Module: Mesa Branch: 7.10 Commit: c3fcd8af4f843052963b2145f136de46e33e8904 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c3fcd8af4f843052963b2145f136de46e33e8904
Author: Marek Olšák <mar...@gmail.com> Date: Sat Mar 12 06:07:24 2011 +0100 r300/compiler: fix the saturate modifier when applied to TEX instructions This bug can only be triggered if the source texture is either signed or float. (cherry picked from commit e4707604ab46252d2e010906124775d3300f0be1) --- .../drivers/dri/r300/compiler/radeon_program_tex.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c index f9d9f34..bf65a53 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c @@ -420,17 +420,21 @@ int radeonTransformTEX( scale_texcoords(compiler, inst, RC_STATE_R300_TEXSCALE_FACTOR); } - /* Cannot write texture to output registers (all chips) or with masks (non-r500) */ + /* Cannot write texture to output registers or with saturate (all chips), + * or with masks (non-r500). */ if (inst->U.I.Opcode != RC_OPCODE_KIL && (inst->U.I.DstReg.File != RC_FILE_TEMPORARY || + inst->U.I.SaturateMode || (!c->is_r500 && inst->U.I.DstReg.WriteMask != RC_MASK_XYZW))) { struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst); inst_mov->U.I.Opcode = RC_OPCODE_MOV; + inst_mov->U.I.SaturateMode = inst->U.I.SaturateMode; inst_mov->U.I.DstReg = inst->U.I.DstReg; inst_mov->U.I.SrcReg[0].File = RC_FILE_TEMPORARY; inst_mov->U.I.SrcReg[0].Index = rc_find_free_temporary(c); + inst->U.I.SaturateMode = 0; inst->U.I.DstReg.File = RC_FILE_TEMPORARY; inst->U.I.DstReg.Index = inst_mov->U.I.SrcReg[0].Index; inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit