721 lines
26 KiB
C
721 lines
26 KiB
C
/*
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* Copyright (C) 1999-2014 Brian Paul 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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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "glinfo_common.h"
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#ifdef _WIN32
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#define snprintf _snprintf
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#endif
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/**
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* Return the GL enum name for a numeric value.
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* We really only care about the compressed texture formats for now.
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*/
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static const char *
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enum_name(GLenum val)
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{
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static const struct {
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const char *name;
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GLenum val;
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} enums [] = {
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{ "GL_COMPRESSED_ALPHA", 0x84E9 },
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{ "GL_COMPRESSED_LUMINANCE", 0x84EA },
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{ "GL_COMPRESSED_LUMINANCE_ALPHA", 0x84EB },
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{ "GL_COMPRESSED_INTENSITY", 0x84EC },
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{ "GL_COMPRESSED_RGB", 0x84ED },
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{ "GL_COMPRESSED_RGBA", 0x84EE },
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{ "GL_COMPRESSED_TEXTURE_FORMATS", 0x86A3 },
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{ "GL_COMPRESSED_RGB", 0x84ED },
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{ "GL_COMPRESSED_RGBA", 0x84EE },
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{ "GL_COMPRESSED_TEXTURE_FORMATS", 0x86A3 },
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{ "GL_COMPRESSED_ALPHA", 0x84E9 },
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{ "GL_COMPRESSED_LUMINANCE", 0x84EA },
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{ "GL_COMPRESSED_LUMINANCE_ALPHA", 0x84EB },
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{ "GL_COMPRESSED_INTENSITY", 0x84EC },
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{ "GL_COMPRESSED_SRGB", 0x8C48 },
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{ "GL_COMPRESSED_SRGB_ALPHA", 0x8C49 },
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{ "GL_COMPRESSED_SLUMINANCE", 0x8C4A },
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{ "GL_COMPRESSED_SLUMINANCE_ALPHA", 0x8C4B },
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{ "GL_COMPRESSED_RED", 0x8225 },
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{ "GL_COMPRESSED_RG", 0x8226 },
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{ "GL_COMPRESSED_RED_RGTC1", 0x8DBB },
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{ "GL_COMPRESSED_SIGNED_RED_RGTC1", 0x8DBC },
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{ "GL_COMPRESSED_RG_RGTC2", 0x8DBD },
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{ "GL_COMPRESSED_SIGNED_RG_RGTC2", 0x8DBE },
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{ "GL_COMPRESSED_RGB8_ETC2", 0x9274 },
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{ "GL_COMPRESSED_SRGB8_ETC2", 0x9275 },
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{ "GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2", 0x9276 },
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{ "GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2", 0x9277 },
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{ "GL_COMPRESSED_RGBA8_ETC2_EAC", 0x9278 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC", 0x9279 },
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{ "GL_COMPRESSED_R11_EAC", 0x9270 },
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{ "GL_COMPRESSED_SIGNED_R11_EAC", 0x9271 },
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{ "GL_COMPRESSED_RG11_EAC", 0x9272 },
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{ "GL_COMPRESSED_SIGNED_RG11_EAC", 0x9273 },
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{ "GL_COMPRESSED_ALPHA_ARB", 0x84E9 },
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{ "GL_COMPRESSED_LUMINANCE_ARB", 0x84EA },
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{ "GL_COMPRESSED_LUMINANCE_ALPHA_ARB", 0x84EB },
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{ "GL_COMPRESSED_INTENSITY_ARB", 0x84EC },
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{ "GL_COMPRESSED_RGB_ARB", 0x84ED },
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{ "GL_COMPRESSED_RGBA_ARB", 0x84EE },
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{ "GL_COMPRESSED_TEXTURE_FORMATS_ARB", 0x86A3 },
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{ "GL_COMPRESSED_RGBA_BPTC_UNORM_ARB", 0x8E8C },
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{ "GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB", 0x8E8D },
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{ "GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB", 0x8E8E },
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{ "GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB", 0x8E8F },
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{ "GL_COMPRESSED_RGBA_ASTC_4x4_KHR", 0x93B0 },
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{ "GL_COMPRESSED_RGBA_ASTC_5x4_KHR", 0x93B1 },
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{ "GL_COMPRESSED_RGBA_ASTC_5x5_KHR", 0x93B2 },
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{ "GL_COMPRESSED_RGBA_ASTC_6x5_KHR", 0x93B3 },
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{ "GL_COMPRESSED_RGBA_ASTC_6x6_KHR", 0x93B4 },
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{ "GL_COMPRESSED_RGBA_ASTC_8x5_KHR", 0x93B5 },
