xenocara/app/glxinfo/glinfo_common.c
2018-02-23 10:37:24 +00:00

1023 lines
42 KiB
C

/*
* Copyright (C) 1999-2014 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.
*/
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "glinfo_common.h"
#ifdef _WIN32
#define snprintf _snprintf
#endif
#ifndef GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT
#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x00000001
#endif
#ifndef GL_CONTEXT_FLAG_DEBUG_BIT
#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002
#endif
#ifndef GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB
#define GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB 0x00000004
#endif
#ifndef GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR
#define GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR 0x00000008
#endif
/**
* Return the GL enum name for a numeric value.
* We really only care about the compressed texture formats for now.
*/
static const char *
enum_name(GLenum val)
{
static const struct {
const char *name;
GLenum val;
} enums [] = {
{ "GL_COMPRESSED_ALPHA", 0x84E9 },
{ "GL_COMPRESSED_LUMINANCE", 0x84EA },
{ "GL_COMPRESSED_LUMINANCE_ALPHA", 0x84EB },
{ "GL_COMPRESSED_INTENSITY", 0x84EC },
{ "GL_COMPRESSED_RGB", 0x84ED },
{ "GL_COMPRESSED_RGBA", 0x84EE },
{ "GL_COMPRESSED_TEXTURE_FORMATS", 0x86A3 },
{ "GL_COMPRESSED_RGB", 0x84ED },
{ "GL_COMPRESSED_RGBA", 0x84EE },
{ "GL_COMPRESSED_TEXTURE_FORMATS", 0x86A3 },
{ "GL_COMPRESSED_ALPHA", 0x84E9 },
{ "GL_COMPRESSED_LUMINANCE", 0x84EA },
{ "GL_COMPRESSED_LUMINANCE_ALPHA", 0x84EB },
{ "GL_COMPRESSED_INTENSITY", 0x84EC },
{ "GL_COMPRESSED_SRGB", 0x8C48 },
{ "GL_COMPRESSED_SRGB_ALPHA", 0x8C49 },
{ "GL_COMPRESSED_SLUMINANCE", 0x8C4A },
{ "GL_COMPRESSED_SLUMINANCE_ALPHA", 0x8C4B },
{ "GL_COMPRESSED_RED", 0x8225 },
{ "GL_COMPRESSED_RG", 0x8226 },
{ "GL_COMPRESSED_RED_RGTC1", 0x8DBB },
{ "GL_COMPRESSED_SIGNED_RED_RGTC1", 0x8DBC },
{ "GL_COMPRESSED_RG_RGTC2", 0x8DBD },
{ "GL_COMPRESSED_SIGNED_RG_RGTC2", 0x8DBE },
{ "GL_COMPRESSED_RGB8_ETC2", 0x9274 },
{ "GL_COMPRESSED_SRGB8_ETC2", 0x9275 },
{ "GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2", 0x9276 },
{ "GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2", 0x9277 },
{ "GL_COMPRESSED_RGBA8_ETC2_EAC", 0x9278 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC", 0x9279 },
{ "GL_COMPRESSED_R11_EAC", 0x9270 },
{ "GL_COMPRESSED_SIGNED_R11_EAC", 0x9271 },
{ "GL_COMPRESSED_RG11_EAC", 0x9272 },
{ "GL_COMPRESSED_SIGNED_RG11_EAC", 0x9273 },
{ "GL_COMPRESSED_ALPHA_ARB", 0x84E9 },
{ "GL_COMPRESSED_LUMINANCE_ARB", 0x84EA },
{ "GL_COMPRESSED_LUMINANCE_ALPHA_ARB", 0x84EB },
{ "GL_COMPRESSED_INTENSITY_ARB", 0x84EC },
{ "GL_COMPRESSED_RGB_ARB", 0x84ED },
{ "GL_COMPRESSED_RGBA_ARB", 0x84EE },
{ "GL_COMPRESSED_TEXTURE_FORMATS_ARB", 0x86A3 },
{ "GL_COMPRESSED_RGBA_BPTC_UNORM_ARB", 0x8E8C },
{ "GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB", 0x8E8D },
{ "GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB", 0x8E8E },
{ "GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB", 0x8E8F },
{ "GL_COMPRESSED_RGBA_ASTC_4x4_KHR", 0x93B0 },
{ "GL_COMPRESSED_RGBA_ASTC_5x4_KHR", 0x93B1 },
{ "GL_COMPRESSED_RGBA_ASTC_5x5_KHR", 0x93B2 },
{ "GL_COMPRESSED_RGBA_ASTC_6x5_KHR", 0x93B3 },
{ "GL_COMPRESSED_RGBA_ASTC_6x6_KHR", 0x93B4 },
