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229 lines
5.5 KiB
C
229 lines
5.5 KiB
C
/*
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* Mesa 3-D graphics library
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* Version: 7.5
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*
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* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
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* Copyright (C) 2008 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file config.h
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* Tunable configuration parameters.
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*/
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#ifndef MESA_CONFIG_H_INCLUDED
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#define MESA_CONFIG_H_INCLUDED
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/**
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* \name OpenGL implementation limits
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*/
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/*@{*/
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/** Maximum modelview matrix stack depth */
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#define MAX_MODELVIEW_STACK_DEPTH 32
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/** Maximum projection matrix stack depth */
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#define MAX_PROJECTION_STACK_DEPTH 32
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/** Maximum texture matrix stack depth */
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#define MAX_TEXTURE_STACK_DEPTH 10
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/** Maximum color matrix stack depth */
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#define MAX_COLOR_STACK_DEPTH 4
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/** Maximum attribute stack depth */
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#define MAX_ATTRIB_STACK_DEPTH 16
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/** Maximum client attribute stack depth */
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#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
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/** Maximum recursion depth of display list calls */
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#define MAX_LIST_NESTING 64
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/** Maximum number of lights */
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#define MAX_LIGHTS 8
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/**
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* Maximum number of user-defined clipping planes supported by any driver in
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* Mesa. This is used to size arrays.
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*/
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#define MAX_CLIP_PLANES 8
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/** Maximum pixel map lookup table size */
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#define MAX_PIXEL_MAP_TABLE 256
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/** Maximum number of auxillary color buffers */
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#define MAX_AUX_BUFFERS 1
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/** Maximum order (degree) of curves */
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#ifdef AMIGA
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# define MAX_EVAL_ORDER 12
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#else
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# define MAX_EVAL_ORDER 30
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#endif
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/** Maximum Name stack depth */
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#define MAX_NAME_STACK_DEPTH 64
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/** Minimum point size */
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#define MIN_POINT_SIZE 1.0
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/** Maximum point size */
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#define MAX_POINT_SIZE 60.0
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/** Point size granularity */
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#define POINT_SIZE_GRANULARITY 0.1
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/** Minimum line width */
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#define MIN_LINE_WIDTH 1.0
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/** Maximum line width */
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#define MAX_LINE_WIDTH 10.0
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/** Line width granularity */
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#define LINE_WIDTH_GRANULARITY 0.1
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/** Max memory to allow for a single texture image (in megabytes) */
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#define MAX_TEXTURE_MBYTES 1024
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/** Number of 1D/2D texture mipmap levels */
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#define MAX_TEXTURE_LEVELS 15
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/** Number of 3D texture mipmap levels */
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#define MAX_3D_TEXTURE_LEVELS 15
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/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
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#define MAX_CUBE_TEXTURE_LEVELS 15
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/**
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* Maximum viewport/image width. Must accomodate all texture sizes too.
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*/
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#ifndef MAX_WIDTH
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# define MAX_WIDTH 16384
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#endif
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/** Maximum viewport/image height */
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#ifndef MAX_HEIGHT
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# define MAX_HEIGHT 16384
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#endif
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/* XXX: hack to prevent stack overflow on windows until all temporary arrays
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* [MAX_WIDTH] are allocated from the heap */
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#ifdef WIN32
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#undef MAX_TEXTURE_LEVELS
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#undef MAX_3D_TEXTURE_LEVELS
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#undef MAX_CUBE_TEXTURE_LEVELS
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#undef MAX_TEXTURE_RECT_SIZE
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#undef MAX_WIDTH
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#undef MAX_HEIGHT
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#define MAX_TEXTURE_LEVELS 13
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#define MAX_CUBE_TEXTURE_LEVELS 13
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#define MAX_WIDTH 4096
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#define MAX_HEIGHT 4096
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#endif
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/** Maxmimum size for CVA. May be overridden by the drivers. */
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#define MAX_ARRAY_LOCK_SIZE 3000
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/** Subpixel precision for antialiasing, window coordinate snapping */
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#define SUB_PIXEL_BITS 4
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/** Size of histogram tables */
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#define HISTOGRAM_TABLE_SIZE 256
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/** Max convolution filter width */
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#define MAX_CONVOLUTION_WIDTH 9
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/** Max convolution filter height */
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#define MAX_CONVOLUTION_HEIGHT 9
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/** For GL_EXT_texture_filter_anisotropic */
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#define MAX_TEXTURE_MAX_ANISOTROPY 16.0
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#define MAX_NV_VERTEX_PROGRAM_INPUTS 16
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/** For GL_EXT_framebuffer_object */
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/*@{*/
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#define MAX_COLOR_ATTACHMENTS 8
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/*@}*/
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/** For GL_ATI_envmap_bump - support bump mapping on first 8 units */
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#define SUPPORTED_ATI_BUMP_UNITS 0xff
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/**
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* \name Mesa-specific parameters
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*/
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/*@{*/
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/**
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* If non-zero use GLdouble for walking triangle edges, for better accuracy.
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*/
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#define TRIANGLE_WALK_DOUBLE 0
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/**
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* Bits per depth buffer value (max is 32).
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*/
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#ifndef DEFAULT_SOFTWARE_DEPTH_BITS
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#define DEFAULT_SOFTWARE_DEPTH_BITS 16
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#endif
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/** Depth buffer data type */
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#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
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#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
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#else
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#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
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#endif
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/**
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* Bits per stencil value: 8
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*/
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#define STENCIL_BITS 8
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/**
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* For swrast, bits per color channel: 8, 16 or 32
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*/
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#ifndef CHAN_BITS
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#define CHAN_BITS 8
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#endif
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/*
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* Color channel component order
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*
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* \note Changes will almost certainly cause problems at this time.
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*/
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#define RCOMP 0
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#define GCOMP 1
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#define BCOMP 2
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#define ACOMP 3
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/**
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* Maximum number of temporary vertices required for clipping.
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*
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* Used in array_cache and tnl modules.
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*/
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#define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)
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#endif /* MESA_CONFIG_H_INCLUDED */
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