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{ "GL_COMPRESSED_RGBA_ASTC_8x6_KHR", 0x93B6 },
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{ "GL_COMPRESSED_RGBA_ASTC_8x8_KHR", 0x93B7 },
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{ "GL_COMPRESSED_RGBA_ASTC_10x5_KHR", 0x93B8 },
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{ "GL_COMPRESSED_RGBA_ASTC_10x6_KHR", 0x93B9 },
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{ "GL_COMPRESSED_RGBA_ASTC_10x8_KHR", 0x93BA },
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{ "GL_COMPRESSED_RGBA_ASTC_10x10_KHR", 0x93BB },
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{ "GL_COMPRESSED_RGBA_ASTC_12x10_KHR", 0x93BC },
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{ "GL_COMPRESSED_RGBA_ASTC_12x12_KHR", 0x93BD },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR", 0x93D0 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR", 0x93D1 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR", 0x93D2 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR", 0x93D3 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR", 0x93D4 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR", 0x93D5 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR", 0x93D6 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR", 0x93D7 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR", 0x93D8 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR", 0x93D9 },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR", 0x93DA },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR", 0x93DB },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR", 0x93DC },
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{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR", 0x93DD },
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{ "GL_COMPRESSED_RGB_FXT1_3DFX", 0x86B0 },
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{ "GL_COMPRESSED_RGBA_FXT1_3DFX", 0x86B1 },
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{ "GL_COMPRESSED_LUMINANCE_LATC1_EXT", 0x8C70 },
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{ "GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT", 0x8C71 },
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{ "GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT", 0x8C72 },
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{ "GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT", 0x8C73 },
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{ "GL_COMPRESSED_RED_RGTC1_EXT", 0x8DBB },
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{ "GL_COMPRESSED_SIGNED_RED_RGTC1_EXT", 0x8DBC },
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{ "GL_COMPRESSED_RED_GREEN_RGTC2_EXT", 0x8DBD },
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{ "GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT", 0x8DBE },
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{ "GL_COMPRESSED_RGB_S3TC_DXT1_EXT", 0x83F0 },
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{ "GL_COMPRESSED_RGBA_S3TC_DXT1_EXT", 0x83F1 },
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{ "GL_COMPRESSED_RGBA_S3TC_DXT3_EXT", 0x83F2 },
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{ "GL_COMPRESSED_RGBA_S3TC_DXT5_EXT", 0x83F3 },
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{ "GL_COMPRESSED_SRGB_EXT", 0x8C48 },
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{ "GL_COMPRESSED_SRGB_ALPHA_EXT", 0x8C49 },
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{ "GL_COMPRESSED_SLUMINANCE_EXT", 0x8C4A },
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{ "GL_COMPRESSED_SLUMINANCE_ALPHA_EXT", 0x8C4B },
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{ "GL_COMPRESSED_SRGB_S3TC_DXT1_EXT", 0x8C4C },
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{ "GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT", 0x8C4D },
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{ "GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT", 0x8C4E },
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{ "GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT", 0x8C4F },
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{ "GL_PALETTE4_RGB8_OES", 0x8B90 },
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{ "GL_PALETTE4_RGBA8_OES", 0x8B91 },
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{ "GL_PALETTE4_R5_G6_B5_OES", 0x8B92 },
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{ "GL_PALETTE4_RGBA4_OES", 0x8B93 },
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{ "GL_PALETTE4_RGB5_A1_OES", 0x8B94 },
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{ "GL_PALETTE8_RGB8_OES", 0x8B95 },
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{ "GL_PALETTE8_RGBA8_OES", 0x8B96 },
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{ "GL_PALETTE8_R5_G6_B5_OES", 0x8B97 },
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{ "GL_PALETTE8_RGBA4_OES", 0x8B98 },
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{ "GL_PALETTE8_RGB5_A1_OES", 0x8B99 }
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};
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const int n = sizeof(enums) / sizeof(enums[0]);
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static char buffer[100];
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int i;
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for (i = 0; i < n; i++) {
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if (enums[i].val == val) {
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return enums[i].name;
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}
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}
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/* enum val not found, just print hexadecimal value into static buffer */
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snprintf(buffer, sizeof(buffer), "0x%x", val);
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return buffer;
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}
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/*
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* qsort callback for string comparison.
