Module: Mesa Branch: master Commit: 39cc0ee3eaf0d0cae70d91ae33961053782662c8 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=39cc0ee3eaf0d0cae70d91ae33961053782662c8
Author: Eric Anholt <[email protected]> Date: Wed Jan 5 14:48:05 2011 -0800 i915: Enable LOD preclamping on 8xx like on 915/965. Fixes lodclamp-between and lodclamp-between-max. --- src/mesa/drivers/dri/i915/i830_reg.h | 2 ++ src/mesa/drivers/dri/i915/i830_texstate.c | 1 + 2 files changed, 3 insertions(+), 0 deletions(-) diff --git a/src/mesa/drivers/dri/i915/i830_reg.h b/src/mesa/drivers/dri/i915/i830_reg.h index 4144249..99ee1bb 100644 --- a/src/mesa/drivers/dri/i915/i830_reg.h +++ b/src/mesa/drivers/dri/i915/i830_reg.h @@ -585,6 +585,8 @@ #define TM0S2_VERITCAL_LINE_STRIDE_OFF (1<<12) #define TM0S2_OUTPUT_CHAN_SHIFT 10 #define TM0S2_OUTPUT_CHAN_MASK (3<<10) +#define TM0S2_BASE_MIP_LEVEL_SHIFT 1 +#define TM0S2_LOD_PRECLAMP (1 << 0) #define TM0S3_MIP_FILTER_MASK (0x3<<30) #define TM0S3_MIP_FILTER_SHIFT 30 diff --git a/src/mesa/drivers/dri/i915/i830_texstate.c b/src/mesa/drivers/dri/i915/i830_texstate.c index 8340cd8..26ce5c3 100644 --- a/src/mesa/drivers/dri/i915/i830_texstate.c +++ b/src/mesa/drivers/dri/i915/i830_texstate.c @@ -266,6 +266,7 @@ i830_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3) maxlod_fixed = U_FIXED(CLAMP(maxlod, 0.0, 11.75), 2); maxlod_fixed = MAX2(maxlod_fixed, (minlod_fixed + 3) >> 2); state[I830_TEXREG_TM0S3] |= maxlod_fixed << TM0S3_MIN_MIP_SHIFT; + state[I830_TEXREG_TM0S2] |= TM0S2_LOD_PRECLAMP; } else { maxlod_fixed = U_FIXED(CLAMP(maxlod, 0.0, 11), 0); maxlod_fixed = MAX2(maxlod_fixed, (minlod_fixed + 15) >> 4); _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