{ "GL_COMPRESSED_RGBA_ASTC_8x5_KHR", 0x93B5 },
{ "GL_COMPRESSED_RGBA_ASTC_8x6_KHR", 0x93B6 },
{ "GL_COMPRESSED_RGBA_ASTC_8x8_KHR", 0x93B7 },
{ "GL_COMPRESSED_RGBA_ASTC_10x5_KHR", 0x93B8 },
{ "GL_COMPRESSED_RGBA_ASTC_10x6_KHR", 0x93B9 },
{ "GL_COMPRESSED_RGBA_ASTC_10x8_KHR", 0x93BA },
{ "GL_COMPRESSED_RGBA_ASTC_10x10_KHR", 0x93BB },
{ "GL_COMPRESSED_RGBA_ASTC_12x10_KHR", 0x93BC },
{ "GL_COMPRESSED_RGBA_ASTC_12x12_KHR", 0x93BD },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR", 0x93D0 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR", 0x93D1 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR", 0x93D2 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR", 0x93D3 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR", 0x93D4 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR", 0x93D5 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR", 0x93D6 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR", 0x93D7 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR", 0x93D8 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR", 0x93D9 },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR", 0x93DA },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR", 0x93DB },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR", 0x93DC },
{ "GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR", 0x93DD },
{ "GL_COMPRESSED_RGB_FXT1_3DFX", 0x86B0 },
{ "GL_COMPRESSED_RGBA_FXT1_3DFX", 0x86B1 },
{ "GL_COMPRESSED_LUMINANCE_LATC1_EXT", 0x8C70 },
{ "GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT", 0x8C71 },
{ "GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT", 0x8C72 },
{ "GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT", 0x8C73 },
{ "GL_COMPRESSED_RED_RGTC1_EXT", 0x8DBB },
{ "GL_COMPRESSED_SIGNED_RED_RGTC1_EXT", 0x8DBC },
{ "GL_COMPRESSED_RED_GREEN_RGTC2_EXT", 0x8DBD },
{ "GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT", 0x8DBE },
{ "GL_COMPRESSED_RGB_S3TC_DXT1_EXT", 0x83F0 },
{ "GL_COMPRESSED_RGBA_S3TC_DXT1_EXT", 0x83F1 },
{ "GL_COMPRESSED_RGBA_S3TC_DXT3_EXT", 0x83F2 },
{ "GL_COMPRESSED_RGBA_S3TC_DXT5_EXT", 0x83F3 },
{ "GL_COMPRESSED_SRGB_EXT", 0x8C48 },
{ "GL_COMPRESSED_SRGB_ALPHA_EXT", 0x8C49 },
{ "GL_COMPRESSED_SLUMINANCE_EXT", 0x8C4A },
{ "GL_COMPRESSED_SLUMINANCE_ALPHA_EXT", 0x8C4B },
{ "GL_COMPRESSED_SRGB_S3TC_DXT1_EXT", 0x8C4C },
{ "GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT", 0x8C4D },
{ "GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT", 0x8C4E },
{ "GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT", 0x8C4F },
{ "GL_PALETTE4_RGB8_OES", 0x8B90 },
{ "GL_PALETTE4_RGBA8_OES", 0x8B91 },
{ "GL_PALETTE4_R5_G6_B5_OES", 0x8B92 },
{ "GL_PALETTE4_RGBA4_OES", 0x8B93 },
{ "GL_PALETTE4_RGB5_A1_OES", 0x8B94 },
{ "GL_PALETTE8_RGB8_OES", 0x8B95 },
{ "GL_PALETTE8_RGBA8_OES", 0x8B96 },
{ "GL_PALETTE8_R5_G6_B5_OES", 0x8B97 },
{ "GL_PALETTE8_RGBA4_OES", 0x8B98 },
{ "GL_PALETTE8_RGB5_A1_OES", 0x8B99 }
};
const int n = sizeof(enums) / sizeof(enums[0]);
static char buffer[100];
int i;
for (i = 0; i < n; i++) {
if (enums[i].val == val) {
return enums[i].name;
}
}
/* enum val not found, just print hexadecimal value into static buffer */
snprintf(buffer, sizeof(buffer), "0x%x", val);
return buffer;
}
/*
* qsort callback for string comparison.