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*/
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static int
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compare_string_ptr(const void *p1, const void *p2)
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{
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return strcmp(* (char * const *) p1, * (char * const *) p2);
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}
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/*
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* Print a list of extensions, with word-wrapping.
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*/
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void
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print_extension_list(const char *ext, GLboolean singleLine)
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{
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char **extensions;
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int num_extensions;
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const char *indentString = " ";
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const int indent = 4;
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const int max = 79;
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int width, i, j, k;
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if (!ext || !ext[0])
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return;
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/* count the number of extensions, ignoring successive spaces */
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num_extensions = 0;
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j = 1;
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do {
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if ((ext[j] == ' ' || ext[j] == 0) && ext[j - 1] != ' ') {
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++num_extensions;
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}
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} while(ext[j++]);
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/* copy individual extensions to an array */
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extensions = malloc(num_extensions * sizeof *extensions);
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if (!extensions) {
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fprintf(stderr, "Error: malloc() failed\n");
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exit(1);
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}
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i = j = k = 0;
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while (1) {
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if (ext[j] == ' ' || ext[j] == 0) {
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/* found end of an extension name */
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const int len = j - i;
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if (len) {
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assert(k < num_extensions);
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extensions[k] = malloc(len + 1);
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if (!extensions[k]) {
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fprintf(stderr, "Error: malloc() failed\n");
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exit(1);
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}
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memcpy(extensions[k], ext + i, len);
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extensions[k][len] = 0;
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++k;
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};
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i += len + 1;
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if (ext[j] == 0) {
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break;
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}
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}
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j++;
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}
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assert(k == num_extensions);
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/* sort extensions alphabetically */
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qsort(extensions, num_extensions, sizeof extensions[0], compare_string_ptr);
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/* print the extensions */
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width = indent;
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printf("%s", indentString);
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for (k = 0; k < num_extensions; ++k) {
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const int len = strlen(extensions[k]);
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if ((!singleLine) && (width + len > max)) {
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/* start a new line */
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printf("\n");
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width = indent;
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printf("%s", indentString);
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}
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/* print the extension name */
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printf("%s", extensions[k]);
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/* either we're all done, or we'll continue with next extension */
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width += len + 1;
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if (singleLine) {
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printf("\n");
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width = indent;
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printf("%s", indentString);
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}
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else if (k < (num_extensions -1)) {
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printf(", ");
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width += 2;
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}
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}
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printf("\n");
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for (k = 0; k < num_extensions; ++k) {
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free(extensions[k]);
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}
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free(extensions);
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}
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/**
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* Get list of OpenGL extensions using core profile's glGetStringi().
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*/
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char *
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build_core_profile_extension_list(const struct ext_functions *extfuncs)
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{
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GLint i, n, totalLen;
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char *buffer;
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glGetIntegerv(GL_NUM_EXTENSIONS, &n);
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/* compute totalLen */
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totalLen = 0;
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for (i = 0; i < n; i++) {
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const char *ext = (const char *) extfuncs->GetStringi(GL_EXTENSIONS, i);
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totalLen += strlen(ext) + 1; /* plus a space */
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}
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buffer = malloc(totalLen + 1);
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if (buffer) {
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int pos = 0;
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for (i = 0; i < n; i++) {
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const char *ext = (const char *) extfuncs->GetStringi(GL_EXTENSIONS, i);
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strcpy(buffer + pos, ext);
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pos += strlen(ext);
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buffer[pos++] = ' ';
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}
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buffer[pos] = '\0';
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}
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return buffer;
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}
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/** Is extension 'ext' supported? */
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GLboolean
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extension_supported(const char *ext, const char *extensionsList)
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{
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while (1) {
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const char *p = strstr(extensionsList, ext);
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if (p) {
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/* check that next char is a space or end of string */
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int extLen = strlen(ext);
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if (p[extLen] == 0 || p[extLen] == ' ') {
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return 1;
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}
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else {
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/* We found a superset string, keep looking */
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extensionsList += extLen;
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}
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}
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else {
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break;
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}
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}
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return 0;
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}
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/**
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* Is verNum >= verString?
