-/* $Id: config.h,v 1.13 2000/05/07 20:41:30 brianp Exp $ */
+/**
+ * \file config.h
+ * Tunable configuration parameters.
+ */
/*
* Mesa 3-D graphics library
- * Version: 3.3
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ * Version: 6.3
+ *
+ * Copyright (C) 1999-2005 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
*/
-/*
- * Tunable configuration parameters.
- */
-
-
-
#ifndef CONFIG_H
#define CONFIG_H
#endif
-/*
- * OpenGL implementation limits
+/**
+ * \name OpenGL implementation limits
*/
+/*@{*/
-/* Maximum modelview matrix stack depth: */
+/** Maximum modelview matrix stack depth */
#define MAX_MODELVIEW_STACK_DEPTH 32
-/* Maximum projection matrix stack depth: */
+/** Maximum projection matrix stack depth */
#define MAX_PROJECTION_STACK_DEPTH 32
-/* Maximum texture matrix stack depth: */
+/** Maximum texture matrix stack depth */
#define MAX_TEXTURE_STACK_DEPTH 10
-/* Maximum color matrix stack depth: */
+/** Maximum color matrix stack depth */
#define MAX_COLOR_STACK_DEPTH 4
-/* Maximum attribute stack depth: */
+/** Maximum attribute stack depth */
#define MAX_ATTRIB_STACK_DEPTH 16
-/* Maximum client attribute stack depth: */
+/** Maximum client attribute stack depth */
#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
-/* Maximum recursion depth of display list calls: */
+/** Maximum recursion depth of display list calls */
#define MAX_LIST_NESTING 64
-/* Maximum number of lights: */
+/** Maximum number of lights */
#define MAX_LIGHTS 8
-/* Maximum user-defined clipping planes: */
+/** Maximum user-defined clipping planes */
#define MAX_CLIP_PLANES 6
-/* Maximum pixel map lookup table size: */
+/** Maximum pixel map lookup table size */
#define MAX_PIXEL_MAP_TABLE 256
-/* Number of auxillary color buffers: */
-#define NUM_AUX_BUFFERS 0
+/** Maximum number of auxillary color buffers */
+#define MAX_AUX_BUFFERS 4
-/* Maximum order (degree) of curves: */
+/** Maximum order (degree) of curves */
#ifdef AMIGA
# define MAX_EVAL_ORDER 12
#else
# define MAX_EVAL_ORDER 30
#endif
-/* Maximum Name stack depth */
+/** Maximum Name stack depth */
#define MAX_NAME_STACK_DEPTH 64
-/* Min and Max point sizes and granularity */
+/** Minimum point size */
#define MIN_POINT_SIZE 1.0
-#define MAX_POINT_SIZE 10.0
+/** Maximum point size */
+#define MAX_POINT_SIZE 20.0
+/** Point size granularity */
#define POINT_SIZE_GRANULARITY 0.1
-/* Min and Max line widths and granularity */
+/** Minimum line width */
#define MIN_LINE_WIDTH 1.0
+/** Maximum line width */
#define MAX_LINE_WIDTH 10.0
+/** Line width granularity */
#define LINE_WIDTH_GRANULARITY 0.1
-/* Max texture palette / color table size */
+/** Max texture palette / color table size */
#define MAX_COLOR_TABLE_SIZE 256
-/* Number of texture levels */
+/** Number of 1D/2D texture mipmap levels */
#define MAX_TEXTURE_LEVELS 12
-/* Number of texture units - GL_ARB_multitexture */
-#define MAX_TEXTURE_UNITS 2
+/** Number of 3D texture mipmap levels */
+#define MAX_3D_TEXTURE_LEVELS 9
+
+/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
+#define MAX_CUBE_TEXTURE_LEVELS 12
+
+/** Maximum rectangular texture size - GL_NV_texture_rectangle */
+#define MAX_TEXTURE_RECT_SIZE 2048
+
+/** Number of texture units - GL_ARB_multitexture */
+#define MAX_TEXTURE_UNITS 8
-/* Maximum viewport size: */
-#define MAX_WIDTH 1600
-#define MAX_HEIGHT 1200
+/*@}*/
+
+
+/**
+ * \name Separate numbers of texture coordinates and texture image units.