*/
static int
compare_string_ptr(const void *p1, const void *p2)
{
return strcmp(* (char * const *) p1, * (char * const *) p2);
}
/*
* Print a list of extensions, with word-wrapping.
*/
void
print_extension_list(const char *ext, GLboolean singleLine)
{
char **extensions;
int num_extensions;
const char *indentString = " ";
const int indent = 4;
const int max = 79;
int width, i, j, k;
if (!ext || !ext[0])
return;
/* count the number of extensions, ignoring successive spaces */
num_extensions = 0;
j = 1;
do {
if ((ext[j] == ' ' || ext[j] == 0) && ext[j - 1] != ' ') {
++num_extensions;
}
} while(ext[j++]);
/* copy individual extensions to an array */
extensions = malloc(num_extensions * sizeof *extensions);
if (!extensions) {
fprintf(stderr, "Error: malloc() failed\n");
exit(1);
}
i = j = k = 0;
while (1) {
if (ext[j] == ' ' || ext[j] == 0) {
/* found end of an extension name */
const int len = j - i;
if (len) {
assert(k < num_extensions);
extensions[k] = malloc(len + 1);
if (!extensions[k]) {
fprintf(stderr, "Error: malloc() failed\n");
exit(1);
}
memcpy(extensions[k], ext + i, len);
extensions[k][len] = 0;
++k;
};
i += len + 1;
if (ext[j] == 0) {
break;
}
}
j++;
}
assert(k == num_extensions);
/* sort extensions alphabetically */
qsort(extensions, num_extensions, sizeof extensions[0], compare_string_ptr);
/* print the extensions */
width = indent;
printf("%s", indentString);
for (k = 0; k < num_extensions; ++k) {
const int len = strlen(extensions[k]);
if ((!singleLine) && (width + len > max)) {
/* start a new line */
printf("\n");
width = indent;
printf("%s", indentString);
}
/* print the extension name */
printf("%s", extensions[k]);
/* either we're all done, or we'll continue with next extension */
width += len + 1;
if (singleLine) {
printf("\n");
width = indent;
printf("%s", indentString);
}
else if (k < (num_extensions -1)) {
printf(", ");
width += 2;
}
}
printf("\n");
for (k = 0; k < num_extensions; ++k) {
free(extensions[k]);
}
free(extensions);
}
/**
* Get list of OpenGL extensions using core profile's glGetStringi().
*/
char *
build_core_profile_extension_list(const struct ext_functions *extfuncs)
{
GLint i, n, totalLen;
char *buffer;
glGetIntegerv(GL_NUM_EXTENSIONS, &n);
/* compute totalLen */
totalLen = 0;
for (i = 0; i < n; i++) {
const char *ext = (const char *) extfuncs->GetStringi(GL_EXTENSIONS, i);
if (ext)
totalLen += strlen(ext) + 1; /* plus a space */
}
if (!totalLen)
return NULL;
buffer = malloc(totalLen + 1);
if (buffer) {
int pos = 0;
for (i = 0; i < n; i++) {
const char *ext = (const char *) extfuncs->GetStringi(GL_EXTENSIONS, i);
strcpy(buffer + pos, ext);
pos += strlen(ext);
buffer[pos++] = ' ';
}
buffer[pos] = '\0';
}
return buffer;
}
/** Is extension 'ext' supported? */
GLboolean
extension_supported(const char *ext, const char *extensionsList)
{
while (1) {
const char *p = strstr(extensionsList, ext);
if (p) {
/* check that next char is a space or end of string */
int extLen = strlen(ext);
if (p[extLen] == 0 || p[extLen] == ' ') {
return 1;
}
else {
/* We found a superset string, keep looking */
extensionsList += extLen;
}
}
else {
break;
}
}
return 0;
}
/**
* Is verNum >= verString?