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* \param verString such as "2.1", "3.0", etc.
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* \param verNum such as 20, 21, 30, 31, 32, etc.
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*/
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static GLboolean
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version_supported(const char *verString, int verNum)
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{
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int v;
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if (!verString ||
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!isdigit(verString[0]) ||
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verString[1] != '.' ||
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!isdigit(verString[2])) {
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return GL_FALSE;
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}
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v = (verString[0] - '0') * 10 + (verString[2] - '0');
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return verNum >= v;
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}
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struct token_name
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{
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GLenum token;
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const char *name;
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};
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static void
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print_shader_limit_list(const struct token_name *lim)
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{
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GLint max[1];
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unsigned i;
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for (i = 0; lim[i].token; i++) {
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glGetIntegerv(lim[i].token, max);
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if (glGetError() == GL_NO_ERROR) {
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printf(" %s = %d\n", lim[i].name, max[0]);
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}
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}
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}
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/**
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* Print interesting limits for vertex/fragment shaders.
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|
*/
|
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static void
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print_shader_limits(GLenum target)
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{
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static const struct token_name vertex_limits[] = {
|
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{ GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, "GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB" },
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{ GL_MAX_VARYING_FLOATS_ARB, "GL_MAX_VARYING_FLOATS_ARB" },
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{ GL_MAX_VERTEX_ATTRIBS_ARB, "GL_MAX_VERTEX_ATTRIBS_ARB" },
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{ GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
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{ GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB" },
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{ GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB" },
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{ GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
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{ GL_MAX_VERTEX_OUTPUT_COMPONENTS , "GL_MAX_VERTEX_OUTPUT_COMPONENTS " },
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{ (GLenum) 0, NULL }
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};
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static const struct token_name fragment_limits[] = {
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{ GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB, "GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB" },
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{ GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
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{ GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
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{ GL_MAX_FRAGMENT_INPUT_COMPONENTS , "GL_MAX_FRAGMENT_INPUT_COMPONENTS " },
|
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{ (GLenum) 0, NULL }
|
|
};
|
|
static const struct token_name geometry_limits[] = {
|
|
{ GL_MAX_GEOMETRY_UNIFORM_COMPONENTS, "GL_MAX_GEOMETRY_UNIFORM_COMPONENTS" },
|
|
{ GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS, "GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS" },
|
|
{ GL_MAX_GEOMETRY_OUTPUT_VERTICES , "GL_MAX_GEOMETRY_OUTPUT_VERTICES " },
|
|
{ GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS, "GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS" },
|
|
{ GL_MAX_GEOMETRY_INPUT_COMPONENTS , "GL_MAX_GEOMETRY_INPUT_COMPONENTS " },
|
|
{ GL_MAX_GEOMETRY_OUTPUT_COMPONENTS, "GL_MAX_GEOMETRY_OUTPUT_COMPONENTS" },
|
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{ (GLenum) 0, NULL }
|
|
};
|
|
|
|
switch (target) {
|
|
case GL_VERTEX_SHADER:
|
|
printf(" GL_VERTEX_SHADER_ARB:\n");
|
|
print_shader_limit_list(vertex_limits);
|
|
break;
|
|
|
|
case GL_FRAGMENT_SHADER:
|
|
printf(" GL_FRAGMENT_SHADER_ARB:\n");
|
|
print_shader_limit_list(fragment_limits);
|
|
break;
|
|
|
|
case GL_GEOMETRY_SHADER:
|
|
printf(" GL_GEOMETRY_SHADER:\n");
|
|
print_shader_limit_list(geometry_limits);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Print interesting limits for vertex/fragment programs.
