/*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 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"),
* Brian Paul 26 January 2000
*/
-#define DO_GLU /* may want to remove this for easier XFree86 building? */
-
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <GL/gl.h>
-#ifdef DO_GLU
-#include <GL/glu.h>
-#endif
#include <GL/glx.h>
#include <stdio.h>
#include <string.h>
}
+/**
+ * Print interesting limits for vertex/fragment programs.
+ */
static void
-print_limits(void)
+print_program_limits(GLenum target)
+{
+#if defined(GL_ARB_vertex_program) || defined(GL_ARB_fragment_program)
+ struct token_name {
+ GLenum token;
+ const char *name;
+ };
+ static const struct token_name 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" },
+ { 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 }
+ };
+ PFNGLGETPROGRAMIVARBPROC GetProgramivARB_func = (PFNGLGETPROGRAMIVARBPROC)
+ glXGetProcAddressARB((GLubyte *) "glGetProgramivARB");
+ 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; limits[i].token; i++) {
+ GetProgramivARB_func(target, limits[i].token, max);
+ if (glGetError() == GL_NO_ERROR) {
+ printf(" %s = %d\n", limits[i].name, max[0]);
+ }
+ }
+#endif /* GL_ARB_vertex_program */
+}
+
+
+/**
+ * Print interesting limits for vertex/fragment shaders.
+ */
+static void
+print_shader_limits(GLenum target)
+{
+ struct token_name {
+ GLenum token;
+ const char *name;
+ };
+#if defined(GL_ARB_vertex_shader)
+ 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" },
+ { (GLenum) 0, NULL }
+ };
+#endif
+#if defined(GL_ARB_fragment_shader)
+ 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" },
+ { (GLenum) 0, NULL }
+ };
+#endif
+ GLint max[1];
+ int i;
+
+#if defined(GL_ARB_vertex_shader)
+ if (target == GL_VERTEX_SHADER_ARB) {
+ printf(" GL_VERTEX_SHADER_ARB:\n");
+ for (i = 0; vertex_limits[i].token; i++) {
+ glGetIntegerv(vertex_limits[i].token, max);
+ if (glGetError() == GL_NO_ERROR) {
+ printf(" %s = %d\n", vertex_limits[i].name, max[0]);
+ }
+ }
+ }
+#endif
+#if defined(GL_ARB_fragment_shader)
+ if (target == GL_FRAGMENT_SHADER_ARB) {
+ printf(" GL_FRAGMENT_SHADER_ARB:\n");
+ for (i = 0; fragment_limits[i].token; i++) {
+ glGetIntegerv(fragment_limits[i].token, max);
+ if (glGetError() == GL_NO_ERROR) {
+ printf(" %s = %d\n", fragment_limits[i].name, max[0]);
+ }
+ }
+ }
+#endif
+}
+
+
+/**
+ * Print interesting OpenGL implementation limits.
+ */
+static void
+print_limits(const char *extensions)
{
struct token_name {
GLuint count;
{ 1, GL_MAX_TEXTURE_STACK_DEPTH, "GL_MAX_TEXTURE_STACK_DEPTH" },
{ 1, GL_MAX_TEXTURE_SIZE, "GL_MAX_TEXTURE_SIZE" },
{ 1, GL_MAX_3D_TEXTURE_SIZE, "GL_MAX_3D_TEXTURE_SIZE" },
+ { 2, GL_MAX_VIEWPORT_DIMS, "GL_MAX_VIEWPORT_DIMS" },
+ { 2, GL_ALIASED_LINE_WIDTH_RANGE, "GL_ALIASED_LINE_WIDTH_RANGE" },
+ { 2, GL_SMOOTH_LINE_WIDTH_RANGE, "GL_SMOOTH_LINE_WIDTH_RANGE" },
+ { 2, GL_ALIASED_POINT_SIZE_RANGE, "GL_ALIASED_POINT_SIZE_RANGE" },
+ { 2, GL_SMOOTH_POINT_SIZE_RANGE, "GL_SMOOTH_POINT_SIZE_RANGE" },
+#if defined(GL_ARB_texture_cube_map)
