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| /* |
| * Mesa 3-D graphics library |
| * Version: 7.5 |
| * |
| * 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 |
| * 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. |
| */ |
| |
| /** |
| * \file config.h |
| * Tunable configuration parameters. |
| */ |
| |
| #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 1 |
| |
| /** 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 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 texture palette / color table size */ |
| #define MAX_COLOR_TABLE_SIZE 256 |
| |
| /** 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 |
| |
| /** 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) |
| |
| |
| /** |
| * Maximum viewport/image width. Must accomodate all texture sizes too. |
| */ |
| |
| #ifndef MAX_WIDTH |
| # define MAX_WIDTH 16384 |
| #endif |
| /** Maximum viewport/image height */ |
| #ifndef MAX_HEIGHT |
| # define MAX_HEIGHT 16384 |
| #endif |
| |
| /* XXX: hack to prevent stack overflow on windows until all temporary arrays |
| * [MAX_WIDTH] are allocated from the heap */ |
| #ifdef WIN32 |
| #undef MAX_TEXTURE_LEVELS |
| #undef MAX_3D_TEXTURE_LEVELS |
| #undef MAX_CUBE_TEXTURE_LEVELS |
| #undef MAX_TEXTURE_RECT_SIZE |
| #undef MAX_WIDTH |
| #undef MAX_HEIGHT |
| #define MAX_TEXTURE_LEVELS 13 |
| #define MAX_3D_TEXTURE_LEVELS 9 |
| #define MAX_CUBE_TEXTURE_LEVELS 13 |
| #define MAX_TEXTURE_RECT_SIZE 4096 |
| #define MAX_WIDTH 4096 |
| #define MAX_HEIGHT 4096 |
| #endif |
| |
| /** 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 14.0 |
| |
| /** 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 1024 |
| #define MAX_UNIFORMS 1024 |
| /*@}*/ |
| |
| /** |
| * 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 2 |
| #define MAX_VARYING 16 /**< 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_vertex_program */ |
| /*@{*/ |
| #define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128 |
| #define MAX_NV_VERTEX_PROGRAM_TEMPS 12 |
| #define MAX_NV_VERTEX_PROGRAM_PARAMS 96 |
| #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_shader */ |
| /*@{*/ |
| #define MAX_VERTEX_GENERIC_ATTRIBS 16 |
| #define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS |
| #define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_VERTEX_TEXTURE_IMAGE_UNITS + \ |
| MAX_TEXTURE_IMAGE_UNITS) |
| /*@}*/ |
| |
| |
| /** For GL_ARB_draw_buffers */ |
| /*@{*/ |
| #define MAX_DRAW_BUFFERS 8 |
| /*@}*/ |
| |
| |
| /** For GL_EXT_framebuffer_object */ |
| /*@{*/ |
| #define MAX_COLOR_ATTACHMENTS 8 |
| /*@}*/ |
| |
| /** 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_ATTRIBS 32 |
| |
| /** For GL_ARB_geometry_shader4 */ |
| /*@{*/ |
| #define MAX_GEOMETRY_TEXTURE_IMAGE_UNITS 8 |
| #define MAX_GEOMETRY_VARYING_COMPONENTS 32 |
| #define MAX_VERTEX_VARYING_COMPONENTS 32 |
| #define MAX_GEOMETRY_UNIFORM_COMPONENTS 512 |
| #define MAX_GEOMETRY_OUTPUT_VERTICES 256 |
| #define MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 1024 |
| /*@}*/ |
| |
| |
| /** |
| * \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 |
| |
| |
| /** |
| * 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 */ |