Added generic ASTC formats and the corresponding WebGL extensions.

doc/changelog.dox

@@ -50,7 +50,7 @@ See also:
 -   New @ref BasicMutableImageView "MutableImageView*D" and
     @ref BasicMutableCompressedImageView "MutableCompressedImageView*D" types
     for mutable views onto image data
--   Added sRGB BC1-3, BC4, BC5, BC6G, BC7, ETC2 and EAC formats to
+-   Added sRGB BC1-3, BC4, BC5, BC6G, BC7, ETC2, EAC and ASTC formats to
     @ref CompressedPixelFormat as well as their conversion to corresponding
     GL/Vulkan formats in @ref GL::compressedPixelFormat() and
     @ref Vk::vkFormat(Magnum::CompressedPixelFormat)
@@ -84,6 +84,18 @@ See also:
 
 @subsubsection changelog-latest-new-gl GL library
 
+-   Additions to @ref GL::CompressedPixelFormat and compressed
+    @link GL::TextureFormat @endlink:
+    -   sRGB S3TC formats as defined by the @gl_extension{EXT,texture_sRGB}
+        desktop, @gl_extension{EXT,texture_compression_s3tc_srgb} ES and
+        @webgl_extension{WEBGL,compressed_texture_s3tc_srgb} WebGL extension
+    -   @gl_extension{EXT,texture_compression_rgtc} /
+        @gl_extension{EXT,texture_compression_bptc} OpenGL ES and
+        @webgl_extension{EXT,texture_compression_rgtc} /
+        @webgl_extension{EXT,texture_compression_bptc} WebGL extensions,
+        complementing the desktop support for BC4, BC5, BC6H and BC7 formats
+    -   @webgl_extension{WEBGL,texture_compression_astc} WebGL extension,
+        complementing the desktop and ES support for ASTC
 -   New @ref GL::AbstractFramebuffer::implementationColorReadFormat() and
     @ref GL::AbstractFramebuffer::implementationColorReadType() queries for
     more robust checks when doing framebuffer readbacks; together with three
@@ -158,17 +170,7 @@ See also:
     texture classes now can read the pixels into
     @ref BasicMutableImageView "MutableImageView*D" and
     @ref BasicMutableCompressedImageView "MutableCompressedImageView*D" as well
--   Added sRGB S3TC formats as defined by the
+
-    @gl_extension{EXT,texture_sRGB} desktop,
-    @gl_extension{EXT,texture_compression_s3tc_srgb} ES and
-    @webgl_extension{WEBGL,compressed_texture_s3tc_srgb} WebGL extension to
-    @ref GL::CompressedPixelFormat and @ref GL::TextureFormat
--   Added support for @gl_extension{EXT,texture_compression_rgtc} /
-    @gl_extension{EXT,texture_compression_bptc} OpenGL ES and
-    @webgl_extension{EXT,texture_compression_rgtc} /
-    @webgl_extension{EXT,texture_compression_bptc} WebGL extensions,
-    complementing the desktop support for BC4, BC5, BC6H and BC7 formats in
-    @ref GL::CompressedPixelFormat and @ref GL::TextureFormat
 
 @subsubsection changelog-latest-new-math Math library
 

doc/opengl-support.dox

@@ -529,6 +529,7 @@ Extension                                   | Status
 @gl_extension{EXT,texture_compression_bptc} | done
 @webgl_extension{OES,texture_float_linear}  | done
 @webgl_extension{WEBGL,compressed_texture_s3tc} | done
+@webgl_extension{WEBGL,compressed_texture_astc} | done
 @webgl_extension{WEBGL,compressed_texture_s3tc_srgb} | done
 
