/** * \file config.h * Tunable configuration parameters. */ /* * Mesa 3-D graphics library * Version: 7.0 * * Copyright (C) 1999-2007 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. */ #ifndef MESA_CONFIG_H_INCLUDED #define MESA_CONFIG_H_INCLUDED /** * \name 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 color matrix stack depth */ #define MAX_COLOR_STACK_DEPTH 4 /** 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 /** Maximum number of auxillary color buffers */ #define MAX_AUX_BUFFERS 4 /** 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 /** Minimum point size */ #define MIN_POINT_SIZE 1.0 /** Maximum point size */ #define MAX_POINT_SIZE 20.0 /** Point size granularity */ #define POINT_SIZE_GRANULARITY 0.1 /** 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 */ #define MAX_COLOR_TABLE_SIZE 256 /** Number of 1D/2D texture mipmap levels */ #define MAX_TEXTURE_LEVELS 12 /** 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 * This needs to be the larger of MAX_TEXTURE_COORD_UNITS and * MAX_TEXTURE_IMAGE_UNITS seen below, since MAX_TEXTURE_UNITS is used * to dimension some arrays that store both coord and image data. */ #define MAX_TEXTURE_UNITS 8 /*@}*/ /** * \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. */ #define MAX_ARRAY_LOCK_SIZE 3000 /** Subpixel precision for antialiasing, window coordinate snapping */ #define SUB_PIXEL_BITS 4 /** Size of histogram tables */ #define HISTOGRAM_TABLE_SIZE 256 /** 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 1024 /* 72 for GL_ARB_f_p */ #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 0 #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_ENV_PARAMS 128 #define MAX_PROGRAM_MATRICES 8 #define MAX_PROGRAM_MATRIX_STACK_DEPTH 4 #define MAX_PROGRAM_CALL_DEPTH 8 #define MAX_PROGRAM_TEMPS 128 #define MAX_PROGRAM_ADDRESS_REGS 2 #define MAX_UNIFORMS 128 #define MAX_VARYING 8 /*@}*/ /** For GL_ARB_vertex_shader */ /*@{*/ #define MAX_VERTEX_ATTRIBS 16 #define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_UNITS #define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS) /*@}*/ /** For GL_ARB_draw_buffers */ /*@{*/ #define MAX_DRAW_BUFFERS 4 /*@}*/ /** For GL_EXT_framebuffer_object */ /*@{*/ #define MAX_COLOR_ATTACHMENTS 8 /*@}*/ /** * \name Mesa-specific parameters */ /*@{*/ /** * If non-zero use GLdouble for walking triangle edges, for better accuracy. */ #define TRIANGLE_WALK_DOUBLE 0 /** * Bits per depth buffer value (max is 32). */ #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 */ #define STENCIL_BITS 8 /** * Bits per color channel: 8, 16 or 32 */ #ifndef CHAN_BITS #define CHAN_BITS 8 #endif /* * Color channel component order * * \note Changes will almost certainly cause problems at this time. */ #define RCOMP 0 #define GCOMP 1 #define BCOMP 2 #define ACOMP 3 /* * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1. */ #ifndef _HAVE_FULL_GL #define _HAVE_FULL_GL 1 #endif #define FEATURE_userclip _HAVE_FULL_GL #define FEATURE_texgen _HAVE_FULL_GL #define FEATURE_windowpos _HAVE_FULL_GL #define FEATURE_ARB_occlusion_query _HAVE_FULL_GL #define FEATURE_ARB_fragment_program _HAVE_FULL_GL #define FEATURE_ARB_vertex_buffer_object _HAVE_FULL_GL #define FEATURE_ARB_vertex_program _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_ARB_shading_language_120 FEATURE_ARB_shader_objects #define FEATURE_EXT_framebuffer_blit _HAVE_FULL_GL #define FEATURE_EXT_framebuffer_object _HAVE_FULL_GL #define FEATURE_EXT_pixel_buffer_object _HAVE_FULL_GL #define FEATURE_EXT_texture_sRGB _HAVE_FULL_GL #define FEATURE_EXT_timer_query _HAVE_FULL_GL #define FEATURE_ATI_fragment_shader _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 /*@}*/ /** * Maximum number of temporary vertices required for clipping. * * Used in array_cache and tnl modules. */ #define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1) #endif /* MESA_CONFIG_H_INCLUDED */