1 files changed, 211 insertions, 234 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_prim.h b/mesalib/src/gallium/auxiliary/util/u_prim.h
index 519820e1b..ca7c67d7c 100644
--- a/mesalib/src/gallium/auxiliary/util/u_prim.h
+++ b/mesalib/src/gallium/auxiliary/util/u_prim.h
@@ -1,234 +1,211 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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 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 TUNGSTEN GRAPHICS 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.
- *
- **************************************************************************/
-
-
-#ifndef U_BLIT_H
-#define U_BLIT_H
-
-
-#include "pipe/p_defines.h"
-#include "util/u_debug.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static INLINE boolean u_validate_pipe_prim( unsigned pipe_prim, unsigned nr )
-{
-   boolean ok = TRUE;
-
-   switch (pipe_prim) {
-   case PIPE_PRIM_POINTS:
-      ok = (nr >= 1);
-      break;
-   case PIPE_PRIM_LINES:
-      ok = (nr >= 2);
-      break;
-   case PIPE_PRIM_LINE_STRIP:
-   case PIPE_PRIM_LINE_LOOP:
-      ok = (nr >= 2);
-      break;
-   case PIPE_PRIM_TRIANGLES:
-      ok = (nr >= 3);
-      break;
-   case PIPE_PRIM_TRIANGLE_STRIP:
-   case PIPE_PRIM_TRIANGLE_FAN:
-   case PIPE_PRIM_POLYGON:
-      ok = (nr >= 3);
-      break;
-   case PIPE_PRIM_QUADS:
-      ok = (nr >= 4);
-      break;
-   case PIPE_PRIM_QUAD_STRIP:
-      ok = (nr >= 4);
-      break;
-   default:
-      ok = 0;
-      break;
-   }
-
-   return ok;
-}
-
-
-static INLINE boolean u_trim_pipe_prim( unsigned pipe_prim, unsigned *nr )
-{
-   boolean ok = TRUE;
-
-   switch (pipe_prim) {
-   case PIPE_PRIM_POINTS:
-      ok = (*nr >= 1);
-      break;
-   case PIPE_PRIM_LINES:
-      ok = (*nr >= 2);
-      *nr -= (*nr % 2);
-      break;
-   case PIPE_PRIM_LINE_STRIP:
-   case PIPE_PRIM_LINE_LOOP:
-      ok = (*nr >= 2);
-      break;
-   case PIPE_PRIM_TRIANGLES:
-      ok = (*nr >= 3);
-      *nr -= (*nr % 3);
-      break;
-   case PIPE_PRIM_TRIANGLE_STRIP:
-   case PIPE_PRIM_TRIANGLE_FAN:
-   case PIPE_PRIM_POLYGON:
-      ok = (*nr >= 3);
-      break;
-   case PIPE_PRIM_QUADS:
-      ok = (*nr >= 4);
-      *nr -= (*nr % 4);
-      break;
-   case PIPE_PRIM_QUAD_STRIP:
-      ok = (*nr >= 4);
-      *nr -= (*nr % 2);
-      break;
-   case PIPE_PRIM_LINES_ADJACENCY:
-      ok = (*nr >= 4);
-      *nr -= (*nr % 4);
-      break;
-   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
-      ok = (*nr >= 4);
-      break;
-   case PIPE_PRIM_TRIANGLES_ADJACENCY:
-      ok = (*nr >= 6);
-      *nr -= (*nr % 5);
-      break;
-   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
-      ok = (*nr >= 4);
-      break;
-   default:
-      ok = 0;
-      break;
-   }
-
-   if (!ok)
-      *nr = 0;
-
-   return ok;
-}
-
-
-static INLINE unsigned u_reduced_prim( unsigned pipe_prim )
-{
-   switch (pipe_prim) {
-   case PIPE_PRIM_POINTS:
-      return PIPE_PRIM_POINTS;
-
-   case PIPE_PRIM_LINES:
-   case PIPE_PRIM_LINE_STRIP:
-   case PIPE_PRIM_LINE_LOOP:
-      return PIPE_PRIM_LINES;
-
-   default:
-      return PIPE_PRIM_TRIANGLES;
-   }
-}
-
-static INLINE unsigned
-u_vertices_per_prim(int primitive)
-{
-   switch(primitive) {
-   case PIPE_PRIM_POINTS:
-      return 1;
-   case PIPE_PRIM_LINES:
-   case PIPE_PRIM_LINE_LOOP:
-   case PIPE_PRIM_LINE_STRIP:
-      return 2;
-   case PIPE_PRIM_TRIANGLES:
-   case PIPE_PRIM_TRIANGLE_STRIP:
-   case PIPE_PRIM_TRIANGLE_FAN:
-      return 3;
-   case PIPE_PRIM_LINES_ADJACENCY:
-   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
-      return 4;
-   case PIPE_PRIM_TRIANGLES_ADJACENCY:
-   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
-      return 6;
-
-   /* following primitives should never be used
-    * with geometry shaders abd their size is
-    * undefined */
-   case PIPE_PRIM_POLYGON:
-   case PIPE_PRIM_QUADS:
-   case PIPE_PRIM_QUAD_STRIP:
-   default:
-      debug_printf("Unrecognized geometry shader primitive");
-      return 3;
-   }
-}
-
-/**
- * Returns the number of decomposed primitives for the given
- * vertex count.
