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authorKeith Whitwell <keithw@vmware.com>2010-07-30 10:47:20 +0100
committerKeith Whitwell <keithw@vmware.com>2010-07-30 10:47:20 +0100
commitf623d06c495c671f687d4a70c9281c64e5875232 (patch)
tree78542f13b24f1f0ba863e12e42440b26fa1b4349 /src/gallium/auxiliary/util/u_draw.h
parent3fdd9fa556e9ba48244cb2b3966d3bfb0b84731b (diff)
util: more helpers for old draw code
Diffstat (limited to 'src/gallium/auxiliary/util/u_draw.h')
-rw-r--r--src/gallium/auxiliary/util/u_draw.h140
1 files changed, 140 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_draw.h b/src/gallium/auxiliary/util/u_draw.h
new file mode 100644
index 00000000000..b901f970089
--- /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