 @section opengl-unsupported Unsupported OpenGL features

src/Magnum/GL/AbstractTexture.cpp

@@ -747,36 +747,20 @@ PixelFormat pixelFormatForInternalFormat(const TextureFormat internalFormat) {
         case TextureFormat::CompressedRGBAS3tcDxt1:
         case TextureFormat::CompressedRGBAS3tcDxt3:
         case TextureFormat::CompressedRGBAS3tcDxt5:
-        #ifndef MAGNUM_TARGET_WEBGL
         case TextureFormat::CompressedRGBAAstc4x4:
-        case TextureFormat::CompressedSRGB8Alpha8Astc4x4:
         case TextureFormat::CompressedRGBAAstc5x4:
-        case TextureFormat::CompressedSRGB8Alpha8Astc5x4:
         case TextureFormat::CompressedRGBAAstc5x5:
-        case TextureFormat::CompressedSRGB8Alpha8Astc5x5:
         case TextureFormat::CompressedRGBAAstc6x5:
-        case TextureFormat::CompressedSRGB8Alpha8Astc6x5:
         case TextureFormat::CompressedRGBAAstc6x6:
-        case TextureFormat::CompressedSRGB8Alpha8Astc6x6:
         case TextureFormat::CompressedRGBAAstc8x5:
-        case TextureFormat::CompressedSRGB8Alpha8Astc8x5:
         case TextureFormat::CompressedRGBAAstc8x6:
-        case TextureFormat::CompressedSRGB8Alpha8Astc8x6:
         case TextureFormat::CompressedRGBAAstc8x8:
-        case TextureFormat::CompressedSRGB8Alpha8Astc8x8:
         case TextureFormat::CompressedRGBAAstc10x5:
-        case TextureFormat::CompressedSRGB8Alpha8Astc10x5:
         case TextureFormat::CompressedRGBAAstc10x6:
-        case TextureFormat::CompressedSRGB8Alpha8Astc10x6:
         case TextureFormat::CompressedRGBAAstc10x8:
-        case TextureFormat::CompressedSRGB8Alpha8Astc10x8:
         case TextureFormat::CompressedRGBAAstc10x10:
-        case TextureFormat::CompressedSRGB8Alpha8Astc10x10:
         case TextureFormat::CompressedRGBAAstc12x10:
-        case TextureFormat::CompressedSRGB8Alpha8Astc12x10:
         case TextureFormat::CompressedRGBAAstc12x12:
-        case TextureFormat::CompressedSRGB8Alpha8Astc12x12:
-        #endif
             return PixelFormat::RGBA;
 
         #if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2)
@@ -791,6 +775,20 @@ PixelFormat pixelFormatForInternalFormat(const TextureFormat internalFormat) {
         case TextureFormat::CompressedSRGBAlphaS3tcDxt1:
         case TextureFormat::CompressedSRGBAlphaS3tcDxt3:
         case TextureFormat::CompressedSRGBAlphaS3tcDxt5:
+        case TextureFormat::CompressedSRGB8Alpha8Astc4x4:
+        case TextureFormat::CompressedSRGB8Alpha8Astc5x4:
+        case TextureFormat::CompressedSRGB8Alpha8Astc5x5:
+        case TextureFormat::CompressedSRGB8Alpha8Astc6x5:
+        case TextureFormat::CompressedSRGB8Alpha8Astc6x6:
+        case TextureFormat::CompressedSRGB8Alpha8Astc8x5:
+        case TextureFormat::CompressedSRGB8Alpha8Astc8x6:
+        case TextureFormat::CompressedSRGB8Alpha8Astc8x8:
+        case TextureFormat::CompressedSRGB8Alpha8Astc10x5:
+        case TextureFormat::CompressedSRGB8Alpha8Astc10x6:
+        case TextureFormat::CompressedSRGB8Alpha8Astc10x8:
+        case TextureFormat::CompressedSRGB8Alpha8Astc10x10:
+        case TextureFormat::CompressedSRGB8Alpha8Astc12x10:
+        case TextureFormat::CompressedSRGB8Alpha8Astc12x12:
             #ifndef MAGNUM_TARGET_GLES2
             return PixelFormat::RGBA;
             #else
@@ -920,7 +918,6 @@ PixelType pixelTypeForInternalFormat(const TextureFormat internalFormat) {
         case TextureFormat::CompressedSRGBAlphaS3tcDxt3:
         case TextureFormat::CompressedRGBAS3tcDxt5:
         case TextureFormat::CompressedSRGBAlphaS3tcDxt5:
-        #ifndef MAGNUM_TARGET_WEBGL
         case TextureFormat::CompressedRGBAAstc4x4:
         case TextureFormat::CompressedSRGB8Alpha8Astc4x4:
         case TextureFormat::CompressedRGBAAstc5x4:
@@ -949,7 +946,6 @@ PixelType pixelTypeForInternalFormat(const TextureFormat internalFormat) {
         case TextureFormat::CompressedSRGB8Alpha8Astc12x10:
         case TextureFormat::CompressedRGBAAstc12x12:
         case TextureFormat::CompressedSRGB8Alpha8Astc12x12:
-        #endif
             return PixelType::UnsignedByte;
 
