Mesa (master): util: more helpers for old draw code

[Keith Whitwell]

Module: Mesa
Branch: master
Commit: f623d06c495c671f687d4a70c9281c64e5875232
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f623d06c495c671f687d4a70c9281c64e5875232

Author: Keith Whitwell <keithw at vmware.com>
Date:   Fri Jul 30 10:47:20 2010 +0100

util: more helpers for old draw code

---

 src/gallium/auxiliary/util/u_draw.h      |  140 ++++++++++++++++++++++++++++++
 src/gallium/auxiliary/util/u_draw_quad.h |   26 +------
 2 files changed, 141 insertions(+), 25 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_draw.h b/src/gallium/auxiliary/util/u_draw.h
new file mode 100644
index 0000000..b901f97
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_draw.h
@@ -0,0 +1,140 @@
+/**************************************************************************
+ *
+ * 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_DRAW_H
+#define U_DRAW_H
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_context.h"
+
+
+static INLINE void
+util_draw_init_info(struct pipe_draw_info *info)
+{
+   memset(info, 0, sizeof(*info));
+   info->instance_count = 1;
+   info->max_index = 0xffffffff;
+}
+
+
+static INLINE void
+util_draw_arrays(struct pipe_context *pipe, uint mode, uint start, uint count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.min_index = start;
+   info.max_index = start + count - 1;
+
+   pipe->draw_vbo(pipe, &info);
+}
+
+static INLINE void
+util_draw_elements(struct pipe_context *pipe, int index_bias,
+                   uint mode, uint start, uint count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
+   info.indexed = TRUE;
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.index_bias = index_bias;
+
+   pipe->draw_vbo(pipe, &info);
+}
+
+static INLINE void
+util_draw_arrays_instanced(struct pipe_context *pipe,
+                           uint mode, uint start, uint count,
+                           uint start_instance,
+                           uint instance_count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.start_instance = start_instance;
+   info.instance_count = instance_count;
+   info.min_index = start;
+   info.max_index = start + count - 1;
+
+   pipe->draw_vbo(pipe, &info);
+}
+
+static INLINE void
+util_draw_elements_instanced(struct pipe_context *pipe,
+                             int index_bias,
+                             uint mode, uint start, uint count,
+                             uint start_instance,
+                             uint instance_count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
+   info.indexed = TRUE;
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.index_bias = index_bias;
+   info.start_instance = start_instance;
+   info.instance_count = instance_count;
+   info.min_index = start;
+   info.max_index = start + count - 1;
+
+   pipe->draw_vbo(pipe, &info);
+}
+
+static INLINE void
+util_draw_range_elements(struct pipe_context *pipe,
+                         int index_bias,
+                         uint min_index,
+                         uint max_index,
+                         uint mode, uint start, uint count)
+{
+   struct pipe_draw_info info;
+
+   util_draw_init_info(&info);
+   info.indexed = TRUE;
+   info.mode = mode;
+   info.start = start;
+   info.count = count;
+   info.index_bias = index_bias;
+   info.min_index = min_index;
+   info.max_index = max_index;
+
+   pipe->draw_vbo(pipe, &info);
+}
+
+#endif
diff --git a/src/gallium/auxiliary/util/u_draw_quad.h b/src/gallium/auxiliary/util/u_draw_quad.h
index 1c9f752..52994fe 100644
--- a/src/gallium/auxiliary/util/u_draw_quad.h
+++ b/src/gallium/auxiliary/util/u_draw_quad.h
@@ -39,31 +39,7 @@ extern "C" {
 
 struct pipe_resource;
 
-
-static INLINE void
-util_draw_init_info(struct pipe_draw_info *info)
-{
-   memset(info, 0, sizeof(*info));
-   info->instance_count = 1;
-   info->max_index = 0xffffffff;
-}
-
-
-static INLINE void
-util_draw_arrays(struct pipe_context *pipe, uint mode, uint start, uint count)
-{
-   struct pipe_draw_info info;
-
-   util_draw_init_info(&info);
-   info.mode = mode;
-   info.start = start;
-   info.count = count;
-   info.min_index = start;
-   info.max_index = start + count - 1;
-
-   pipe->draw_vbo(pipe, &info);
-}
-
+#include "util/u_draw.h"
 
 extern void 
 util_draw_vertex_buffer(struct pipe_context *pipe,