draw: Include draw_decompose_tmp.h in draw_pt_vcache_tmp.h.

Use draw_decompose_tmp.h to replace vcache primitive decomposer.  As the
new decomposer supports primitives with adjacency, vcache_triangle_adj
and vcache_line_adj (and their variants that have flags) are added.

2 files changed, 92 insertions, 252 deletions

diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c
index d2fa1c6d4e0..a848b54f7d2 100644
--- a/src/gallium/auxiliary/draw/draw_pt_vcache.c
+++ b/src/gallium/auxiliary/draw/draw_pt_vcache.c
@@ -95,7 +95,7 @@ static INLINE void
 vcache_check_flush( struct vcache_frontend *vcache )
 {
    if (vcache->draw_count + 6 >= DRAW_MAX ||
-       vcache->fetch_count + 4 >= FETCH_MAX) {
+       vcache->fetch_count + 6 >= FETCH_MAX) {
       vcache_flush( vcache );
    }
 }
@@ -180,59 +180,61 @@ vcache_point( struct vcache_frontend *vcache,
 }
 
 
-static INLINE void 
-vcache_quad( struct vcache_frontend *vcache,
-             unsigned i0,
-             unsigned i1,
-             unsigned i2,
-             unsigned i3 )
+static INLINE void
+vcache_line_adj_flags( struct vcache_frontend *vcache,
+                       unsigned flags,
+                       unsigned a0, unsigned i0, unsigned i1, unsigned a1 )
 {
-   if (vcache->draw->rasterizer->flatshade_first) {
-      /* pass last quad vertex as first triangle vertex */
-      vcache_triangle( vcache, i3, i0, i1 );
-      vcache_triangle( vcache, i3, i1, i2 );
-   }
-   else {
-      /* pass last quad vertex as last triangle vertex */
-      vcache_triangle( vcache, i0, i1, i3 );
-      vcache_triangle( vcache, i1, i2, i3 );
-   }
+   vcache_elt(vcache, a0, 0);
+   vcache_elt(vcache, i0, flags);
+   vcache_elt(vcache, i1, 0);
+   vcache_elt(vcache, a1, 0);
+   vcache_check_flush(vcache);
 }
 
 
-static INLINE void 
-vcache_ef_quad( struct vcache_frontend *vcache,
-                unsigned i0,
-                unsigned i1,
-                unsigned i2,
-                unsigned i3 )
+static INLINE void
+vcache_line_adj( struct vcache_frontend *vcache,
+                 unsigned a0, unsigned i0, unsigned i1, unsigned a1 )
 {
-   if (vcache->draw->rasterizer->flatshade_first) {
-      /* pass last quad vertex as first triangle vertex */
-      vcache_triangle_flags( vcache,
-                             ( DRAW_PIPE_RESET_STIPPLE |
-                               DRAW_PIPE_EDGE_FLAG_0 |
-                               DRAW_PIPE_EDGE_FLAG_1 ),
-                             i3, i0, i1 );
-
-      vcache_triangle_flags( vcache,
-                             ( DRAW_PIPE_EDGE_FLAG_1 |
-                               DRAW_PIPE_EDGE_FLAG_2 ),
-                             i3, i1, i2 );
-   }
-   else {
-      /* pass last quad vertex as last triangle vertex */
-      vcache_triangle_flags( vcache,
-                             ( DRAW_PIPE_RESET_STIPPLE |
-                               DRAW_PIPE_EDGE_FLAG_0 |
-                               DRAW_PIPE_EDGE_FLAG_2 ),
-                             i0, i1, i3 );
-
-      vcache_triangle_flags( vcache,
-                             ( DRAW_PIPE_EDGE_FLAG_0 |
-                               DRAW_PIPE_EDGE_FLAG_1 ),
-                             i1, i2, i3 );
-   }
+   vcache_elt(vcache, a0, 0);
+   vcache_elt(vcache, i0, 0);
+   vcache_elt(vcache, i1, 0);
+   vcache_elt(vcache, a1, 0);
+   vcache_check_flush(vcache);
+}
+
+
+static INLINE void
+vcache_triangle_adj_flags( struct vcache_frontend *vcache,
+                           unsigned flags,
+                           unsigned i0, unsigned a0,
+                           unsigned i1, unsigned a1,
+                           unsigned i2, unsigned a2 )
+{
+   vcache_elt(vcache, i0, flags);
+   vcache_elt(vcache, a0, 0);
+   vcache_elt(vcache, i1, 0);
+   vcache_elt(vcache, a1, 0);
+   vcache_elt(vcache, i2, 0);
+   vcache_elt(vcache, a2, 0);
+   vcache_check_flush(vcache);
+}
+
+
+static INLINE void
+vcache_triangle_adj( struct vcache_frontend *vcache,
+                     unsigned i0, unsigned a0,
+                     unsigned i1, unsigned a1,
+                     unsigned i2, unsigned a2 )
+{
+   vcache_elt(vcache, i0, 0);
+   vcache_elt(vcache, a0, 0);
+   vcache_elt(vcache, i1, 0);
+   vcache_elt(vcache, a1, 0);
+   vcache_elt(vcache, i2, 0);
+   vcache_elt(vcache, a2, 0);
+   vcache_check_flush(vcache);
 }
 
