diff options
Diffstat (limited to 'src/mesa/main/config.h')
| -rw-r--r-- | src/mesa/main/config.h | 53 |
1 files changed, 27 insertions, 26 deletions
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h index 424ed60b571..cf1198cd0d5 100644 --- a/src/mesa/main/config.h +++ b/src/mesa/main/config.h @@ -1,13 +1,9 @@ -/** - * \file config.h - * Tunable configuration parameters. - */ - /* * Mesa 3-D graphics library - * Version: 7.1 + * Version: 7.3 * * 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"), @@ -27,6 +23,10 @@ * 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 @@ -115,27 +115,28 @@ /** Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array */ #define MAX_ARRAY_TEXTURE_LAYERS 64 -/** 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 - -/*@}*/ +/** + * 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 /** - * \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. + * 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_COORD_UNITS 8 -#define MAX_TEXTURE_IMAGE_UNITS 8 -/*@}*/ +#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. @@ -192,7 +193,7 @@ #define MAX_PROGRAM_ADDRESS_REGS 2 #define MAX_UNIFORMS 256 /**< number of vec4 uniforms */ #define MAX_VARYING 8 /**< number of float[4] vectors */ -#define MAX_SAMPLERS 8 +#define MAX_SAMPLERS MAX_TEXTURE_IMAGE_UNITS #define MAX_PROGRAM_INPUTS 32 #define MAX_PROGRAM_OUTPUTS 32 /*@}*/ @@ -220,8 +221,8 @@ /** 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) +#define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS +#define MAX_COMBINED_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS /*@}*/ |