{ 1, GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB" },
+#endif
+#if defined(GLX_NV_texture_rectangle)
{ 1, GL_MAX_RECTANGLE_TEXTURE_SIZE_NV, "GL_MAX_RECTANGLE_TEXTURE_SIZE_NV" },
+#endif
+#if defined(GL_ARB_texture_compression)
{ 1, GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, "GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB" },
+#endif
+#if defined(GL_ARB_multitexture)
{ 1, GL_MAX_TEXTURE_UNITS_ARB, "GL_MAX_TEXTURE_UNITS_ARB" },
+#endif
+#if defined(GL_EXT_texture_lod_bias)
{ 1, GL_MAX_TEXTURE_LOD_BIAS_EXT, "GL_MAX_TEXTURE_LOD_BIAS_EXT" },
+#endif
+#if defined(GL_EXT_texture_filter_anisotropic)
{ 1, GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT" },
- { 2, GL_MAX_VIEWPORT_DIMS, "GL_MAX_VIEWPORT_DIMS" },
- { 2, GL_ALIASED_LINE_WIDTH_RANGE, "GL_ALIASED_LINE_WIDTH_RANGE" },
- { 2, GL_SMOOTH_LINE_WIDTH_RANGE, "GL_SMOOTH_LINE_WIDTH_RANGE" },
- { 2, GL_ALIASED_POINT_SIZE_RANGE, "GL_ALIASED_POINT_SIZE_RANGE" },
- { 2, GL_SMOOTH_POINT_SIZE_RANGE, "GL_SMOOTH_POINT_SIZE_RANGE" },
+#endif
+#if defined(GL_ARB_draw_buffers)
+ { 1, GL_MAX_DRAW_BUFFERS_ARB, "GL_MAX_DRAW_BUFFERS_ARB" },
+#endif
{ 0, (GLenum) 0, NULL }
};
GLint i, max[2];
+
printf("OpenGL limits:\n");
for (i = 0; limits[i].count; i++) {
glGetIntegerv(limits[i].token, max);
- if (glGetError() == GL_NONE) {
+ 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 */
glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_WIDTH, max);
glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_HEIGHT, max+1);
printf(" GL_MAX_CONVOLUTION_WIDTH/HEIGHT = %d, %d\n", max[0], max[1]);
}
+ if (strstr(extensions, "GL_ARB_vertex_program")) {
+ print_program_limits(GL_VERTEX_PROGRAM_ARB);
+ }
+ if (strstr(extensions, "GL_ARB_fragment_program")) {
+ print_program_limits(GL_FRAGMENT_PROGRAM_ARB);
+ }
+ if (strstr(extensions, "GL_ARB_vertex_shader")) {
+ print_shader_limits(GL_VERTEX_SHADER_ARB);
+ }
+ if (strstr(extensions, "GL_ARB_fragment_shader")) {
+ print_shader_limits(GL_FRAGMENT_SHADER_ARB);
+ }
}
int glxVersionMinor;
char *displayName = NULL;
char *colon = NULL, *period = NULL;
-#ifdef DO_GLU
- const char *gluVersion = (const char *) gluGetString(GLU_VERSION);
- const char *gluExtensions = (const char *) gluGetString(GLU_EXTENSIONS);
-#endif
if (! glXQueryVersion( dpy, & glxVersionMajor, & glxVersionMinor )) {
fprintf(stderr, "Error: glXQueryVersion failed\n");
printf("OpenGL extensions:\n");
print_extension_list(glExtensions);
if (limits)
- print_limits();
-#ifdef DO_GLU
- printf("glu version: %s\n", gluVersion);
- printf("glu extensions:\n");
- print_extension_list(gluExtensions);
-#endif
+ print_limits(glExtensions);
}
else {
fprintf(stderr, "Error: glXMakeCurrent failed\n");
/* multisample attribs */
#ifdef GLX_ARB_multisample
- if (strstr("GLX_ARB_multisample", ext) == 0) {
+ if (ext && strstr(ext, "GLX_ARB_multisample") == 0) {
glXGetConfig(dpy, vInfo, GLX_SAMPLE_BUFFERS_ARB, &attribs->numMultisample);
glXGetConfig(dpy, vInfo, GLX_SAMPLES_ARB, &attribs->numSamples);
}
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