- * Geometry shader is invoked once for each triangle in
- * triangle strip, triangle fans and triangles and once
- * for each line in line strip, line loop, lines.
- */
-static INLINE unsigned
-u_gs_prims_for_vertices(int primitive, int vertices)
-{
-   switch(primitive) {
-   case PIPE_PRIM_POINTS:
-      return vertices;
-   case PIPE_PRIM_LINES:
-      return vertices / 2;
-   case PIPE_PRIM_LINE_LOOP:
-      return vertices;
-   case PIPE_PRIM_LINE_STRIP:
-      return vertices - 1;
-   case PIPE_PRIM_TRIANGLES:
-      return vertices /  3;
-   case PIPE_PRIM_TRIANGLE_STRIP:
-      return vertices - 2;
-   case PIPE_PRIM_TRIANGLE_FAN:
-      return vertices - 2;
-   case PIPE_PRIM_LINES_ADJACENCY:
-      return vertices / 2;
-   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
-      return vertices - 1;
-   case PIPE_PRIM_TRIANGLES_ADJACENCY:
-      return vertices / 3;
-   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
-      return vertices - 2;
-
-   /* following primitives should never be used
-    * with geometry shaders abd their size is
-    * undefined */
-   case PIPE_PRIM_POLYGON:
-   case PIPE_PRIM_QUADS:
-   case PIPE_PRIM_QUAD_STRIP:
-   default:
-      debug_printf("Unrecognized geometry shader primitive");
-      return 3;
-   }
-}
-
-const char *u_prim_name( unsigned pipe_prim );
-
-#endif
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 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 TUNGSTEN GRAPHICS 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.
+ *
+ **************************************************************************/
+
+
+#ifndef U_BLIT_H
+#define U_BLIT_H
+
+
+#include "pipe/p_defines.h"
+#include "util/u_debug.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static INLINE boolean u_validate_pipe_prim( unsigned pipe_prim, unsigned nr )
+{
+   boolean ok = TRUE;
+
+   switch (pipe_prim) {
+   case PIPE_PRIM_POINTS:
+      ok = (nr >= 1);
+      break;
+   case PIPE_PRIM_LINES:
+      ok = (nr >= 2);
+      break;
+   case PIPE_PRIM_LINE_STRIP:
+   case PIPE_PRIM_LINE_LOOP:
+      ok = (nr >= 2);
+      break;
+   case PIPE_PRIM_TRIANGLES:
+      ok = (nr >= 3);
+      break;
+   case PIPE_PRIM_TRIANGLE_STRIP:
+   case PIPE_PRIM_TRIANGLE_FAN:
+   case PIPE_PRIM_POLYGON:
+      ok = (nr >= 3);
+      break;
+   case PIPE_PRIM_QUADS:
+      ok = (nr >= 4);
+      break;
+   case PIPE_PRIM_QUAD_STRIP:
+      ok = (nr >= 4);
+      break;
+   default:
+      ok = 0;
+      break;
+   }
+
+   return ok;
+}
+
+
+static INLINE boolean u_trim_pipe_prim( unsigned pipe_prim, unsigned *nr )
+{
+   boolean ok = TRUE;
+   const static int values[][2] = {
+      { 1, 0 }, /* PIPE_PRIM_POINTS */
+      { 2, 2 }, /* PIPE_PRIM_LINES */
+      { 2, 0 }, /* PIPE_PRIM_LINE_LOOP */
+      { 2, 0 }, /* PIPE_PRIM_LINE_STRIP */
+      { 3, 3 }, /* PIPE_PRIM_TRIANGLES */
+      { 3, 0 }, /* PIPE_PRIM_TRIANGLE_STRIP */
+      { 3, 0 }, /* PIPE_PRIM_TRIANGLE_FAN */
+      { 4, 4 }, /* PIPE_PRIM_TRIANGLE_QUADS */
+      { 4, 2 }, /* PIPE_PRIM_TRIANGLE_QUAD_STRIP */
+      { 3, 0 }, /* PIPE_PRIM_TRIANGLE_POLYGON */