* \param verString such as "2.1", "3.0", etc.
* \param verNum such as 20, 21, 30, 31, 32, etc.
*/
static GLboolean
version_supported(const char *verString, int verNum)
{
int v;
if (!verString ||
!isdigit(verString[0]) ||
verString[1] != '.' ||
!isdigit(verString[2])) {
return GL_FALSE;
}
v = (verString[0] - '0') * 10 + (verString[2] - '0');
return verNum >= v;
}
struct token_name
{
GLenum token;
const char *name;
};
static void
print_shader_limit_list(const struct token_name *lim)
{
GLint max[1];
unsigned i;
for (i = 0; lim[i].token; i++) {
glGetIntegerv(lim[i].token, max);
if (glGetError() == GL_NO_ERROR) {
printf(" %s = %d\n", lim[i].name, max[0]);
}
}
}
/**
* Print interesting limits for vertex/fragment shaders.
*/
static void
print_shader_limits(GLenum target)
{
static const struct token_name vertex_limits[] = {
{ GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, "GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB" },
{ GL_MAX_VARYING_FLOATS_ARB, "GL_MAX_VARYING_FLOATS_ARB" },
{ GL_MAX_VERTEX_ATTRIBS_ARB, "GL_MAX_VERTEX_ATTRIBS_ARB" },
{ GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
{ GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB" },
{ GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB" },
{ GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
{ GL_MAX_VERTEX_OUTPUT_COMPONENTS , "GL_MAX_VERTEX_OUTPUT_COMPONENTS " },
{ (GLenum) 0, NULL }
};
static const struct token_name fragment_limits[] = {
{ GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB, "GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB" },
{ GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
{ GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
{ GL_MAX_FRAGMENT_INPUT_COMPONENTS , "GL_MAX_FRAGMENT_INPUT_COMPONENTS " },
{ (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" },
{ (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_texture_multisample)
{ 1, GL_MAX_COLOR_TEXTURE_SAMPLES, "GL_MAX_COLOR_TEXTURE_SAMPLES", "GL_ARB_texture_multisample" },
{ 1, GL_MAX_DEPTH_TEXTURE_SAMPLES, "GL_MAX_DEPTH_TEXTURE_SAMPLES", "GL_ARB_texture_multisample" },
{ 1, GL_MAX_INTEGER_SAMPLES, "GL_MAX_INTEGER_SAMPLES", "GL_ARB_texture_multisample" },
#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_ARB_tessellation_shader)
{ 1, GL_MAX_TESS_GEN_LEVEL, "GL_MAX_TESS_GEN_LEVEL", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_PATCH_COMPONENTS, "GL_MAX_TESS_PATCH_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS, "GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS, "GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS, "GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_CONTROL_INPUT_COMPONENTS, "GL_MAX_TESS_CONTROL_INPUT_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS, "GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS, "GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS, "GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS, "GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS, "GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS, "GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS, "GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS, "GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS", "GL_ARB_tessellation_shader" },
{ 1, GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS, "GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS", "GL_ARB_tessellation_shader" },
#endif
#if defined(GL_VERSION_3_0)