|
|
*/
|
|
static void
|
|
print_program_limits(GLenum target,
|
|
const struct ext_functions *extfuncs)
|
|
{
|
|
#if defined(GL_ARB_vertex_program) || defined(GL_ARB_fragment_program)
|
|
struct token_name {
|
|
GLenum token;
|
|
const char *name;
|
|
};
|
|
static const struct token_name common_limits[] = {
|
|
{ GL_MAX_PROGRAM_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_INSTRUCTIONS_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB" },
|
|
{ GL_MAX_PROGRAM_TEMPORARIES_ARB, "GL_MAX_PROGRAM_TEMPORARIES_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB, "GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB" },
|
|
{ GL_MAX_PROGRAM_PARAMETERS_ARB, "GL_MAX_PROGRAM_PARAMETERS_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB, "GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB" },
|
|
{ GL_MAX_PROGRAM_ATTRIBS_ARB, "GL_MAX_PROGRAM_ATTRIBS_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB, "GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB" },
|
|
{ GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB, "GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB, "GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB" },
|
|
{ GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB, "GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB" },
|
|
{ GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, "GL_MAX_PROGRAM_ENV_PARAMETERS_ARB" },
|
|
{ (GLenum) 0, NULL }
|
|
};
|
|
static const struct token_name fragment_limits[] = {
|
|
{ GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB" },
|
|
{ GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB" },
|
|
{ GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB, "GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB" },
|
|
{ GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB" },
|
|
{ (GLenum) 0, NULL }
|
|
};
|
|
|
|
GLint max[1];
|
|
int i;
|
|
|
|
if (target == GL_VERTEX_PROGRAM_ARB) {
|
|
printf(" GL_VERTEX_PROGRAM_ARB:\n");
|
|
}
|
|
else if (target == GL_FRAGMENT_PROGRAM_ARB) {
|
|
printf(" GL_FRAGMENT_PROGRAM_ARB:\n");
|
|
}
|
|
else {
|
|
return; /* something's wrong */
|
|
}
|
|
|
|
for (i = 0; common_limits[i].token; i++) {
|
|
extfuncs->GetProgramivARB(target, common_limits[i].token, max);
|
|
if (glGetError() == GL_NO_ERROR) {
|
|
printf(" %s = %d\n", common_limits[i].name, max[0]);
|
|
}
|
|
}
|
|
if (target == GL_FRAGMENT_PROGRAM_ARB) {
|
|
for (i = 0; fragment_limits[i].token; i++) {
|
|
extfuncs->GetProgramivARB(target, fragment_limits[i].token, max);
|
|
if (glGetError() == GL_NO_ERROR) {
|
|
printf(" %s = %d\n", fragment_limits[i].name, max[0]);
|
|
}
|
|
}
|
|
}
|
|
#endif /* GL_ARB_vertex_program / GL_ARB_fragment_program */
|
|
}
|
|
|
|
|
|
/**
|
|
* Print interesting OpenGL implementation limits.
|
|
* \param version 20, 21, 30, 31, 32, etc.
|
|
*/
|
|
void
|
|
print_limits(const char *extensions, const char *oglstring, int version,
|
|
const struct ext_functions *extfuncs)
|
|
{
|
|
struct token_name {
|
|
GLuint count;
|
|
GLenum token;
|
|
const char *name;
|
|
const char *extension; /* NULL or GL extension name or version string */
|
|
};
|
|
