Module: Mesa Branch: master Commit: abc160b664c3fbd4c18a2cd3402c9a84f5f2d00f URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=abc160b664c3fbd4c18a2cd3402c9a84f5f2d00f
Author: José Fonseca <[email protected]> Date: Wed Sep 9 21:17:20 2009 +0100 llvmpipe: Fix depth mask computation. Fixes depth test for 24bit depth formats. --- src/gallium/drivers/llvmpipe/lp_bld_depth.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-) diff --git a/src/gallium/drivers/llvmpipe/lp_bld_depth.c b/src/gallium/drivers/llvmpipe/lp_bld_depth.c index 2cd6e6b..3f88a14 100644 --- a/src/gallium/drivers/llvmpipe/lp_bld_depth.c +++ b/src/gallium/drivers/llvmpipe/lp_bld_depth.c @@ -179,12 +179,13 @@ lp_build_depth_test(LLVMBuilderRef builder, padding_right = 0; for(chan = 0; chan < z_swizzle; ++chan) padding_right += format_desc->channel[chan].size; - padding_left = format_desc->block.bits - format_desc->channel[z_swizzle].size; + padding_left = format_desc->block.bits - + (padding_right + format_desc->channel[z_swizzle].size); if(padding_left || padding_right) { - const long long mask_left = ((long long)1 << (format_desc->block.bits - padding_left)) - 1; - const long long mask_right = ((long long)1 << (padding_right)) - 1; - z_bitmask = lp_build_int_const_scalar(type, mask_left & mask_right); + const unsigned long long mask_left = ((unsigned long long)1 << (format_desc->block.bits - padding_left)) - 1; + const unsigned long long mask_right = ((unsigned long long)1 << (padding_right)) - 1; + z_bitmask = lp_build_int_const_scalar(type, mask_left ^ mask_right); } if(padding_left) _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
