Add ktx

2026-06-14 19:09:18 +01:00
parent 14bd1a9271
commit 13fa90a0e9
3958 changed files with 999286 additions and 4 deletions
@@ -0,0 +1,132 @@
+/* -*- tab-width: 4; -*- */
+/* vi: set sw=2 ts=4 expandtab textwidth=70: */
+
+/*
+ * Copyright 2024 Mark Callow.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @internal
+ * @file
+ * @~English
+ *
+ * @brief Get GL format information matching a VkFormat
+ *
+ */
+
+#ifndef _VK2GL_H_
+#define _VK2GL_H_
+
+#include "vkformat_enum.h"
+#include "GL/glcorearb.h"
+
+// These are only in glext.h.
+#if !defined( GL_COMPRESSED_SRGB_S3TC_DXT1_EXT )
+#define GL_COMPRESSED_SRGB_S3TC_DXT1_EXT                0x8C4C
+#endif
+#if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT )
+#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT          0x8C4D
+#endif
+#if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT )
+#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT          0x8C4E
+#endif
+#if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT )
+#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT          0x8C4F
+#endif
+
+// These are only in GLES headers not in glcorearb.h or glext.h.
+
+//
+// ETC
+//
+
+#if !defined( GL_ETC1_RGB8_OES )
+#define GL_ETC1_RGB8_OES                                0x8D64
+#endif
+
+//
+// PVRTC
+//
+
+#if !defined( GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG )
+#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG              0x8C01
+#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG              0x8C00
+#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG             0x8C03
+#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG             0x8C02
+#endif
+#if !defined( GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG )
+#define GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG             0x9137
+#define GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG             0x9138
+#endif
+#if !defined( GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT )
+#define GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT             0x8A54
+#define GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT             0x8A55
+#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT       0x8A56
+#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT       0x8A57
+#endif
+#if !defined( GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG )
+#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG       0x93F0
+#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG       0x93F1
+#endif
+
+//
+// ASTC
+//
+
+#if !defined( GL_COMPRESSED_RGBA_ASTC_3x3x3_OES )
+#define GL_COMPRESSED_RGBA_ASTC_3x3x3_OES               0x93C0
+#define GL_COMPRESSED_RGBA_ASTC_4x3x3_OES               0x93C1
+#define GL_COMPRESSED_RGBA_ASTC_4x4x3_OES               0x93C2
+#define GL_COMPRESSED_RGBA_ASTC_4x4x4_OES               0x93C3
+#define GL_COMPRESSED_RGBA_ASTC_5x4x4_OES               0x93C4
+#define GL_COMPRESSED_RGBA_ASTC_5x5x4_OES               0x93C5
+#define GL_COMPRESSED_RGBA_ASTC_5x5x5_OES               0x93C6
+#define GL_COMPRESSED_RGBA_ASTC_6x5x5_OES               0x93C7
+#define GL_COMPRESSED_RGBA_ASTC_6x6x5_OES               0x93C8
+#define GL_COMPRESSED_RGBA_ASTC_6x6x6_OES               0x93C9
+#endif
+
+#if !defined( GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES )
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES       0x93E0
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES       0x93E1
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES       0x93E2
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES       0x93E3
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES       0x93E4
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES       0x93E5
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES       0x93E6
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES       0x93E7
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES       0x93E8
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES       0x93E9
+#endif
+
+static inline GLenum vkFormat2glInternalFormat( VkFormat vkFormat )
+{
+    switch ( vkFormat )
+    {
+#include "vkFormat2glInternalFormat.inl"
+        default: return GL_INVALID_VALUE;
+    }
+}
+
+
+static inline GLenum vkFormat2glFormat( VkFormat vkFormat )
+{
+    switch ( vkFormat )
+    {
+#include "vkFormat2glFormat.inl"
+        default: return GL_INVALID_VALUE;
+    }
+}
+
+static inline GLenum vkFormat2glType( VkFormat vkFormat )
+{
+    switch ( vkFormat )
+    {
+#include "vkFormat2glType.inl"
+        default: return GL_INVALID_VALUE;
+    }
+}
+
+#endif /* _VK2GL_H_ */
+