static const struct token_name limits[] = {
|
|
{ 1, GL_MAX_ATTRIB_STACK_DEPTH, "GL_MAX_ATTRIB_STACK_DEPTH", NULL },
|
|
{ 1, GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, "GL_MAX_CLIENT_ATTRIB_STACK_DEPTH", NULL },
|
|
{ 1, GL_MAX_CLIP_PLANES, "GL_MAX_CLIP_PLANES", NULL },
|
|
{ 1, GL_MAX_COLOR_MATRIX_STACK_DEPTH, "GL_MAX_COLOR_MATRIX_STACK_DEPTH", "GL_ARB_imaging" },
|
|
{ 1, GL_MAX_ELEMENTS_VERTICES, "GL_MAX_ELEMENTS_VERTICES", NULL },
|
|
{ 1, GL_MAX_ELEMENTS_INDICES, "GL_MAX_ELEMENTS_INDICES", NULL },
|
|
{ 1, GL_MAX_EVAL_ORDER, "GL_MAX_EVAL_ORDER", NULL },
|
|
{ 1, GL_MAX_LIGHTS, "GL_MAX_LIGHTS", NULL },
|
|
{ 1, GL_MAX_LIST_NESTING, "GL_MAX_LIST_NESTING", NULL },
|
|
{ 1, GL_MAX_MODELVIEW_STACK_DEPTH, "GL_MAX_MODELVIEW_STACK_DEPTH", NULL },
|
|
{ 1, GL_MAX_NAME_STACK_DEPTH, "GL_MAX_NAME_STACK_DEPTH", NULL },
|
|
{ 1, GL_MAX_PIXEL_MAP_TABLE, "GL_MAX_PIXEL_MAP_TABLE", NULL },
|
|
{ 1, GL_MAX_PROJECTION_STACK_DEPTH, "GL_MAX_PROJECTION_STACK_DEPTH", NULL },
|
|
{ 1, GL_MAX_TEXTURE_STACK_DEPTH, "GL_MAX_TEXTURE_STACK_DEPTH", NULL },
|
|
{ 1, GL_MAX_TEXTURE_SIZE, "GL_MAX_TEXTURE_SIZE", NULL },
|
|
{ 1, GL_MAX_3D_TEXTURE_SIZE, "GL_MAX_3D_TEXTURE_SIZE", NULL },
|
|
#if defined(GL_EXT_texture_array)
|
|
{ 1, GL_MAX_ARRAY_TEXTURE_LAYERS_EXT, "GL_MAX_ARRAY_TEXTURE_LAYERS", "GL_EXT_texture_array" },
|
|
#endif
|
|
{ 2, GL_MAX_VIEWPORT_DIMS, "GL_MAX_VIEWPORT_DIMS", NULL },
|
|
{ 2, GL_ALIASED_LINE_WIDTH_RANGE, "GL_ALIASED_LINE_WIDTH_RANGE", NULL },
|
|
{ 2, GL_SMOOTH_LINE_WIDTH_RANGE, "GL_SMOOTH_LINE_WIDTH_RANGE", NULL },
|
|
{ 2, GL_ALIASED_POINT_SIZE_RANGE, "GL_ALIASED_POINT_SIZE_RANGE", NULL },
|
|
{ 2, GL_SMOOTH_POINT_SIZE_RANGE, "GL_SMOOTH_POINT_SIZE_RANGE", NULL },
|
|
#if defined(GL_ARB_texture_cube_map)
|
|
{ 1, GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB", "GL_ARB_texture_cube_map" },
|
|
#endif
|
|
#if defined(GL_NV_texture_rectangle)
|
|
{ 1, GL_MAX_RECTANGLE_TEXTURE_SIZE_NV, "GL_MAX_RECTANGLE_TEXTURE_SIZE_NV", "GL_NV_texture_rectangle" },
|
|
#endif
|
|
#if defined(GL_ARB_multitexture)
|
|
{ 1, GL_MAX_TEXTURE_UNITS_ARB, "GL_MAX_TEXTURE_UNITS_ARB", "GL_ARB_multitexture" },
|
|
#endif
|
|
#if defined(GL_EXT_texture_lod_bias)
|
|
{ 1, GL_MAX_TEXTURE_LOD_BIAS_EXT, "GL_MAX_TEXTURE_LOD_BIAS_EXT", "GL_EXT_texture_lod_bias" },
|
|
#endif
|
|
#if defined(GL_EXT_texture_filter_anisotropic)
|
|
{ 1, GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT", "GL_EXT_texture_filter_anisotropic" },
|
|
#endif
|
|
#if defined(GL_ARB_draw_buffers)
|
|
{ 1, GL_MAX_DRAW_BUFFERS_ARB, "GL_MAX_DRAW_BUFFERS_ARB", "GL_ARB_draw_buffers" },
|
|
#endif
|
|
#if defined(GL_ARB_blend_func_extended)
|
|
{ 1, GL_MAX_DUAL_SOURCE_DRAW_BUFFERS, "GL_MAX_DUAL_SOURCE_DRAW_BUFFERS", "GL_ARB_blend_func_extended" },
|
|
#endif
|
|
#if defined (GL_ARB_framebuffer_object)
|
|
{ 1, GL_MAX_RENDERBUFFER_SIZE, "GL_MAX_RENDERBUFFER_SIZE", "GL_ARB_framebuffer_object" },
|
|
{ 1, GL_MAX_COLOR_ATTACHMENTS, "GL_MAX_COLOR_ATTACHMENTS", "GL_ARB_framebuffer_object" },
|
|
{ 1, GL_MAX_SAMPLES, "GL_MAX_SAMPLES", "GL_ARB_framebuffer_object" },
|
|
#endif
|
|
#if defined (GL_EXT_transform_feedback)
|
|
