diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_vs_state.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_vs_state.c b/src/mesa/drivers/dri/i965/gen6_vs_state.c index 14a96fca6b1..1c57a3b4a10 100644 --- a/src/mesa/drivers/dri/i965/gen6_vs_state.c +++ b/src/mesa/drivers/dri/i965/gen6_vs_state.c @@ -76,15 +76,14 @@ gen6_prepare_vs_push_constants(struct brw_context *brw) /* This should be loaded like any other param, but it's ad-hoc * until we redo the VS backend. */ - if (!uses_clip_distance) { + if (ctx->Transform.ClipPlanesEnabled != 0 && !uses_clip_distance) { gl_clip_plane *clip_planes = brw_select_clip_planes(ctx); - for (i = 0; i < MAX_CLIP_PLANES; i++) { - if (ctx->Transform.ClipPlanesEnabled & (1 << i)) { - memcpy(param, clip_planes[i], 4 * sizeof(float)); - param += 4; - params_uploaded++; - } - } + int num_userclip_plane_consts + = _mesa_logbase2(ctx->Transform.ClipPlanesEnabled) + 1; + int num_floats = 4 * num_userclip_plane_consts; + memcpy(param, clip_planes, num_floats * sizeof(float)); + param += num_floats; + params_uploaded += num_userclip_plane_consts; } /* Align to a reg for convenience for brw_vs_emit.c */ |