         #ifndef MAGNUM_TARGET_GLES2

src/Magnum/GL/Context.cpp

@@ -252,6 +252,7 @@ constexpr Extension ExtensionList[]{
     _extension(EXT,texture_compression_bptc),
     _extension(OES,texture_float_linear),
     _extension(WEBGL,compressed_texture_s3tc),
+    _extension(WEBGL,compressed_texture_astc),
     _extension(WEBGL,compressed_texture_s3tc_srgb)};
 constexpr Extension ExtensionListES300[]{
     #ifdef MAGNUM_TARGET_GLES2

src/Magnum/GL/Extensions.h

@@ -303,9 +303,10 @@ namespace ANGLE {
     _extension(27,WEBGL,color_buffer_float,         GLES200,    None) // #14
     _extension(28,WEBGL,draw_buffers,               GLES200, GLES300) // #18
     #endif
-    _extension(29,WEBGL,compressed_texture_s3tc_srgb, GLES200,  None) // #32
+    _extension(29,WEBGL,compressed_texture_astc,    GLES200,    None) // #30
+    _extension(30,WEBGL,compressed_texture_s3tc_srgb, GLES200,  None) // #32
 } namespace MAGNUM {
-    _extension(30,MAGNUM,shader_vertex_id,          GLES300, GLES300)
+    _extension(31,MAGNUM,shader_vertex_id,          GLES300, GLES300)
 }
 #else
 namespace ANDROID {

src/Magnum/GL/Implementation/compressedPixelFormatMapping.hpp

@@ -75,4 +75,32 @@ _s(Etc2RGB8A1Srgb)
 _s(Etc2RGBA8Unorm)
 _s(Etc2RGBA8Srgb)
 #endif
+_c(Astc4x4RGBAUnorm, RGBAAstc4x4)
+_c(Astc4x4RGBASrgb, SRGB8Alpha8Astc4x4)
+_c(Astc5x4RGBAUnorm, RGBAAstc5x4)
+_c(Astc5x4RGBASrgb, SRGB8Alpha8Astc5x4)
+_c(Astc5x5RGBAUnorm, RGBAAstc5x5)
+_c(Astc5x5RGBASrgb, SRGB8Alpha8Astc5x5)
+_c(Astc6x5RGBAUnorm, RGBAAstc6x5)
+_c(Astc6x5RGBASrgb, SRGB8Alpha8Astc6x5)
+_c(Astc6x6RGBAUnorm, RGBAAstc6x6)
+_c(Astc6x6RGBASrgb, SRGB8Alpha8Astc6x6)
+_c(Astc8x5RGBAUnorm, RGBAAstc8x5)
+_c(Astc8x5RGBASrgb, SRGB8Alpha8Astc8x5)
+_c(Astc8x6RGBAUnorm, RGBAAstc8x6)
+_c(Astc8x6RGBASrgb, SRGB8Alpha8Astc8x6)
+_c(Astc8x8RGBAUnorm, RGBAAstc8x8)
+_c(Astc8x8RGBASrgb, SRGB8Alpha8Astc8x8)
+_c(Astc10x5RGBAUnorm, RGBAAstc10x5)
+_c(Astc10x5RGBASrgb, SRGB8Alpha8Astc10x5)
+_c(Astc10x6RGBAUnorm, RGBAAstc10x6)
+_c(Astc10x6RGBASrgb, SRGB8Alpha8Astc10x6)
+_c(Astc10x8RGBAUnorm, RGBAAstc10x8)
+_c(Astc10x8RGBASrgb, SRGB8Alpha8Astc10x8)
+_c(Astc10x10RGBAUnorm, RGBAAstc10x10)
+_c(Astc10x10RGBASrgb, SRGB8Alpha8Astc10x10)
+_c(Astc12x10RGBAUnorm, RGBAAstc12x10)
+_c(Astc12x10RGBASrgb, SRGB8Alpha8Astc12x10)
+_c(Astc12x12RGBAUnorm, RGBAAstc12x12)
+_c(Astc12x12RGBASrgb, SRGB8Alpha8Astc12x12)
 #endif

