sync code with last improvements from OpenBSD

app/glxinfo/glinfo_common.h

@@ -0,0 +1,145 @@
+/*
+ * 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.
+ */
+
+
+/**
+ * Common code shared by glxinfo and wglinfo.
+ */
+
+#ifndef GLINFO_COMMON_H
+#define GLINFO_COMMON_H
+
+
+#ifdef _WIN32
+/* GL/glext.h is not commonly available on Windows. */
+#include <GL/glew.h>
+#else
+#include <GL/gl.h>
+#include <GL/glext.h>
+#endif
+
+typedef void (APIENTRY * GETPROGRAMIVARBPROC) (GLenum target, GLenum pname, GLint *params);
+typedef const GLubyte *(APIENTRY * GETSTRINGIPROC) (GLenum name, GLuint index);
+typedef void (APIENTRY * GETCONVOLUTIONPARAMETERIVPROC) (GLenum target, GLenum pname, GLint *params);
+
+
+/**
+ * Ext functions needed in common code but must be provided by
+ * glxinfo or wglinfo.
+ */
+struct ext_functions
+{
+   GETPROGRAMIVARBPROC GetProgramivARB;
+   GETSTRINGIPROC GetStringi;
+   GETCONVOLUTIONPARAMETERIVPROC GetConvolutionParameteriv;
+};
+
+
+#define ELEMENTS(array) (sizeof(array) / sizeof(array[0]))
+
+
+struct bit_info
+{
+   int bit;
+   const char *name;
+};
+
+
+typedef enum
+{
+   Normal,
+   Wide,
+   Verbose,
+   Brief
+} InfoMode;
+
+
+struct options
+{
+   InfoMode mode;
+   GLboolean findBest;
+   GLboolean limits;
+   GLboolean singleLine;
+   /* GLX only */
+   char *displayName;
+   GLboolean allowDirect;
+};
+
+
+/** list of known OpenGL versions */
+static const struct { int major, minor; } gl_versions[] = {
+   {4, 6},
+   {4, 5},
+   {4, 4},
+   {4, 3},
+   {4, 2},
+   {4, 1},
+   {4, 0},
+
+   {3, 3},
+   {3, 2},
+   {3, 1},
+   {3, 0},
+
+   {2, 1},
+   {2, 0},
+
+   {1, 5},
+   {1, 4},
+   {1, 3},
+   {1, 2},
+   {1, 1},
+   {1, 0},
+
+   {0, 0} /* end of list */
+};
+
+
+void
+print_extension_list(const char *ext, GLboolean singleLine);
+
+char *
+build_core_profile_extension_list(const struct ext_functions *extfuncs);
+
+GLboolean
+extension_supported(const char *ext, const char *extensionsList);
+
+void
+print_limits(const char *extensions, const char *oglstring, int version,
+             const struct ext_functions *extfuncs);
+
+const char *
+bitmask_to_string(const struct bit_info bits[], int numBits, int mask);
+
+const char *
+profile_mask_string(int mask);
+
+const char *
+context_flags_string(int mask);
+
+
+void
+parse_args(int argc, char *argv[], struct options *options);
+
+void
+print_gpu_memory_info(const char *glExtensions);
+
+#endif /* GLINFO_COMMON_H */