{ 1, GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS, "GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS", "3.0" },
{ 1, GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS, "GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS", "3.0" },
{ 1, GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS, "GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS", "3.0" },
#endif
#if defined(GL_VERSION_3_1)
{ 1, GL_MAX_TEXTURE_BUFFER_SIZE, "GL_MAX_TEXTURE_BUFFER_SIZE", "3.1" },
{ 1, GL_MAX_RECTANGLE_TEXTURE_SIZE, "GL_MAX_RECTANGLE_TEXTURE_SIZE", "3.1" },
#endif
#if defined(GL_VERSION_3_2)
{ 1, GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS, "GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS", "3.2" },
{ 1, GL_MAX_GEOMETRY_UNIFORM_COMPONENTS, "GL_MAX_GEOMETRY_UNIFORM_COMPONENTS", "3.2" },
{ 1, GL_MAX_GEOMETRY_OUTPUT_VERTICES, "GL_MAX_GEOMETRY_OUTPUT_VERTICES", "3.2" },
{ 1, GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS, "GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS", "3.2" },
{ 1, GL_MAX_VERTEX_OUTPUT_COMPONENTS, "GL_MAX_VERTEX_OUTPUT_COMPONENTS", "3.2" },
{ 1, GL_MAX_GEOMETRY_INPUT_COMPONENTS, "GL_MAX_GEOMETRY_INPUT_COMPONENTS", "3.2" },
{ 1, GL_MAX_GEOMETRY_OUTPUT_COMPONENTS, "GL_MAX_GEOMETRY_OUTPUT_COMPONENTS", "3.2" },
{ 1, GL_MAX_FRAGMENT_INPUT_COMPONENTS, "GL_MAX_FRAGMENT_INPUT_COMPONENTS", "3.2" },
{ 1, GL_MAX_SERVER_WAIT_TIMEOUT, "GL_MAX_SERVER_WAIT_TIMEOUT", "3.2" },
{ 1, GL_MAX_SAMPLE_MASK_WORDS, "GL_MAX_SAMPLE_MASK_WORDS", "3.2" },
{ 1, GL_MAX_COLOR_TEXTURE_SAMPLES, "GL_MAX_COLOR_TEXTURE_SAMPLES", "3.2" },
{ 1, GL_MAX_DEPTH_TEXTURE_SAMPLES, "GL_MAX_DEPTH_TEXTURE_SAMPLES", "3.2" },
{ 1, GL_MAX_INTEGER_SAMPLES, "GL_MAX_INTEGER_SAMPLES", "3.2" },
#endif
#if defined(GL_VERSION_3_3)
{ 1, GL_MAX_DUAL_SOURCE_DRAW_BUFFERS, "GL_MAX_DUAL_SOURCE_DRAW_BUFFERS", "3.3" },
#endif
#if defined(GL_VERSION_4_0)
{ 1, GL_MAX_TRANSFORM_FEEDBACK_BUFFERS, "GL_MAX_TRANSFORM_FEEDBACK_BUFFERS", "4.0" },
#endif
#if defined(GL_VERSION_4_1)
{ 1, GL_MAX_VERTEX_UNIFORM_VECTORS, "GL_MAX_VERTEX_UNIFORM_VECTORS", "4.1" },
{ 1, GL_MAX_VARYING_VECTORS, "GL_MAX_VARYING_VECTORS", "4.1" },
{ 1, GL_MAX_FRAGMENT_UNIFORM_VECTORS, "GL_MAX_FRAGMENT_UNIFORM_VECTORS", "4.1" },
#endif
#if defined(GL_VERSION_4_2)
{ 1, GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS, "GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS", "4.2" },
{ 1, GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS, "GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS", "4.2" },
{ 1, GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS, "GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS", "4.2" },
{ 1, GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS, "GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS", "4.2" },
{ 1, GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS, "GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS", "4.2" },
{ 1, GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS, "GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS", "4.2" },
{ 1, GL_MAX_VERTEX_ATOMIC_COUNTERS, "GL_MAX_VERTEX_ATOMIC_COUNTERS", "4.2" },
{ 1, GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS, "GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS", "4.2" },
{ 1, GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS, "GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS", "4.2" },
{ 1, GL_MAX_GEOMETRY_ATOMIC_COUNTERS, "GL_MAX_GEOMETRY_ATOMIC_COUNTERS", "4.2" },
