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/* |
* Mesa 3-D graphics library |
* |
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved. |
* Copyright (C) 2008 VMware, Inc. 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 |
* THE AUTHORS OR COPYRIGHT HOLDERS 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. |
*/ |
|
/** |
* \file config.h |
* Tunable configuration parameters. |
*/ |
|
#ifndef MESA_CONFIG_H_INCLUDED |
#define MESA_CONFIG_H_INCLUDED |
|
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/** |
* \name OpenGL implementation limits |
*/ |
/*@{*/ |
|
/** Maximum modelview matrix stack depth */ |
#define MAX_MODELVIEW_STACK_DEPTH 32 |
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/** Maximum projection matrix stack depth */ |
#define MAX_PROJECTION_STACK_DEPTH 32 |
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/** Maximum texture matrix stack depth */ |
#define MAX_TEXTURE_STACK_DEPTH 10 |
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/** Maximum attribute stack depth */ |
#define MAX_ATTRIB_STACK_DEPTH 16 |
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/** Maximum client attribute stack depth */ |
#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16 |
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/** Maximum recursion depth of display list calls */ |
#define MAX_LIST_NESTING 64 |
|
/** Maximum number of lights */ |
#define MAX_LIGHTS 8 |
|
/** |
* Maximum number of user-defined clipping planes supported by any driver in |
* Mesa. This is used to size arrays. |
*/ |
#define MAX_CLIP_PLANES 8 |
|
/** Maximum pixel map lookup table size */ |
#define MAX_PIXEL_MAP_TABLE 256 |
|
/** Maximum number of auxillary color buffers */ |
#define MAX_AUX_BUFFERS 1 |
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/** Maximum order (degree) of curves */ |
#define MAX_EVAL_ORDER 30 |
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/** Maximum Name stack depth */ |
#define MAX_NAME_STACK_DEPTH 64 |
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/** Minimum point size */ |
#define MIN_POINT_SIZE 1.0 |
/** Maximum point size */ |
#define MAX_POINT_SIZE 60.0 |
/** 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 memory to allow for a single texture image (in megabytes) */ |
#define MAX_TEXTURE_MBYTES 1024 |
|
/** Number of 1D/2D texture mipmap levels */ |
#define MAX_TEXTURE_LEVELS 15 |
|
/** Number of 3D texture mipmap levels */ |
#define MAX_3D_TEXTURE_LEVELS 15 |
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/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */ |
#define MAX_CUBE_TEXTURE_LEVELS 15 |
|
/** Maximum rectangular texture size - GL_NV_texture_rectangle */ |
#define MAX_TEXTURE_RECT_SIZE 16384 |
|
/** |
* Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array |
*/ |
#define MAX_ARRAY_TEXTURE_LAYERS 64 |
|
/** |
* Max number of texture coordinate units. This mainly just applies to |
* the fixed-function vertex code. This will be difficult to raise above |
* eight because of various vertex attribute bitvectors. |
*/ |
#define MAX_TEXTURE_COORD_UNITS 8 |
|
/** |
* Max number of texture image units. Also determines number of texture |
* samplers in shaders. |
*/ |
#define MAX_TEXTURE_IMAGE_UNITS 16 |
|
/** |
* Larger of MAX_TEXTURE_COORD_UNITS and MAX_TEXTURE_IMAGE_UNITS. |
* This value is only used for dimensioning arrays. |
* Either MAX_TEXTURE_COORD_UNITS or MAX_TEXTURE_IMAGE_UNITS (or the |
* corresponding ctx->Const.MaxTextureCoord/ImageUnits fields) should be |
* used almost everywhere else. |
*/ |