+ *
+ * These values will eventually replace most instances of MAX_TEXTURE_UNITS.
+ * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS.
+ * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS.
+ */
+/*@{*/
+#define MAX_TEXTURE_COORD_UNITS 8
+#define MAX_TEXTURE_IMAGE_UNITS 8
+/*@}*/
+
+/**
+ * Maximum viewport/image width. Must accomodate all texture sizes too.
+ */
+#define MAX_WIDTH 4096
+/** Maximum viewport/image height */
+#define MAX_HEIGHT 4096
-/* Maxmimum size for CVA. May be overridden by the drivers. */
+/** Maxmimum size for CVA. May be overridden by the drivers. */
#define MAX_ARRAY_LOCK_SIZE 3000
-/* Subpixel precision for antialiasing, window coordinate snapping */
+/** Subpixel precision for antialiasing, window coordinate snapping */
#define SUB_PIXEL_BITS 4
-/* Size of histogram tables */
+/** Size of histogram tables */
#define HISTOGRAM_TABLE_SIZE 256
-/* Max convolution filter sizes */
-#define MAX_CONVOLUTION_WIDTH 5
-#define MAX_CONVOLUTION_HEIGHT 5
+/** Max convolution filter width */
+#define MAX_CONVOLUTION_WIDTH 9
+/** Max convolution filter height */
+#define MAX_CONVOLUTION_HEIGHT 9
+
+/** For GL_ARB_texture_compression */
+#define MAX_COMPRESSED_TEXTURE_FORMATS 25
+
+/** For GL_EXT_texture_filter_anisotropic */
+#define MAX_TEXTURE_MAX_ANISOTROPY 16.0
+
+/** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */
+#define MAX_TEXTURE_LOD_BIAS 11.0
+
+/** For GL_NV_vertex_program */
+/*@{*/
+#define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
+#define MAX_NV_VERTEX_PROGRAM_TEMPS 12
+#define MAX_NV_VERTEX_PROGRAM_PARAMS 128 /* KW: power of two */
+#define MAX_NV_VERTEX_PROGRAM_INPUTS 16
+#define MAX_NV_VERTEX_PROGRAM_OUTPUTS 15
+/*@}*/
+
+/** For GL_NV_fragment_program */
+/*@{*/
+#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 128
+#define MAX_NV_FRAGMENT_PROGRAM_TEMPS 96
+#define MAX_NV_FRAGMENT_PROGRAM_PARAMS 64
+#define MAX_NV_FRAGMENT_PROGRAM_INPUTS 12
+#define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS 3
+#define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS 2
+/*@}*/
+
+/** For GL_ARB_vertex_program */
+/*@{*/
+#define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
+#define MAX_VERTEX_PROGRAM_ATTRIBS 16
+/*@}*/
+
+/** For GL_ARB_fragment_program */
+/*@{*/
+#define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 1
+#define MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS 48
+#define MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS 24
+#define MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS 4
+/*@}*/
+
+/** For any program target/extension */
+/*@{*/
+#define MAX_PROGRAM_LOCAL_PARAMS 128 /* KW: power of two */
+#define MAX_PROGRAM_MATRICES 8
+#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
+/*@}*/
+
+/** For GL_ARB_fragment_shader */
+/*@{*/
+#define MAX_FRAGMENT_UNIFORM_COMPONENTS 64
+/*@}*/
+
+/** For GL_ARB_vertex_shader */
+/*@{*/
+#define MAX_VERTEX_UNIFORM_COMPONENTS 512
+#define MAX_VARYING_FLOATS 32
+#define MAX_VERTEX_TEXTURE_IMAGE_UNITS 0
+#define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS)
+/*@}*/
+
+
+/** For GL_ARB_draw_buffers */
+/*@{*/
+#define MAX_DRAW_BUFFERS 1
+/*@}*/
+
+
+/** For GL_EXT_framebuffer_object */
+/*@{*/
+#define MAX_COLOR_ATTACHMENTS 8
+/*@}*/
+
+
+
+/**
+ * \name Mesa-specific parameters
+ */
+/*@{*/
-/*
- * Mesa-specific parameters
+/**
+ * If non-zero use GLdouble for walking triangle edges, for better accuracy.
