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- /* $Id: config.h,v 1.1.1.1 1999/08/19 00:55:41 jtg Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 3.1
- *
- * Copyright (C) 1999 Brian Paul 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, 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 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
- * BRIAN PAUL 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.
- */
-
-
-
-
-
-
- /*
- * Tunable configuration parameters.
- */
-
-
-
- #ifndef CONFIG_H
- #define CONFIG_H
-
- #ifdef HAVE_CONFIG_H
- #include "conf.h"
- #endif
-
- /*
- *
- * OpenGL implementation limits
- *
- */
-
-
- /* Maximum modelview matrix stack depth: */
- #define MAX_MODELVIEW_STACK_DEPTH 32
-
- /* Maximum projection matrix stack depth: */
- #define MAX_PROJECTION_STACK_DEPTH 32
-
- /* Maximum texture matrix stack depth: */
- #define MAX_TEXTURE_STACK_DEPTH 10
-
- /* Maximum attribute stack depth: */
- #define MAX_ATTRIB_STACK_DEPTH 16
-
- /* Maximum client attribute stack depth: */
- #define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
-
- /* Maximum recursion depth of display list calls: */
- #define MAX_LIST_NESTING 64
-
- /* Maximum number of lights: */
- #define MAX_LIGHTS 8
-
- /* Maximum user-defined clipping planes: */
- #define MAX_CLIP_PLANES 6
-
- /* Maximum pixel map lookup table size: */
- #define MAX_PIXEL_MAP_TABLE 256
-
- /* Number of auxillary color buffers: */
- #define NUM_AUX_BUFFERS 0
-
- /* Maximum order (degree) of curves: */
- #ifdef AMIGA
- # define MAX_EVAL_ORDER 12
- #else
- # define MAX_EVAL_ORDER 30
- #endif
-
- /* Maximum Name stack depth */
- #define MAX_NAME_STACK_DEPTH 64
-
- /* Min and Max point sizes and granularity */
- #define MIN_POINT_SIZE 1.0
- #define MAX_POINT_SIZE 10.0
- #define POINT_SIZE_GRANULARITY 0.1
-
- /* Min and Max line widths and granularity */
- #define MIN_LINE_WIDTH 1.0
- #define MAX_LINE_WIDTH 10.0
- #define LINE_WIDTH_GRANULARITY 1.0
-
- /* Max texture palette size */
- #define MAX_TEXTURE_PALETTE_SIZE 256
-
- /* Number of texture levels */
- #define MAX_TEXTURE_LEVELS 12
-
- /* Number of texture units - GL_ARB_multitexture */
- #define MAX_TEXTURE_UNITS 2
-
- /* Maximum viewport size: */
- #define MAX_WIDTH 1600
- #define MAX_HEIGHT 1200
-
- /* Maxmimum size for CVA. May be overridden by the drivers. */
- #define MAX_ARRAY_LOCK_SIZE 3000
-
-
- /*
- *
- * Mesa-specific parameters
- *
- */
-
-
- /*
- * Bits per accumulation buffer color component: 8 or 16
- */
- #define ACCUM_BITS 16
-
-
- #ifdef MESAD3D
- /* Mesa / Direct3D driver only */
- extern float g_DepthScale, g_MaxDepth;
- # define DEPTH_BITS 32
- # define DEPTH_SCALE g_DepthScale
- # define MAX_DEPTH g_MaxDepth
- #else
- /*
- * Bits per depth buffer value: 16 or 32
- */
- # define DEPTH_BITS 16
- # if DEPTH_BITS==16
- # define MAX_DEPTH 0xffff
- # define DEPTH_SCALE 65535.0F
- # elif DEPTH_BITS==32
- # define MAX_DEPTH 0x3fffffff
- # define DEPTH_SCALE ((GLfloat) MAX_DEPTH)
- # else
- # error "illegal number of depth bits"
- # endif
- #endif
-
-
- /*
- * Bits per stencil value: 8
- */
- #define STENCIL_BITS 8
-
-
- /*
- * Bits per color channel (must be 8 at this time!)
- */
- #define CHAN_BITS 8
-
-
-
- /*
- * Color channel component order
- * (changes will almost certainly cause problems at this time)
- */
- #define RCOMP 0
- #define GCOMP 1
- #define BCOMP 2
- #define ACOMP 3
-
-
-
- /* Vertex buffer size. KW: no restrictions on the divisibility of
- * this number, though things may go better for you if you choose a
- * value of 12n + 3.
- */
-
- #define VB_START 3
-
- #if defined(FX) && !defined(MITS)
- # define VB_MAX 72 + VB_START /* better performance */
- #else
- # define VB_MAX 480 + VB_START
- #endif
-
- /*
- * Actual vertex buffer size.
- *
- * Arrays must also accomodate new vertices from clipping, and
- * potential overflow from primitives which don't fit into neatly into
- * VB_MAX vertices. (This only happens when mixed primitives are
- * sharing the vb).
- */
- #define VB_MAX_CLIPPED_VERTS (2 * (6 + MAX_CLIP_PLANES))
- #define VB_SIZE (VB_MAX + VB_MAX_CLIPPED_VERTS)
-
-
- /*
- *
- * For X11 driver only:
- *
- */
-
- /*
- * When defined, use 6x6x6 dithering instead of 5x9x5.
- * 5x9x5 better for general colors, 6x6x6 better for grayscale.
- */
- /*#define DITHER666*/
-
-
-
- typedef struct gl_context GLcontext;
-
- extern void gl_read_config_file( struct gl_context *ctx );
-
- #endif
-