{ 1, GL_MAX_TRANSFORM_FEEDBACK_BUFFERS, "GL_MAX_TRANSFORM_FEEDBACK_BUFFERS", "GL_EXT_transform_feedback" },
|
|
{ 1, GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS_EXT, "GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS", "GL_EXT_transform_feedback" },
|
|
{ 1, GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS_EXT, "GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS", "GL_EXT_transform_feedback", },
|
|
{ 1, GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS_EXT, "GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS", "GL_EXT_transform_feedback" },
|
|
#endif
|
|
#if defined (GL_ARB_texture_buffer_object)
|
|
{ 1, GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT, "GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT", "GL_ARB_texture_buffer_object" },
|
|
{ 1, GL_MAX_TEXTURE_BUFFER_SIZE, "GL_MAX_TEXTURE_BUFFER_SIZE", "GL_ARB_texture_buffer_object" },
|
|
#endif
|
|
#if defined (GL_ARB_uniform_buffer_object)
|
|
{ 1, GL_MAX_VERTEX_UNIFORM_BLOCKS, "GL_MAX_VERTEX_UNIFORM_BLOCKS", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_FRAGMENT_UNIFORM_BLOCKS, "GL_MAX_FRAGMENT_UNIFORM_BLOCKS", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_GEOMETRY_UNIFORM_BLOCKS, "GL_MAX_GEOMETRY_UNIFORM_BLOCKS" , "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_COMBINED_UNIFORM_BLOCKS, "GL_MAX_COMBINED_UNIFORM_BLOCKS", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_UNIFORM_BUFFER_BINDINGS, "GL_MAX_UNIFORM_BUFFER_BINDINGS", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_UNIFORM_BLOCK_SIZE, "GL_MAX_UNIFORM_BLOCK_SIZE", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS, "GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS, "GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS, "GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS", "GL_ARB_uniform_buffer_object" },
|
|
{ 1, GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, "GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT", "GL_ARB_uniform_buffer_object" },
|
|
#endif
|
|
#if defined (GL_ARB_vertex_attrib_binding)
|
|
{ 1, GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET, "GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET", "GL_ARB_vertex_attrib_binding" },
|
|
{ 1, GL_MAX_VERTEX_ATTRIB_BINDINGS, "GL_MAX_VERTEX_ATTRIB_BINDINGS", "GL_ARB_vertex_attrib_binding" },
|
|
#endif
|
|
#if defined(GL_VERSION_4_4)
|
|
{ 1, GL_MAX_VERTEX_ATTRIB_STRIDE, "GL_MAX_VERTEX_ATTRIB_STRIDE", "4.4" },
|
|
#endif
|
|
{ 0, (GLenum) 0, NULL, NULL }
|
|
};
|
|
GLint i, max[2];
|
|
|
|
printf("%s limits:\n", oglstring);
|
|
for (i = 0; limits[i].count; i++) {
|
|
if (!limits[i].extension ||
|
|
version_supported(limits[i].extension, version) ||
|
|
extension_supported(limits[i].extension, extensions)) {
|
|
glGetIntegerv(limits[i].token, max);
|
|
if (glGetError() == GL_NO_ERROR) {
|
|
if (limits[i].count == 1)
|
|
printf(" %s = %d\n", limits[i].name, max[0]);
|
|
else /* XXX fix if we ever query something with more than 2 values */
|
|
printf(" %s = %d, %d\n", limits[i].name, max[0], max[1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* these don't fit into the above mechanism, unfortunately */
|
|
if (extension_supported("GL_ARB_imaging", extensions)) {
