From: Marek Olšák <marek.ol...@amd.com>
The clip state is updated before VS, so it can be NULL for the first draw
call. Just remove the unnecessary dependency on st->vp.
---
src/mesa/state_tracker/st_atom_clip.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/src/mesa/state_tracker/st_atom_clip.c
b/src/mesa/state_tracker/st_atom_clip.c
index 9d2870f..0df7985 100644
--- a/src/mesa/state_tracker/st_atom_clip.c
+++ b/src/mesa/state_tracker/st_atom_clip.c
@@ -44,24 +44,22 @@
static void update_clip( struct st_context *st )
{
struct pipe_clip_state clip;
const struct gl_context *ctx = st->ctx;
bool use_eye = FALSE;
STATIC_ASSERT(sizeof(clip.ucp) <= sizeof(ctx->Transform._ClipUserPlane));
/* if we have a vertex shader that writes clip vertex we need to pass
the pre-projection transformed coordinates into the driver. */
- if (st->vp) {
- if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX])
- use_eye = TRUE;
- }
+ if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX])
+ use_eye = TRUE;
/* _ClipUserPlane = _NEW_TRANSFORM | _NEW_PROJECTION
* EyeUserPlane = _NEW_TRANSFORM
*/
memcpy(clip.ucp,
use_eye ? ctx->Transform.EyeUserPlane
: ctx->Transform._ClipUserPlane, sizeof(clip.ucp));
if (memcmp(&st->state.clip, &clip, sizeof(clip)) != 0) {
st->state.clip = clip;
--
2.7.4
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