From 1fa97ddb25c008c9edd0a137198eb89c3650d6fa Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 17 Feb 2011 09:21:24 -0700 Subject: draw: update comments, rename vars in pstipple code --- src/gallium/auxiliary/draw/draw_pipe_pstipple.c | 34 +++++++++++++------------ 1 file changed, 18 insertions(+), 16 deletions(-) (limited to 'src/gallium/auxiliary') diff --git a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c index f5515c1df7..ea62c9739f 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c +++ b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c @@ -27,8 +27,9 @@ /** * Polygon stipple stage: implement polygon stipple with texture map and - * fragment program. The fragment program samples the texture and does - * a fragment kill for the stipple-failing fragments. + * fragment program. The fragment program samples the texture using the + * fragment window coordinate register and does a fragment kill for the + * stipple-failing fragments. * * Authors: Brian Paul */ @@ -114,7 +115,8 @@ struct pstip_stage /** * Subclass of tgsi_transform_context, used for transforming the - * user's fragment shader to add the special AA instructions. + * user's fragment shader to add the extra texture sample and fragment kill + * instructions. */ struct pstip_transform_context { struct tgsi_transform_context base; @@ -658,16 +660,16 @@ pstip_create_fs_state(struct pipe_context *pipe, const struct pipe_shader_state *fs) { struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); - struct pstip_fragment_shader *aafs = CALLOC_STRUCT(pstip_fragment_shader); + struct pstip_fragment_shader *pstipfs = CALLOC_STRUCT(pstip_fragment_shader); - if (aafs) { - aafs->state = *fs; + if (pstipfs) { + pstipfs->state = *fs; /* pass-through */ - aafs->driver_fs = pstip->driver_create_fs_state(pstip->pipe, fs); + pstipfs->driver_fs = pstip->driver_create_fs_state(pstip->pipe, fs); } - return aafs; + return pstipfs; } @@ -675,12 +677,12 @@ static void pstip_bind_fs_state(struct pipe_context *pipe, void *fs) { struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); - struct pstip_fragment_shader *aafs = (struct pstip_fragment_shader *) fs; + struct pstip_fragment_shader *pstipfs = (struct pstip_fragment_shader *) fs; /* save current */ - pstip->fs = aafs; + pstip->fs = pstipfs; /* pass-through */ pstip->driver_bind_fs_state(pstip->pipe, - (aafs ? aafs->driver_fs : NULL)); + (pstipfs ? pstipfs->driver_fs : NULL)); } @@ -688,14 +690,14 @@ static void pstip_delete_fs_state(struct pipe_context *pipe, void *fs) { struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); - struct pstip_fragment_shader *aafs = (struct pstip_fragment_shader *) fs; + struct pstip_fragment_shader *pstipfs = (struct pstip_fragment_shader *) fs; /* pass-through */ - pstip->driver_delete_fs_state(pstip->pipe, aafs->driver_fs); + pstip->driver_delete_fs_state(pstip->pipe, pstipfs->driver_fs); - if (aafs->pstip_fs) - pstip->driver_delete_fs_state(pstip->pipe, aafs->pstip_fs); + if (pstipfs->pstip_fs) + pstip->driver_delete_fs_state(pstip->pipe, pstipfs->pstip_fs); - FREE(aafs); + FREE(pstipfs); } -- cgit v1.2.3