Checkpoint of new vbo-building code. Currently builds regular arrays

rather than VBO's - VBOs are easy but need to look closer at the
driver interface.  The trivial/tri demo works.

1 files changed, 131 insertions, 0 deletions

diff --git a/src/mesa/vbo/vbo_attrib.h b/src/mesa/vbo/vbo_attrib.h
new file mode 100644
index 00000000000..caedbd5ea69
--- /dev/null
+++ b/src/mesa/vbo/vbo_attrib.h
@@ -0,0 +1,131 @@
+/*
+ Copyright (C) Intel Corp.  2006.  All Rights Reserved.
+ Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ develop this 3D driver.
+ 
+ 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, sublicense, 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 NONINFRINGEMENT.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+ 
+ **********************************************************************/
+ /*
+  * Authors:
+  *   Keith Whitwell <[email protected]>
+  */
+
+#ifndef VBO_ATTRIB_H
+#define VBO_ATTRIB_H
+
+
+/*
+ * Note: The first attributes match the VERT_ATTRIB_* definitions
+ * in mtypes.h.  However, the tnl module has additional attributes
+ * for materials, color indexes, edge flags, etc.
+ */
+/* Although it's nice to use these as bit indexes in a DWORD flag, we
+ * could manage without if necessary.  Another limit currently is the
+ * number of bits allocated for these numbers in places like vertex
+ * program instruction formats and register layouts.
+ */
+enum {
+	VBO_ATTRIB_POS = 0,
+	VBO_ATTRIB_WEIGHT = 1,
+	VBO_ATTRIB_NORMAL = 2,
+	VBO_ATTRIB_COLOR0 = 3,
+	VBO_ATTRIB_COLOR1 = 4,
+	VBO_ATTRIB_FOG = 5,
+	VBO_ATTRIB_INDEX = 6,        
+	VBO_ATTRIB_EDGEFLAG = 7,     
+	VBO_ATTRIB_TEX0 = 8,
+	VBO_ATTRIB_TEX1 = 9,
+	VBO_ATTRIB_TEX2 = 10,
+	VBO_ATTRIB_TEX3 = 11,
+	VBO_ATTRIB_TEX4 = 12,
+	VBO_ATTRIB_TEX5 = 13,
+	VBO_ATTRIB_TEX6 = 14,
+	VBO_ATTRIB_TEX7 = 15,
+
+	VBO_ATTRIB_GENERIC0 = 16, /* Not used? */
+	VBO_ATTRIB_GENERIC1 = 17,
+	VBO_ATTRIB_GENERIC2 = 18,
+	VBO_ATTRIB_GENERIC3 = 19,
+	VBO_ATTRIB_GENERIC4 = 20,
+	VBO_ATTRIB_GENERIC5 = 21,
+	VBO_ATTRIB_GENERIC6 = 22,
+	VBO_ATTRIB_GENERIC7 = 23,
+	VBO_ATTRIB_GENERIC8 = 24,
+	VBO_ATTRIB_GENERIC9 = 25,
+	VBO_ATTRIB_GENERIC10 = 26,
+	VBO_ATTRIB_GENERIC11 = 27,
+	VBO_ATTRIB_GENERIC12 = 28,
+	VBO_ATTRIB_GENERIC13 = 29,
+	VBO_ATTRIB_GENERIC14 = 30,
+	VBO_ATTRIB_GENERIC15 = 31,
+
+	/* XXX: in the vertex program InputsRead flag, we alias
+	 * materials and generics and use knowledge about the program
+	 * (whether it is a fixed-function emulation) to
+	 * differentiate.  Here we must keep them apart instead.
+	 */
+	VBO_ATTRIB_MAT_FRONT_AMBIENT = 32, 
+	VBO_ATTRIB_MAT_BACK_AMBIENT = 33,
+	VBO_ATTRIB_MAT_FRONT_DIFFUSE = 34,
+	VBO_ATTRIB_MAT_BACK_DIFFUSE = 35,
+	VBO_ATTRIB_MAT_FRONT_SPECULAR = 36,
+	VBO_ATTRIB_MAT_BACK_SPECULAR = 37,
+	VBO_ATTRIB_MAT_FRONT_EMISSION = 38,
+	VBO_ATTRIB_MAT_BACK_EMISSION = 39,
+	VBO_ATTRIB_MAT_FRONT_SHININESS = 40,
+	VBO_ATTRIB_MAT_BACK_SHININESS = 41,
+	VBO_ATTRIB_MAT_FRONT_INDEXES = 42,
+	VBO_ATTRIB_MAT_BACK_INDEXES = 43, 
+
+	VBO_ATTRIB_MAX = 44
+};
+
+#define VBO_ATTRIB_FIRST_MATERIAL VBO_ATTRIB_MAT_FRONT_AMBIENT
+
+#define VBO_MAX_COPIED_VERTS 3
+
+struct _mesa_prim {
+   GLuint mode:8;
+   GLuint indexed:1;
+   GLuint begin:1;
+   GLuint end:1;
+   GLuint weak:1;
+   GLuint pad:20;
+
+   GLuint start;
+   GLuint count;
+};
+
+/* Would like to call this a "vbo_index_buffer", but this would be
+ * confusing as the indices are not neccessarily yet in a non-null
+ * buffer object.
+ */
+struct _mesa_index_buffer {
+   GLuint count;
+   GLenum type;
+   struct gl_buffer_object *obj;
+   const void *ptr;
+   GLuint rebase;
+};
+
+
+#endif