Merge commit 'eee/mesa-es' into android

1 files changed, 253 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/indices/u_indices.c b/src/gallium/auxiliary/indices/u_indices.c
new file mode 100644
index 0000000000..03d7453f30
--- /dev/null
+++ b/src/gallium/auxiliary/indices/u_indices.c
@@ -0,0 +1,253 @@
+/*
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * 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
+ * VMWARE AND/OR THEIR 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.
+ */
+
+#include "u_indices.h"
+#include "u_indices_priv.h"
+
+static void translate_memcpy_ushort( const void *in,
+                                     unsigned nr,
+                                     void *out )
+{
+   memcpy(out, in, nr*sizeof(short));
+}
+                              
+static void translate_memcpy_uint( const void *in,
+                                   unsigned nr,
+                                   void *out )
+{
+   memcpy(out, in, nr*sizeof(int));
+}
+                              
+
+int u_index_translator( unsigned hw_mask,
+                        unsigned prim,
+                        unsigned in_index_size,
+                        unsigned nr,
+                        unsigned in_pv,
+                        unsigned out_pv,
+                        unsigned *out_prim,
+                        unsigned *out_index_size,
+                        unsigned *out_nr,
+                        u_translate_func *out_translate )
+{
+   unsigned in_idx;
+   unsigned out_idx;
+   int ret = U_TRANSLATE_NORMAL;
+
+   u_index_init();
+
+   in_idx = in_size_idx(in_index_size);
+   *out_index_size = (in_index_size == 4) ? 4 : 2;
+   out_idx = out_size_idx(*out_index_size);
+
+   if ((hw_mask & (1<<prim)) && 
+       in_index_size == *out_index_size &&
+       in_pv == out_pv) 
+   {
+      if (in_index_size == 4)
+         *out_translate = translate_memcpy_uint;
+      else
+         *out_translate = translate_memcpy_ushort;
+
+      *out_prim = prim;
+      *out_nr = nr;
+
+      return U_TRANSLATE_MEMCPY;
+   }
+   else {
+      switch (prim) {
+      case PIPE_PRIM_POINTS:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_POINTS;
+         *out_nr = nr;
+         break;
+
+      case PIPE_PRIM_LINES:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_LINES;
+         *out_nr = nr;
+         break;
+
+      case PIPE_PRIM_LINE_STRIP:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_LINES;
+         *out_nr = (nr - 1) * 2;
+         break;
+
+      case PIPE_PRIM_LINE_LOOP:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_LINES;
+         *out_nr = nr * 2;
+         break;
+
+      case PIPE_PRIM_TRIANGLES:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = nr;
+         break;
+
+      case PIPE_PRIM_TRIANGLE_STRIP:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         break;
+
+      case PIPE_PRIM_TRIANGLE_FAN:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         break;
+
+      case PIPE_PRIM_QUADS:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr / 4) * 6;
+         break;
+
+      case PIPE_PRIM_QUAD_STRIP:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         break;
+
+      case PIPE_PRIM_POLYGON:
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         break;
+
+      default:
+         assert(0);
+         *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_POINTS;
+         *out_nr = nr;
+         return U_TRANSLATE_ERROR;
+      }
+   }
+
+   return ret;
+}
+
+
+
+
+
+int u_index_generator( unsigned hw_mask,
+                       unsigned prim,
+                       unsigned start,
+                       unsigned nr,
+                       unsigned in_pv,
+                       unsigned out_pv,
+                       unsigned *out_prim,
+                       unsigned *out_index_size,
+                       unsigned *out_nr,
+                       u_generate_func *out_generate )
+
+{
+   unsigned out_idx;
+
+   u_index_init();
+
+   *out_index_size = ((start + nr) > 0xfffe) ? 4 : 2;
+   out_idx = out_size_idx(*out_index_size);
+
+   if ((hw_mask & (1<<prim)) && 
+       (in_pv == out_pv)) {
+       
+      *out_generate = generate[out_idx][in_pv][out_pv][PIPE_PRIM_POINTS];
+      *out_prim = prim;
+      *out_nr = nr;
+      return U_GENERATE_LINEAR;
+   }
+   else {
+      switch (prim) {
+      case PIPE_PRIM_POINTS:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_POINTS;
+         *out_nr = nr;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_LINES:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_LINES;
+         *out_nr = nr;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_LINE_STRIP:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_LINES;
+         *out_nr = (nr - 1) * 2;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_LINE_LOOP:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_LINES;
+         *out_nr = nr * 2;
+         return U_GENERATE_ONE_OFF;
+
+      case PIPE_PRIM_TRIANGLES:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = nr;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_TRIANGLE_STRIP:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_TRIANGLE_FAN:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_QUADS:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr / 4) * 6;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_QUAD_STRIP:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         return U_GENERATE_REUSABLE;
+
+      case PIPE_PRIM_POLYGON:
+         *out_generate = generate[out_idx][in_pv][out_pv][prim];
+         *out_prim = PIPE_PRIM_TRIANGLES;
+         *out_nr = (nr - 2) * 3;
+         return U_GENERATE_REUSABLE;
+
+      default:
+         assert(0);
+         *out_generate = generate[out_idx][in_pv][out_pv][PIPE_PRIM_POINTS];
+         *out_prim = PIPE_PRIM_POINTS;
+         *out_nr = nr;
+         return U_TRANSLATE_ERROR;
+      }
+   }
+}