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Diffstat (limited to 'src/mesa/drivers/dri/i965/gen6_vs_state.c')
-rw-r--r--src/mesa/drivers/dri/i965/gen6_vs_state.c15
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) {