|
|
extfuncs->GetConvolutionParameteriv(GL_CONVOLUTION_2D,
|
|
GL_MAX_CONVOLUTION_WIDTH, max);
|
|
extfuncs->GetConvolutionParameteriv(GL_CONVOLUTION_2D,
|
|
GL_MAX_CONVOLUTION_HEIGHT, max+1);
|
|
printf(" GL_MAX_CONVOLUTION_WIDTH/HEIGHT = %d, %d\n", max[0], max[1]);
|
|
}
|
|
|
|
if (extension_supported("GL_ARB_texture_compression", extensions)) {
|
|
GLint i, n;
|
|
GLint *formats;
|
|
glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &n);
|
|
printf(" GL_NUM_COMPRESSED_TEXTURE_FORMATS = %d\n", n);
|
|
formats = (GLint *) malloc(n * sizeof(GLint));
|
|
glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, formats);
|
|
for (i = 0; i < n; i++) {
|
|
printf(" %s\n", enum_name(formats[i]));
|
|
}
|
|
free(formats);
|
|
}
|
|
#if defined(GL_ARB_vertex_program)
|
|
if (extension_supported("GL_ARB_vertex_program", extensions)) {
|
|
print_program_limits(GL_VERTEX_PROGRAM_ARB, extfuncs);
|
|
}
|
|
#endif
|
|
#if defined(GL_ARB_fragment_program)
|
|
if (extension_supported("GL_ARB_fragment_program", extensions)) {
|
|
print_program_limits(GL_FRAGMENT_PROGRAM_ARB, extfuncs);
|
|
}
|
|
#endif
|
|
if (extension_supported("GL_ARB_vertex_shader", extensions)) {
|
|
print_shader_limits(GL_VERTEX_SHADER_ARB);
|
|
}
|
|
if (extension_supported("GL_ARB_fragment_shader", extensions)) {
|
|
print_shader_limits(GL_FRAGMENT_SHADER_ARB);
|
|
}
|
|
if (version >= 32) {
|
|
print_shader_limits(GL_GEOMETRY_SHADER);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Return string representation for bits in a bitmask.
|
|
*/
|
|
const char *
|
|
bitmask_to_string(const struct bit_info bits[], int numBits, int mask)
|
|
{
|
|
static char buffer[256], *p;
|
|
int i;
|
|
|
|
strcpy(buffer, "(none)");
|
|
p = buffer;
|
|
for (i = 0; i < numBits; i++) {
|
|
if (mask & bits[i].bit) {
|
|
if (p > buffer)
|
|
*p++ = ',';
|
|
strcpy(p, bits[i].name);
|
|
p += strlen(bits[i].name);
|
|
}
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
/**
|
|
* Return string representation for the bitmask returned by
|
|
* GL_CONTEXT_PROFILE_MASK (OpenGL 3.2 or later).
|
|
*/
|
|
const char *
|
|
profile_mask_string(int mask)
|
|
{
|
|
const static struct bit_info bits[] = {
|
|
#ifdef GL_CONTEXT_CORE_PROFILE_BIT
|
|
{ GL_CONTEXT_CORE_PROFILE_BIT, "core profile"},
|
|
#endif
|
|
#ifdef GL_CONTEXT_COMPATIBILITY_PROFILE_BIT
|
|
{ GL_CONTEXT_COMPATIBILITY_PROFILE_BIT, "compatibility profile" }
|
|
#endif
|
|
};
|
|
|
|
return bitmask_to_string(bits, ELEMENTS(bits), mask);
|
|
}
|
|
|
|
|
|
/**
|
|
* Return string representation for the bitmask returned by
|
|
* GL_CONTEXT_FLAGS (OpenGL 3.0 or later).
|
|
*/
|
|
const char *
|
|
context_flags_string(int mask)
|
|
{
|
|
const static struct bit_info bits[] = {
|
|
#ifdef GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT
|
|
{ GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT, "forward-compatible" },
|
|
#endif
|
|
#ifdef GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB
|
|
{ GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB, "robust-access" },
|
|
#endif
|
|
};
|
|
|
|
return bitmask_to_string(bits, ELEMENTS(bits), mask);
|
|
}
|
|
|
|
|