/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
/* Second state atom for user clip planes:
*/
-static void update_clip( struct st_context *st )
+void st_update_clip( struct st_context *st )
{
struct pipe_clip_state clip;
const struct gl_context *ctx = st->ctx;
/* 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.CurrentVertexProgram)
- 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));
- st->state.clip = clip;
- cso_set_clip(st->cso_context, &clip);
-}
-
-const struct st_tracked_state st_update_clip = {
- "st_update_clip", /* name */
- { /* dirty */
- (_NEW_TRANSFORM | _NEW_PROGRAM), /* mesa */
- 0, /* st */
- },
- update_clip /* update */
-};
+ if (memcmp(&st->state.clip, &clip, sizeof(clip)) != 0) {
+ st->state.clip = clip;
+ st->pipe->set_clip_state(st->pipe, &clip);
+ }
+}