 
@@ -240,17 +242,23 @@ vcache_ef_quad( struct vcache_frontend *vcache,
  * this.  The two paths aren't too different though - it may be
  * possible to reunify them.
  */
-#define TRIANGLE(vc,flags,i0,i1,i2) vcache_triangle_flags(vc,flags,i0,i1,i2)
-#define QUAD(vc,i0,i1,i2,i3)        vcache_ef_quad(vc,i0,i1,i2,i3)
-#define LINE(vc,flags,i0,i1)        vcache_line_flags(vc,flags,i0,i1)
-#define POINT(vc,i0)                vcache_point(vc,i0)
+#define TRIANGLE(flags,i0,i1,i2) vcache_triangle_flags(vcache,flags,i0,i1,i2)
+#define LINE(flags,i0,i1)        vcache_line_flags(vcache,flags,i0,i1)
+#define POINT(i0)                vcache_point(vcache,i0)
+#define LINE_ADJ(flags,a0,i0,i1,a1) \
+   vcache_line_adj_flags(vcache,flags,a0,i0,i1,a1)
+#define TRIANGLE_ADJ(flags,i0,a0,i1,a1,i2,a2) \
+   vcache_triangle_adj_flags(vcache,flags,i0,a0,i1,a1,i2,a2)
 #define FUNC vcache_run_extras
 #include "draw_pt_vcache_tmp.h"
 
-#define TRIANGLE(vc,flags,i0,i1,i2) vcache_triangle(vc,i0,i1,i2)
-#define QUAD(vc,i0,i1,i2,i3)        vcache_quad(vc,i0,i1,i2,i3)
-#define LINE(vc,flags,i0,i1)        vcache_line(vc,i0,i1)
-#define POINT(vc,i0)                vcache_point(vc,i0)
+#define TRIANGLE(flags,i0,i1,i2) vcache_triangle(vcache,i0,i1,i2)
+#define LINE(flags,i0,i1)        vcache_line(vcache,i0,i1)
+#define POINT(i0)                vcache_point(vcache,i0)
+#define LINE_ADJ(flags,a0,i0,i1,a1) \
+   vcache_line_adj(vcache,a0,i0,i1,a1)
+#define TRIANGLE_ADJ(flags,i0,a0,i1,a1,i2,a2) \
+   vcache_triangle_adj(vcache,i0,a0,i1,a1,i2,a2)
 #define FUNC vcache_run
 #include "draw_pt_vcache_tmp.h"
 
