diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen6_vs_state.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/gen6_vs_state.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_vs_state.c b/src/mesa/drivers/dri/i965/gen6_vs_state.c index f1123af..afb4ace 100644 --- a/src/mesa/drivers/dri/i965/gen6_vs_state.c +++ b/src/mesa/drivers/dri/i965/gen6_vs_state.c @@ -42,6 +42,7 @@ gen6_prepare_vs_push_constants(struct brw_context *brw) const struct brw_vertex_program *vp = brw_vertex_program_const(brw->vertex_program); unsigned int nr_params = brw->vs.prog_data->nr_params / 4; + bool uses_clip_distance = vp->program.UsesClipDistance; if (brw->vertex_program->IsNVProgram) _mesa_load_tracked_matrices(ctx); @@ -68,12 +69,14 @@ 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. */ - for (i = 0; i < MAX_CLIP_PLANES; i++) { - if (ctx->Transform.ClipPlanesEnabled & (1 << i)) { - memcpy(param, ctx->Transform._ClipUserPlane[i], 4 * sizeof(float)); - param += 4; - params_uploaded++; - } + if (!uses_clip_distance) { + for (i = 0; i < MAX_CLIP_PLANES; i++) { + if (ctx->Transform.ClipPlanesEnabled & (1 << i)) { + memcpy(param, ctx->Transform._ClipUserPlane[i], 4 * sizeof(float)); + param += 4; + params_uploaded++; + } + } } /* Align to a reg for convenience for brw_vs_emit.c */ if (params_uploaded & 1) { |