#define MAX_TEXTURE_UNITS ((MAX_TEXTURE_COORD_UNITS > MAX_TEXTURE_IMAGE_UNITS) ? MAX_TEXTURE_COORD_UNITS : MAX_TEXTURE_IMAGE_UNITS) |
|
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/** Maximum viewport size */ |
#define MAX_VIEWPORT_WIDTH 16384 |
#define MAX_VIEWPORT_HEIGHT 16384 |
|
/** 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 |
|
/** 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 14.0 |
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/** For any program target/extension */ |
/*@{*/ |
#define MAX_PROGRAM_INSTRUCTIONS (16 * 1024) |
|
/** |
* Per-program constants (power of two) |
* |
* \c MAX_PROGRAM_LOCAL_PARAMS and \c MAX_UNIFORMS are just the assembly shader |
* and GLSL shader names for the same thing. They should \b always have the |
* same value. Each refers to the number of vec4 values supplied as |
* per-program parameters. |
*/ |
/*@{*/ |
#define MAX_PROGRAM_LOCAL_PARAMS 4096 |
#define MAX_UNIFORMS 4096 |
#define MAX_UNIFORM_BUFFERS 15 /* + 1 default uniform buffer */ |
/* 6 is for vertex, hull, domain, geometry, fragment, and compute shader. */ |
#define MAX_COMBINED_UNIFORM_BUFFERS (MAX_UNIFORM_BUFFERS * 6) |
/*@}*/ |
|
/** |
* Per-context constants (power of two) |
* |
* \note |
* This value should always be less than or equal to \c MAX_PROGRAM_LOCAL_PARAMS |
* and \c MAX_VERTEX_PROGRAM_PARAMS. Otherwise some applications will make |
* incorrect assumptions. |
*/ |
#define MAX_PROGRAM_ENV_PARAMS 256 |
|
#define MAX_PROGRAM_MATRICES 8 |
#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4 |
#define MAX_PROGRAM_CALL_DEPTH 8 |
#define MAX_PROGRAM_TEMPS 256 |
#define MAX_PROGRAM_ADDRESS_REGS 1 |
#define MAX_VARYING 32 /**< number of float[4] vectors */ |
#define MAX_SAMPLERS MAX_TEXTURE_IMAGE_UNITS |
#define MAX_PROGRAM_INPUTS 32 |
#define MAX_PROGRAM_OUTPUTS 64 |
/*@}*/ |
|
/** For GL_ARB_vertex_program */ |
/*@{*/ |
#define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1 |
#define MAX_VERTEX_PROGRAM_PARAMS MAX_UNIFORMS |
/*@}*/ |
|
/** For GL_ARB_fragment_program */ |
/*@{*/ |
#define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 0 |
/*@}*/ |
|
/** 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 |
/*@}*/ |
|
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/** For GL_ARB_vertex_shader */ |
/*@{*/ |
#define MAX_VERTEX_GENERIC_ATTRIBS 16 |
/* 6 is for vertex, hull, domain, geometry, fragment, and compute shader. */ |
#define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_TEXTURE_IMAGE_UNITS * 6) |
/*@}*/ |
|
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/** For GL_ARB_draw_buffers */ |
/*@{*/ |
#define MAX_DRAW_BUFFERS 8 |
/*@}*/ |
|
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/** For GL_EXT_framebuffer_object */ |
/*@{*/ |
#define MAX_COLOR_ATTACHMENTS 8 |
#define MAX_RENDERBUFFER_SIZE 16384 |
/*@}*/ |
|
/** For GL_ATI_envmap_bump - support bump mapping on first 8 units */ |
#define SUPPORTED_ATI_BUMP_UNITS 0xff |
|
/** For GL_EXT_transform_feedback */ |
#define MAX_FEEDBACK_BUFFERS 4 |
#define MAX_FEEDBACK_ATTRIBS 32 |
|
/** For GL_ARB_geometry_shader4 */ |
/*@{*/ |
#define MAX_GEOMETRY_UNIFORM_COMPONENTS 512 |
#define MAX_GEOMETRY_OUTPUT_VERTICES 256 |
#define MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 1024 |
/*@}*/ |
|
/** For GL_ARB_debug_output */ |
/*@{*/ |
#define MAX_DEBUG_LOGGED_MESSAGES 10 |
#define MAX_DEBUG_MESSAGE_LENGTH 4096 |
/*@}*/ |
|
|
/* |
* 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 |
|
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/** |
* 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) |
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#endif /* MESA_CONFIG_H_INCLUDED */ |