@@ -540,7 +548,18 @@ vcache_prepare( struct draw_pt_front_end *frontend,
     * which is a separate issue.
     */
    vcache->input_prim = in_prim;
-   vcache->output_prim = u_reduced_prim(in_prim);
+   switch (in_prim) {
+   case PIPE_PRIM_LINES_ADJACENCY:
+   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+      vcache->output_prim = PIPE_PRIM_LINES_ADJACENCY;
+      break;
+   case PIPE_PRIM_TRIANGLES_ADJACENCY:
+   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+      vcache->output_prim = PIPE_PRIM_TRIANGLES_ADJACENCY;
+      break;
+   default:
+      vcache->output_prim = u_reduced_prim(in_prim);
+   }
 
    vcache->middle = middle;
    vcache->opt = opt;
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h b/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h
index a42162691b9..861ce1adaa1 100644
--- a/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h
+++ b/src/gallium/auxiliary/draw/draw_pt_vcache_tmp.h
@@ -1,198 +1,19 @@
+#define FUNC_VARS                      \
+   struct draw_pt_front_end *frontend, \
+   pt_elt_func get_elt,                \
+   const void *elts,                   \
+   int elt_bias,                       \
+   unsigned count
 
+#define LOCAL_VARS \
+   struct vcache_frontend *vcache = (struct vcache_frontend *) frontend;   \
+   struct draw_context *draw = vcache->draw;                               \
+   const unsigned prim = vcache->input_prim;                               \
+   const boolean last_vertex_last = !(draw->rasterizer->flatshade &&       \
+                                      draw->rasterizer->flatshade_first)
 
-static void FUNC( struct draw_pt_front_end *frontend, 
-                  pt_elt_func get_elt,
-                  const void *elts,
-                  int elt_bias,
-                  unsigned count )
-{
-   struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
-   struct draw_context *draw = vcache->draw;
+#define GET_ELT(idx) (get_elt(elts, idx) + elt_bias)
 
-   boolean flatfirst = (draw->rasterizer->flatshade && 
-                        draw->rasterizer->flatshade_first);
-   unsigned i;
-   ushort flags;
+#define FUNC_EXIT do { vcache_flush(vcache); } while (0)
 