*/
+#define TRIANGLE_WALK_DOUBLE 0
-
-/*
- * Bits per accumulation buffer color component: 8 or 16
+/**
+ * Bits per accumulation buffer color component: 8, 16 or 32
*/
#define ACCUM_BITS 16
-
-/*
- * Bits per depth buffer value: 16 or 32 (GLushort or GLuint)
- * gl_create_visual() can select any depth in [0, 32].
+/**
+ * Bits per depth buffer value.
+ *
+ * Any reasonable value up to 31 will work. 32 doesn't work because of integer
+ * overflow problems in the rasterizer code.
*/
+#ifndef DEFAULT_SOFTWARE_DEPTH_BITS
#define DEFAULT_SOFTWARE_DEPTH_BITS 16
+#endif
+/** Depth buffer data type */
+#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
+#else
+#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
+#endif
-
-/*
- * Bits per stencil value: 8
+/**
+ * Bits per stencil value: 8
*/
#define STENCIL_BITS 8
-/*
- * Bits per color channel (must be 8 at this time!)
+/**
+ * Bits per color channel: 8, 16 or 32
*/
+#ifndef CHAN_BITS
#define CHAN_BITS 8
-#define CHAN_MAX ((1 << CHAN_BITS) - 1)
-#define CHAN_MAXF ((GLfloat) CHAN_MAX)
+#endif
/*
* Color channel component order
- * (changes will almost certainly cause problems at this time)
+ *
+ * \note Changes will almost certainly cause problems at this time.
*/
#define RCOMP 0
#define GCOMP 1
#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.
+/*
+ * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1.
*/
-#define VB_START 3
-
-#define VB_MAX (216 + VB_START)
-
-
+#ifndef _HAVE_FULL_GL
+#define _HAVE_FULL_GL 1
+#endif
-/*
- * Actual vertex buffer size.
+#define FEATURE_ARB_vertex_buffer_object _HAVE_FULL_GL
+#define FEATURE_ARB_vertex_program _HAVE_FULL_GL
+#define FEATURE_ARB_fragment_program _HAVE_FULL_GL
+#define FEATURE_ARB_occlusion_query _HAVE_FULL_GL
+#define FEATURE_EXT_pixel_buffer_object _HAVE_FULL_GL
+#define FEATURE_MESA_program_debug _HAVE_FULL_GL
+#define FEATURE_NV_fence _HAVE_FULL_GL
+#define FEATURE_NV_fragment_program _HAVE_FULL_GL
+#define FEATURE_NV_vertex_program _HAVE_FULL_GL
+#define FEATURE_userclip _HAVE_FULL_GL
+#define FEATURE_texgen _HAVE_FULL_GL
+#define FEATURE_windowpos _HAVE_FULL_GL
+#define FEATURE_ARB_vertex_shader _HAVE_FULL_GL
+#define FEATURE_ARB_fragment_shader _HAVE_FULL_GL
+#define FEATURE_ARB_shader_objects (FEATURE_ARB_vertex_shader || FEATURE_ARB_fragment_shader)
+#define FEATURE_ARB_shading_language_100 FEATURE_ARB_shader_objects
+#define FEATURE_ATI_fragment_shader _HAVE_FULL_GL
+#define FEATURE_EXT_framebuffer_object _HAVE_FULL_GL
+/*@}*/
+
+
+/**
+ * Maximum number of temporary vertices required for clipping.
*
- * 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).
+ * Used in array_cache and tnl modules.
*/
-#define VB_MAX_CLIPPED_VERTS ((2 * (6 + MAX_CLIP_PLANES))+1)
-#define VB_SIZE (VB_MAX + VB_MAX_CLIPPED_VERTS)
+#define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)
+/* XXX these are temporary */
+#define NEW_RENDERBUFFER 1
+#define OLD_RENDERBUFFER 1
-typedef struct gl_context GLcontext;
-extern void
-gl_read_config_file( struct gl_context *ctx );
-
-extern void
-gl_register_config_var(const char *name, void (*notify)( const char *, int ));
-
-#endif
+#endif /* CONFIG_H */
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