+      { 4, 4 }, /* PIPE_PRIM_LINES_ADJACENCY */
+      { 4, 0 }, /* PIPE_PRIM_LINE_STRIP_ADJACENCY */
+      { 6, 5 }, /* PIPE_PRIM_TRIANGLES_ADJACENCY */
+      { 4, 0 }, /* PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY */
+   };
+
+   if (unlikely(pipe_prim >= PIPE_PRIM_MAX)) {
+       *nr = 0;
+       return FALSE;
+   }
+
+   ok = (*nr >= values[pipe_prim][0]);
+   if (values[pipe_prim][1])
+       *nr -= (*nr % values[pipe_prim][1]);
+
+   if (!ok)
+      *nr = 0;
+
+   return ok;
+}
+
+
+static INLINE unsigned u_reduced_prim( unsigned pipe_prim )
+{
+   switch (pipe_prim) {
+   case PIPE_PRIM_POINTS:
+      return PIPE_PRIM_POINTS;
+
+   case PIPE_PRIM_LINES:
+   case PIPE_PRIM_LINE_STRIP:
+   case PIPE_PRIM_LINE_LOOP:
+      return PIPE_PRIM_LINES;
+
+   default:
+      return PIPE_PRIM_TRIANGLES;
+   }
+}
+
+static INLINE unsigned
+u_vertices_per_prim(int primitive)
+{
+   switch(primitive) {
+   case PIPE_PRIM_POINTS:
+      return 1;
+   case PIPE_PRIM_LINES:
+   case PIPE_PRIM_LINE_LOOP:
+   case PIPE_PRIM_LINE_STRIP:
+      return 2;
+   case PIPE_PRIM_TRIANGLES:
+   case PIPE_PRIM_TRIANGLE_STRIP:
+   case PIPE_PRIM_TRIANGLE_FAN:
+      return 3;
+   case PIPE_PRIM_LINES_ADJACENCY:
+   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+      return 4;
+   case PIPE_PRIM_TRIANGLES_ADJACENCY:
+   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+      return 6;
+
+   /* following primitives should never be used
+    * with geometry shaders abd their size is
+    * undefined */
+   case PIPE_PRIM_POLYGON:
+   case PIPE_PRIM_QUADS:
+   case PIPE_PRIM_QUAD_STRIP:
+   default:
+      debug_printf("Unrecognized geometry shader primitive");
+      return 3;
+   }
+}
+
+/**
+ * Returns the number of decomposed primitives for the given
+ * vertex count.
+ * Geometry shader is invoked once for each triangle in
+ * triangle strip, triangle fans and triangles and once
+ * for each line in line strip, line loop, lines.
+ */
+static INLINE unsigned
+u_gs_prims_for_vertices(int primitive, int vertices)
+{
+   switch(primitive) {
+   case PIPE_PRIM_POINTS:
+      return vertices;
+   case PIPE_PRIM_LINES:
+      return vertices / 2;
+   case PIPE_PRIM_LINE_LOOP:
+      return vertices;
+   case PIPE_PRIM_LINE_STRIP:
+      return vertices - 1;
+   case PIPE_PRIM_TRIANGLES:
+      return vertices /  3;
+   case PIPE_PRIM_TRIANGLE_STRIP:
+      return vertices - 2;
+   case PIPE_PRIM_TRIANGLE_FAN:
+      return vertices - 2;
+   case PIPE_PRIM_LINES_ADJACENCY:
+      return vertices / 2;
+   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+      return vertices - 1;
+   case PIPE_PRIM_TRIANGLES_ADJACENCY:
+      return vertices / 3;
+   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+      return vertices - 2;
+
+   /* following primitives should never be used
+    * with geometry shaders abd their size is
+    * undefined */
+   case PIPE_PRIM_POLYGON:
+   case PIPE_PRIM_QUADS:
+   case PIPE_PRIM_QUAD_STRIP:
+   default:
+      debug_printf("Unrecognized geometry shader primitive");
+      return 3;
+   }
+}
+
+const char *u_prim_name( unsigned pipe_prim );
+
+#endif