Add ktx

ktx/tests/loadtests/glloadtests/shader-based/mygl.h

@@ -0,0 +1,81 @@
+/* -*- tab-width: 4; -*- */
+/* vi: set sw=2 ts=4 expandtab: */
+
+/*
+ * Copyright 2016-2020 Mark Callow.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file
+ * @brief   Include appropriate version of gl.h for the shader-based tests.
+ *
+ * This is a separate header to avoid repetition of these conditionals.
+ */
+
+#ifndef MYGL_H
+#define MYGL_H
+
+#include <SDL3/SDL_video.h>  // For the SDL_GL_CONTEXT_PROFILE macros
+
+#if GL_CONTEXT_PROFILE == SDL_GL_CONTEXT_PROFILE_CORE
+  #ifdef _WIN32
+    #include <windows.h>
+    #undef KTX_USE_GETPROC  /* Must use GETPROC on Windows */
+    #define KTX_USE_GETPROC 1
+  #else
+    #if !defined(KTX_USE_GETPROC)
+      #define KTX_USE_GETPROC 0
+    #endif
+  #endif
+  #if KTX_USE_GETPROC
+    #include <GL/glew.h>
+  #else
+    #define GL_GLEXT_PROTOTYPES
+    #include <GL/glcorearb.h>
+  #endif
+
+//#define GL_APIENTRY APIENTRY
+
+#elif GL_CONTEXT_PROFILE == SDL_GL_CONTEXT_PROFILE_COMPATIBILITY
+
+  #error This application is not intended to run in compatibility mode.
+
+#elif GL_CONTEXT_PROFILE == SDL_GL_CONTEXT_PROFILE_ES
+
+  #if GL_CONTEXT_MAJOR_VERSION == 1
+
+    #error This application cannot run on OpenGL ES 1.
+
+  #elif GL_CONTEXT_MAJOR_VERSION == 2
+
+    #define GL_GLEXT_PROTOTYPES
+    #include <GLES2/gl2.h>
+    #include <GLES2/gl2ext.h>
+
+  #elif GL_CONTEXT_MAJOR_VERSION == 3
+
+    #define GL_GLEXT_PROTOTYPES
+    #include <GLES3/gl3.h>
+    #include <GLES2/gl2ext.h>
+
+  #else
+
+    #error Unexpected GL_CONTEXT_MAJOR_VERSION
+
+  #endif
+
+#endif
+
+/* To help find supported transcode targets */
+#if !defined(GL_ETC1_RGB8_OES)
+  #define GL_ETC1_RGB8_OES                  0x8D64
+#endif
+#if !defined(GL_COMPRESSED_RGB8_ETC2)
+  #define GL_COMPRESSED_RGB8_ETC2           0x9274
+#endif
+#if !defined(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
+  #define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT  0x83F3
+#endif
+
+#endif /* MYGL_H */