned +fd_calc_guardband(unsigned x) +{ + float l = log2(x); + if (l <= 8) + return 511; + return 511 - ((l - 8) * 65); +} + #define LOG_DWORDS 0 static inline void emit_marker(struct fd_ringbuffer *ring, int scratch_idx); |