Fixed MAXFIFO_S4. Removed WAIT_IDLE_EMPTY from savage_BCI_swap which resulted
[mesa.git] / src / mesa / tnl / t_vb_vertex.c
index e13b8bc0a1e42d88f6736c5ab3dcbbba1e29e386..63dc653245df98afbb00872e5766838e415962cb 100644 (file)
@@ -1,8 +1,7 @@
-/* $Id: t_vb_vertex.c,v 1.14 2002/04/09 16:56:52 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
- * Version:  3.5
+ * Version:  5.0
  *
  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
  *
@@ -24,7 +23,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * Authors:
- *    Keith Whitwell <keithw@valinux.com>
+ *    Keith Whitwell <keith@tungstengraphics.com>
  */
 
 
@@ -32,8 +31,7 @@
 #include "colormac.h"
 #include "context.h"
 #include "macros.h"
-#include "mem.h"
-#include "mmath.h"
+#include "imports.h"
 #include "mtypes.h"
 
 #include "math/m_xform.h"
@@ -131,12 +129,14 @@ static void (*(usercliptab[5]))( GLcontext *,
 
 
 static GLboolean run_vertex_stage( GLcontext *ctx,
-                                  struct gl_pipeline_stage *stage )
+                                  struct tnl_pipeline_stage *stage )
 {
    struct vertex_stage_data *store = (struct vertex_stage_data *)stage->privatePtr;
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    struct vertex_buffer *VB = &tnl->vb;
 
+   ASSERT(!ctx->VertexProgram.Enabled);
+
    if (stage->changed_inputs) {
 
       if (ctx->_NeedEyeCoords) {
@@ -149,36 +149,23 @@ static GLboolean run_vertex_stage( GLcontext *ctx,
            VB->EyePtr = TransformRaw( &store->eye,
                                        ctx->ModelviewMatrixStack.Top,
                                       VB->ObjPtr);
-
-        if (ctx->ProjectionMatrixStack.Top->type == MATRIX_IDENTITY)
-           VB->ClipPtr = VB->EyePtr;
-        else
-           VB->ClipPtr = TransformRaw( &store->clip,
-                                        &ctx->_ModelProjectMatrix,
-                                       VB->ObjPtr );
-      }
-      else {
-        /* Combined modelviewproject transform:
-         */
-        if (ctx->_ModelProjectMatrix.type == MATRIX_IDENTITY)
-           VB->ClipPtr = VB->ObjPtr;
-        else
-           VB->ClipPtr = TransformRaw( &store->clip,
-                                        &ctx->_ModelProjectMatrix,
-                                       VB->ObjPtr );
       }
 
+      VB->ClipPtr = TransformRaw( &store->clip,
+                                 &ctx->_ModelProjectMatrix,
+                                 VB->ObjPtr );
+
       /* Drivers expect this to be clean to element 4...
        */
-      if (VB->ClipPtr->size < 4) {
-        if (VB->ClipPtr->flags & VEC_NOT_WRITEABLE) {
-           ASSERT(VB->ClipPtr == VB->ObjPtr);
-           VB->import_data( ctx, VERT_BIT_POS, VEC_NOT_WRITEABLE );
-           VB->ClipPtr = VB->ObjPtr;
-        }
-        if (VB->ClipPtr->size == 2)
-           _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 2 );
+      switch (VB->ClipPtr->size) {
+      case 1:                  
+        /* impossible */
+      case 2:
+        _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 2 );
+      case 3:
         _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 3 );
+      case 4:
+        break;
       }
 
       /* Cliptest and perspective divide.  Clip functions must clear
@@ -194,7 +181,6 @@ static GLboolean run_vertex_stage( GLcontext *ctx,
                                                store->clipmask,
                                                &store->ormask,
                                                &store->andmask );
-
       }
       else {
         VB->NdcPtr = 0;
@@ -226,9 +212,6 @@ static GLboolean run_vertex_stage( GLcontext *ctx,
       VB->ClipOrMask = store->ormask;
       VB->ClipMask = store->clipmask;
 
-      if (VB->ClipPtr == VB->ObjPtr && (VB->importable_data & VERT_BIT_POS))
-        VB->importable_data |= VERT_BIT_CLIP;
-
       store->save_eyeptr = VB->EyePtr;
       store->save_clipptr = VB->ClipPtr;
       store->save_ndcptr = VB->NdcPtr;
@@ -241,8 +224,6 @@ static GLboolean run_vertex_stage( GLcontext *ctx,
       VB->NdcPtr = store->save_ndcptr;
       VB->ClipMask = store->clipmask;
       VB->ClipOrMask = store->ormask;
-      if (VB->ClipPtr == VB->ObjPtr && (VB->importable_data & VERT_BIT_POS))
-        VB->importable_data |= VERT_BIT_CLIP;
       if (store->andmask)
         return GL_FALSE;
    }
@@ -251,13 +232,13 @@ static GLboolean run_vertex_stage( GLcontext *ctx,
 }
 
 
-static void check_vertex( GLcontext *ctx, struct gl_pipeline_stage *stage )
+static void check_vertex( GLcontext *ctx, struct tnl_pipeline_stage *stage )
 {
    stage->active = !ctx->VertexProgram.Enabled;
 }
 
 static GLboolean init_vertex_stage( GLcontext *ctx,
-                                   struct gl_pipeline_stage *stage )
+                                   struct tnl_pipeline_stage *stage )
 {
    struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
    struct vertex_stage_data *store;
@@ -286,7 +267,7 @@ static GLboolean init_vertex_stage( GLcontext *ctx,
    return stage->run( ctx, stage );
 }
 
-static void dtr( struct gl_pipeline_stage *stage )
+static void dtr( struct tnl_pipeline_stage *stage )
 {
    struct vertex_stage_data *store = VERTEX_STAGE_DATA(stage);
 
@@ -302,17 +283,18 @@ static void dtr( struct gl_pipeline_stage *stage )
 }
 
 
-const struct gl_pipeline_stage _tnl_vertex_transform_stage =
+const struct tnl_pipeline_stage _tnl_vertex_transform_stage =
 {
    "modelview/project/cliptest/divide",
-   0,                          /* re-check -- always on */
-   _MESA_NEW_NEED_EYE_COORDS |
+   _NEW_PROGRAM,                /* check_state: only care about vertex prog */
+   _MESA_NEW_NEED_EYE_COORDS |  /* run_state: when to invalidate / re-run */
    _NEW_MODELVIEW|
    _NEW_PROJECTION|
-   _NEW_TRANSFORM,             /* re-run */
+   _NEW_PROGRAM|
+   _NEW_TRANSFORM,
    GL_TRUE,                    /* active */
-   VERT_BIT_POS,               /* inputs */
-   VERT_BIT_EYE|VERT_BIT_CLIP,         /* outputs */
+   _TNL_BIT_POS,               /* inputs */
+   _TNL_BIT_POS,               /* outputs */
    0,                          /* changed_inputs */
    NULL,                       /* private data */
    dtr,                                /* destructor */