{ 1, GL_MAX_FRAGMENT_ATOMIC_COUNTERS, "GL_MAX_FRAGMENT_ATOMIC_COUNTERS", "4.2" },
{ 1, GL_MAX_COMBINED_ATOMIC_COUNTERS, "GL_MAX_COMBINED_ATOMIC_COUNTERS", "4.2" },
{ 1, GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE, "GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE", "4.2" },
{ 1, GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS, "GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS", "4.2" },
{ 1, GL_MAX_IMAGE_UNITS, "GL_MAX_IMAGE_UNITS", "4.2" },
{ 1, GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS, "GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS", "4.2" },
{ 1, GL_MAX_IMAGE_SAMPLES, "GL_MAX_IMAGE_SAMPLES", "4.2" },
{ 1, GL_MAX_VERTEX_IMAGE_UNIFORMS , "GL_MAX_VERTEX_IMAGE_UNIFORMS", "4.2" },
{ 1, GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS, "GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS", "4.2" },
{ 1, GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS, "GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS", "4.2" },
{ 1, GL_MAX_GEOMETRY_IMAGE_UNIFORMS, "GL_MAX_GEOMETRY_IMAGE_UNIFORMS", "4.2" },
{ 1, GL_MAX_FRAGMENT_IMAGE_UNIFORMS, "GL_MAX_FRAGMENT_IMAGE_UNIFORMS", "4.2" },
{ 1, GL_MAX_COMBINED_IMAGE_UNIFORMS, "GL_MAX_COMBINED_IMAGE_UNIFORMS", "4.2" },
#endif
#if defined(GL_VERSION_4_3)
{ 1, GL_MAX_ELEMENT_INDEX, "GL_MAX_ELEMENT_INDEX", "4.3" },
{ 1, GL_MAX_COMPUTE_UNIFORM_BLOCKS, "GL_MAX_COMPUTE_UNIFORM_BLOCKS", "4.3" },
{ 1, GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS, "GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS", "4.3" },
{ 1, GL_MAX_COMPUTE_IMAGE_UNIFORMS, "GL_MAX_COMPUTE_IMAGE_UNIFORMS", "4.3" },
{ 1, GL_MAX_COMPUTE_SHARED_MEMORY_SIZE, "GL_MAX_COMPUTE_SHARED_MEMORY_SIZE", "4.3" },
{ 1, GL_MAX_COMPUTE_UNIFORM_COMPONENTS, "GL_MAX_COMPUTE_UNIFORM_COMPONENTS", "4.3" },
{ 1, GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS, "GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS", "4.3" },
{ 1, GL_MAX_COMPUTE_ATOMIC_COUNTERS, "GL_MAX_COMPUTE_ATOMIC_COUNTERS", "4.3" },
{ 1, GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS, "GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS", "4.3" },
{ 1, GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS, "GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS", "4.3" },
{ 1, GL_MAX_COMPUTE_WORK_GROUP_COUNT, "GL_MAX_COMPUTE_WORK_GROUP_COUNT", "4.3" },
{ 1, GL_MAX_COMPUTE_WORK_GROUP_SIZE, "GL_MAX_COMPUTE_WORK_GROUP_SIZE", "4.3" },
{ 1, GL_MAX_DEBUG_MESSAGE_LENGTH, "GL_MAX_DEBUG_MESSAGE_LENGTH", "4.3" },
{ 1, GL_MAX_DEBUG_LOGGED_MESSAGES, "GL_MAX_DEBUG_LOGGED_MESSAGES", "4.3" },
{ 1, GL_MAX_DEBUG_GROUP_STACK_DEPTH, "GL_MAX_DEBUG_GROUP_STACK_DEPTH", "4.3" },
{ 1, GL_MAX_LABEL_LENGTH, "GL_MAX_LABEL_LENGTH", "4.3" },
{ 1, GL_MAX_UNIFORM_LOCATIONS, "GL_MAX_UNIFORM_LOCATIONS", "4.3" },
{ 1, GL_MAX_FRAMEBUFFER_WIDTH, "GL_MAX_FRAMEBUFFER_WIDTH", "4.3" },
{ 1, GL_MAX_FRAMEBUFFER_HEIGHT, "GL_MAX_FRAMEBUFFER_HEIGHT", "4.3" },
{ 1, GL_MAX_FRAMEBUFFER_LAYERS, "GL_MAX_FRAMEBUFFER_LAYERS", "4.3" },
{ 1, GL_MAX_FRAMEBUFFER_SAMPLES, "GL_MAX_FRAMEBUFFER_SAMPLES", "4.3" },
{ 1, GL_MAX_WIDTH, "GL_MAX_WIDTH", "4.3" },
{ 1, GL_MAX_HEIGHT, "GL_MAX_HEIGHT", "4.3" },
{ 1, GL_MAX_DEPTH, "GL_MAX_DEPTH", "4.3" },
{ 1, GL_MAX_LAYERS, "GL_MAX_LAYERS", "4.3" },
{ 1, GL_MAX_COMBINED_DIMENSIONS, "GL_MAX_COMBINED_DIMENSIONS", "4.3" },
{ 1, GL_MAX_NAME_LENGTH, "GL_MAX_NAME_LENGTH", "4.3" },
{ 1, GL_MAX_NUM_ACTIVE_VARIABLES, "GL_MAX_NUM_ACTIVE_VARIABLES", "4.3" },
