initial commit, 4.5 stable

thirdparty/libktx/lib/texture_funcs.inl

@@ -0,0 +1,61 @@
+/* -*- tab-width: 4; -*- */
+/* vi: set sw=2 ts=4 expandtab textwidth=70: */
+
+/*
+ * Copyright 2019-2020 The Khronos Group Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @internal
+ * @file
+ * @~English
+ *
+ * @brief Templates for functions common to base & derived ktxTexture classes.
+ *
+ * Define CLASS before including this file.
+ */
+
+#define CAT(c, n) PRIMITIVE_CAT(c, n)
+#define PRIMITIVE_CAT(c, n) c ## _ ## n
+
+#define CLASS_FUNC(name) CAT(CLASS, name)
+
+/*
+ ======================================
+     Virtual ktxTexture functions
+ ======================================
+*/
+
+
+ktx_size_t CLASS_FUNC(GetImageSize)(CLASS* This, ktx_uint32_t level);
+KTX_error_code CLASS_FUNC(GLUpload)(CLASS* This, GLuint* pTexture,
+                                    GLenum* pTarget, GLenum* pGlerror);
+KTX_error_code CLASS_FUNC(IterateLevels)(CLASS* This,
+                                         PFNKTXITERCB iterCb,
+                                         void* userdata);
+KTX_error_code CLASS_FUNC(IterateLevelFaces)(CLASS* This,
+                                             PFNKTXITERCB iterCb,
+                                             void* userdata);
+KTX_error_code CLASS_FUNC(IterateLoadLevelFaces)(CLASS* This,
+                                                 PFNKTXITERCB iterCb,
+                                                 void* userdata);
+KTX_error_code CLASS_FUNC(SetImageFromStdioStream)(CLASS* This,
+                                    ktx_uint32_t level,ktx_uint32_t layer,
+                                    ktx_uint32_t faceSlice,
+                                    FILE* src, ktx_size_t srcSize);
+KTX_error_code CLASS_FUNC(SetImageFromMemory)(CLASS* This,
+                               ktx_uint32_t level, ktx_uint32_t layer,
+                               ktx_uint32_t faceSlice,
+                               const ktx_uint8_t* src, ktx_size_t srcSize);
+
+
+/*
+ ======================================
+     Internal ktxTexture functions
+ ======================================
+*/
+
+
+void CLASS_FUNC(destruct)(CLASS* This);
+