-   if (0) debug_printf("%s %d\n", __FUNCTION__, count);
-
-
-   switch (vcache->input_prim) {
-   case PIPE_PRIM_POINTS:
-      for (i = 0; i < count; i ++) {
-	 POINT( vcache,
-                get_elt(elts, i + 0) + elt_bias );
-      }
-      break;
-
-   case PIPE_PRIM_LINES:
-      for (i = 0; i+1 < count; i += 2) {
-         LINE( vcache, 
-               DRAW_PIPE_RESET_STIPPLE,
-               get_elt(elts, i + 0) + elt_bias,
-               get_elt(elts, i + 1) + elt_bias);
-      }
-      break;
-
-   case PIPE_PRIM_LINE_LOOP:  
-      if (count >= 2) {
-         flags = DRAW_PIPE_RESET_STIPPLE;
-
-         for (i = 1; i < count; i++, flags = 0) {
-            LINE( vcache, 
-                  flags,
-                  get_elt(elts, i - 1) + elt_bias,
-                  get_elt(elts, i ) + elt_bias);
-         }
-
-	 LINE( vcache, 
-               flags,
-               get_elt(elts, i - 1) + elt_bias,
-               get_elt(elts, 0 ) + elt_bias);
-      }
-      break;
-
-   case PIPE_PRIM_LINE_STRIP:
-      flags = DRAW_PIPE_RESET_STIPPLE;
-      for (i = 1; i < count; i++, flags = 0) {
-         LINE( vcache, 
-               flags,
-               get_elt(elts, i - 1) + elt_bias,
-               get_elt(elts, i ) + elt_bias);
-      }
-      break;
-
-   case PIPE_PRIM_TRIANGLES:
-      for (i = 0; i+2 < count; i += 3) {
-         TRIANGLE( vcache,
-                   DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, 
-                   get_elt(elts, i + 0) + elt_bias,
-                   get_elt(elts, i + 1) + elt_bias,
-                   get_elt(elts, i + 2 ) + elt_bias);
-      }
-      break;
-
-   case PIPE_PRIM_TRIANGLE_STRIP:
-      if (flatfirst) {
-         for (i = 0; i+2 < count; i++) {
-            TRIANGLE( vcache,
-                      DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, 
-                      get_elt(elts, i + 0) + elt_bias,
-                      get_elt(elts, i + 1 + (i&1)) + elt_bias,
-                      get_elt(elts, i + 2 - (i&1)) + elt_bias);
-         }
-      }
-      else {
-         for (i = 0; i+2 < count; i++) {
-            TRIANGLE( vcache,
-                      DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, 
-                      get_elt(elts, i + 0 + (i&1)) + elt_bias,
-                      get_elt(elts, i + 1 - (i&1)) + elt_bias,
-                      get_elt(elts, i + 2 ) + elt_bias);
-         }
-      }
-      break;
-
-   case PIPE_PRIM_TRIANGLE_FAN:
-      if (count >= 3) {
-         if (flatfirst) {
-            for (i = 0; i+2 < count; i++) {
-               TRIANGLE( vcache,
-                         DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, 
-                         get_elt(elts, i + 1) + elt_bias,
-                         get_elt(elts, i + 2) + elt_bias,
-                         get_elt(elts, 0 ) + elt_bias);
-            }
-         }
-         else {
-            for (i = 0; i+2 < count; i++) {
-               TRIANGLE( vcache,
-                         DRAW_PIPE_RESET_STIPPLE | DRAW_PIPE_EDGE_FLAG_ALL, 
-                         get_elt(elts, 0) + elt_bias,
-                         get_elt(elts, i + 1) + elt_bias,
-                         get_elt(elts, i + 2 ) + elt_bias);
-            }
-         }
-      }
-      break;
-
-
-   case PIPE_PRIM_QUADS:
-      for (i = 0; i+3 < count; i += 4) {
-         QUAD( vcache,
-               get_elt(elts, i + 0) + elt_bias,
-               get_elt(elts, i + 1) + elt_bias,
-               get_elt(elts, i + 2) + elt_bias,
-               get_elt(elts, i + 3) + elt_bias );
-      }
-      break;
-
-   case PIPE_PRIM_QUAD_STRIP:
-      for (i = 0; i+3 < count; i += 2) {
-         QUAD( vcache,
-               get_elt(elts, i + 2) + elt_bias,
-               get_elt(elts, i + 0) + elt_bias,
-               get_elt(elts, i + 1) + elt_bias,
-               get_elt(elts, i + 3) + elt_bias );
-      }
-      break;
-
-   case PIPE_PRIM_POLYGON:
-      {
-         /* These bitflags look a little odd because we submit the
-          * vertices as (1,2,0) to satisfy flatshade requirements.  
-          */
-         ushort edge_next, edge_finish;
-
-         if (flatfirst) {
-            flags = (DRAW_PIPE_RESET_STIPPLE |
-                     DRAW_PIPE_EDGE_FLAG_0 |
-                     DRAW_PIPE_EDGE_FLAG_1);
-            edge_next = DRAW_PIPE_EDGE_FLAG_1;
-            edge_finish = DRAW_PIPE_EDGE_FLAG_2;
-         }
-         else {
-            flags = (DRAW_PIPE_RESET_STIPPLE |
-                     DRAW_PIPE_EDGE_FLAG_2 |
-                     DRAW_PIPE_EDGE_FLAG_0);
-            edge_next = DRAW_PIPE_EDGE_FLAG_0;
-            edge_finish = DRAW_PIPE_EDGE_FLAG_1;
-         }
-
-	 for (i = 0; i+2 < count; i++, flags = edge_next) {
-
-            if (i + 3 == count)
-               flags |= edge_finish;
-
-            if (flatfirst) {
-               TRIANGLE( vcache,
-                         flags,
-                         get_elt(elts, 0) + elt_bias,
-                         get_elt(elts, i + 1) + elt_bias,
-                         get_elt(elts, i + 2) + elt_bias );
-            }
-            else {
-               TRIANGLE( vcache,
-                         flags,
-                         get_elt(elts, i + 1) + elt_bias,
-                         get_elt(elts, i + 2) + elt_bias,
-                         get_elt(elts, 0) + elt_bias);
-            }
-	 }
-      }
-      break;
-
-   default:
-      assert(0);
-      break;
-   }
-   
-   vcache_flush( vcache );
-}
-
-
-#undef TRIANGLE
-#undef QUAD
-#undef POINT
-#undef LINE
-#undef FUNC
+#include "draw_decompose_tmp.h"