{ 1, GL_MAX_NUM_COMPATIBLE_SUBROUTINES, "GL_MAX_NUM_COMPATIBLE_SUBROUTINES", "4.3" },
{ 1, GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS, "GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS", "4.3" },
{ 1, GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS, "GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS", "4.3" },
{ 1, GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS, "GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS", "4.3" },
{ 1, GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS, "GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS", "4.3" },
{ 1, GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS, "GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS", "4.3" },
{ 1, GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS, "GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS", "4.3" },
{ 1, GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS, "GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS", "4.3" },
{ 1, GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS, "GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS", "4.3" },
{ 1, GL_MAX_SHADER_STORAGE_BLOCK_SIZE, "GL_MAX_SHADER_STORAGE_BLOCK_SIZE", "4.3" },
{ 1, GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES, "GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES", "4.3" },
{ 1, GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET, "GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET", "4.3" },
{ 1, GL_MAX_VERTEX_ATTRIB_BINDINGS, "GL_MAX_VERTEX_ATTRIB_BINDINGS", "4.3" },
#endif
#if defined(GL_VERSION_4_4)
{ 1, GL_MAX_VERTEX_ATTRIB_STRIDE, "GL_MAX_VERTEX_ATTRIB_STRIDE", "4.4" },
#endif
#if defined(GL_VERSION_4_5)
{ 1, GL_MAX_CULL_DISTANCES, "GL_MAX_CULL_DISTANCES", "4.5" },
{ 1, GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES, "GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES", "4.5" },
#endif
#if defined(GL_VERSION_4_6)
{ 1, GL_MAX_TEXTURE_MAX_ANISOTROPY, "GL_MAX_TEXTURE_MAX_ANISOTROPY", "4.6" },
#endif
#if defined(GL_ARB_transform_feedback3)
{ 1, GL_MAX_TRANSFORM_FEEDBACK_BUFFERS, "GL_MAX_TRANSFORM_FEEDBACK_BUFFERS", "GL_ARB_transform_feedback3" },
{ 1, GL_MAX_VERTEX_STREAMS, "GL_MAX_VERTEX_STREAMS", "GL_ARB_transform_feedback3" },
#endif
{ 0, (GLenum) 0, NULL, NULL }
};
GLint i, max[2];
const char *prev_ext = "none";
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].extension && strcmp(limits[i].extension, prev_ext) != 0) {
printf(" %s:\n", limits[i].extension);
prev_ext = limits[i].extension;
}
if (limits[i].count == 1) {
printf(" %s = %d\n", limits[i].name, max[0]);
}
else {
assert(limits[i].count == 2);
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_ARB_imaging:\n");
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;
printf(" GL_ARB_texture_compression:\n");
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_VERSION_4_3)
if (version >= 43) {
GLint i, n = 0;
printf(" 4.3:\n");
glGetIntegerv(GL_NUM_SHADING_LANGUAGE_VERSIONS, &n);
printf(" GL_NUM_SHADING_LANGUAGE_VERSIONS = %d\n", n);
for (i = 0; i < n; i++) {
printf(" %s\n", (const char *)
extfuncs->GetStringi(GL_SHADING_LANGUAGE_VERSION, i));
}
}
#endif
#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[] = {
{ GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT, "forward-compatible" },
{ GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB, "robust-access" },
{ GL_CONTEXT_FLAG_DEBUG_BIT, "debug" },
{ GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR, "no-error" },
};
return bitmask_to_string(bits, ELEMENTS(bits), mask);
}
static void
usage(void)
{
#ifdef _WIN32
printf("Usage: wglinfo [-v] [-t] [-h] [-b] [-l] [-s]\n");
#else
printf("Usage: glxinfo [-v] [-t] [-h] [-b] [-l] [-s] [-i] [-display <dname>]\n");
printf("\t-display <dname>: Print GLX visuals on specified server.\n");
printf("\t-i: Force an indirect rendering context.\n");
#endif
printf("\t-B: brief output, print only the basics.\n");
printf("\t-v: Print visuals info in verbose form.\n");
printf("\t-t: Print verbose visual information table.\n");
printf("\t-h: This information.\n");
printf("\t-b: Find the 'best' visual and print its number.\n");
printf("\t-l: Print interesting OpenGL limits.\n");
printf("\t-s: Print a single extension per line.\n");
}
void
parse_args(int argc, char *argv[], struct options *options)
{
int i;
options->mode = Normal;
options->findBest = GL_FALSE;
options->limits = GL_FALSE;
options->singleLine = GL_FALSE;
options->displayName = NULL;
options->allowDirect = GL_TRUE;
for (i = 1; i < argc; i++) {
#ifndef _WIN32
if (strcmp(argv[i], "-display") == 0 && i + 1 < argc) {
options->displayName = argv[i + 1];
i++;
}
else if (strcmp(argv[i], "-i") == 0) {
options->allowDirect = GL_FALSE;
}
else
#endif
if (strcmp(argv[i], "-t") == 0) {
options->mode = Wide;
}
else if (strcmp(argv[i], "-v") == 0) {
options->mode = Verbose;
}
else if (strcmp(argv[i], "-B") == 0) {
options->mode = Brief;
}
else if (strcmp(argv[i], "-b") == 0) {
options->findBest = GL_TRUE;
}
else if (strcmp(argv[i], "-l") == 0) {
options->limits = GL_TRUE;
}
else if (strcmp(argv[i], "-h") == 0) {
usage();
exit(0);
}
else if(strcmp(argv[i], "-s") == 0) {
options->singleLine = GL_TRUE;
}
else {
printf("Unknown option `%s'\n", argv[i]);
usage();
exit(0);
}
}
}
static void
query_ATI_meminfo(void)
{
#ifdef GL_ATI_meminfo
int i[4];
printf("Memory info (GL_ATI_meminfo):\n");
glGetIntegerv(GL_VBO_FREE_MEMORY_ATI, i);
printf(" VBO free memory - total: %u MB, largest block: %u MB\n",
i[0] / 1024, i[1] / 1024);
printf(" VBO free aux. memory - total: %u MB, largest block: %u MB\n",
i[2] / 1024, i[3] / 1024);
glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, i);
printf(" Texture free memory - total: %u MB, largest block: %u MB\n",
i[0] / 1024, i[1] / 1024);
printf(" Texture free aux. memory - total: %u MB, largest block: %u MB\n",
i[2] / 1024, i[3] / 1024);
glGetIntegerv(GL_RENDERBUFFER_FREE_MEMORY_ATI, i);
printf(" Renderbuffer free memory - total: %u MB, largest block: %u MB\n",
i[0] / 1024, i[1] / 1024);
printf(" Renderbuffer free aux. memory - total: %u MB, largest block: %u MB\n",
i[2] / 1024, i[3] / 1024);
#endif
}
static void
query_NVX_gpu_memory_info(void)
{
#ifdef GL_NVX_gpu_memory_info
int i;
printf("Memory info (GL_NVX_gpu_memory_info):\n");
glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &i);
printf(" Dedicated video memory: %u MB\n", i / 1024);
glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &i);
printf(" Total available memory: %u MB\n", i / 1024);
glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &i);
printf(" Currently available dedicated video memory: %u MB\n", i / 1024);
#endif
}
void
print_gpu_memory_info(const char *glExtensions)
{
if (strstr(glExtensions, "GL_ATI_meminfo"))
query_ATI_meminfo();
if (strstr(glExtensions, "GL_NVX_gpu_memory_info"))
query_NVX_gpu_memory_info();
}