src/Magnum/GL/PixelFormat.cpp

@@ -434,7 +434,6 @@ Debug& operator<<(Debug& debug, const CompressedPixelFormat value) {
         _c(SRGBAlphaS3tcDxt3)
         _c(RGBAS3tcDxt5)
         _c(SRGBAlphaS3tcDxt5)
-        #ifndef MAGNUM_TARGET_WEBGL
         _c(RGBAAstc4x4)
         _c(SRGB8Alpha8Astc4x4)
         _c(RGBAAstc5x4)
@@ -463,7 +462,6 @@ Debug& operator<<(Debug& debug, const CompressedPixelFormat value) {
         _c(SRGB8Alpha8Astc12x10)
         _c(RGBAAstc12x12)
         _c(SRGB8Alpha8Astc12x12)
-        #endif
         #undef _c
         /* LCOV_EXCL_STOP */
     }

src/Magnum/GL/PixelFormat.h

@@ -1020,7 +1020,6 @@ enum class CompressedPixelFormat: GLenum {
      */
     SRGBAlphaS3tcDxt5 = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,
 
-    #ifndef MAGNUM_TARGET_WEBGL
     /**
      * ASTC compressed RGBA with 4x4 blocks. **Available only on 2D, 3D, 2D
      * array, cube map and cube map array textures.**
@@ -1031,7 +1030,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc4x4 = GL_COMPRESSED_RGBA_ASTC_4x4_KHR,
 
@@ -1045,7 +1044,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc4x4 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR,
 
@@ -1059,7 +1058,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc5x4 = GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
 
@@ -1073,7 +1072,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc5x4 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
 
@@ -1087,7 +1086,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc5x5 = GL_COMPRESSED_RGBA_ASTC_5x5_KHR,
 
@@ -1101,7 +1100,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc5x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR,
 
@@ -1115,7 +1114,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc6x5 = GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
 
@@ -1129,7 +1128,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc6x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
 
@@ -1143,7 +1142,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc6x6 = GL_COMPRESSED_RGBA_ASTC_6x6_KHR,
 
@@ -1157,7 +1156,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc6x6 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR,
 
@@ -1171,7 +1170,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc8x5 = GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
 
@@ -1185,7 +1184,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc8x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
 
@@ -1199,7 +1198,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc8x6 = GL_COMPRESSED_RGBA_ASTC_8x6_KHR,
 
@@ -1213,7 +1212,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc8x6 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR,
 
@@ -1227,7 +1226,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc8x8 = GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
 
@@ -1241,7 +1240,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc8x8 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
 
@@ -1255,7 +1254,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc10x5 = GL_COMPRESSED_RGBA_ASTC_10x5_KHR,
 
@@ -1269,7 +1268,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc10x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR,
 
@@ -1283,7 +1282,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc10x6 = GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
 
@@ -1297,7 +1296,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc10x6 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
 
@@ -1311,7 +1310,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc10x8 = GL_COMPRESSED_RGBA_ASTC_10x8_KHR,
 
@@ -1325,7 +1324,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc10x8 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR,
 
@@ -1339,7 +1338,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc10x10 = GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
 
@@ -1353,7 +1352,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc10x10 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
 
@@ -1367,7 +1366,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc12x10 = GL_COMPRESSED_RGBA_ASTC_12x10_KHR,
 
@@ -1381,7 +1380,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc12x10 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR,
 
@@ -1395,7 +1394,7 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     RGBAAstc12x12 = GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
 
@@ -1409,10 +1408,9 @@ enum class CompressedPixelFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     ** @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     SRGB8Alpha8Astc12x12 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR
-    #endif
 };
 
 /**

src/Magnum/GL/TextureFormat.h

@@ -1322,7 +1322,6 @@ enum class TextureFormat: GLenum {
      */
     CompressedSRGBAlphaS3tcDxt5 = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT,
 
-    #ifndef MAGNUM_TARGET_WEBGL
     /**
      * ASTC compressed RGBA with 4x4 blocks. **Available only on 2D, 3D, 2D
      * array, cube map and cube map array textures.**
@@ -1333,7 +1332,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc4x4 = GL_COMPRESSED_RGBA_ASTC_4x4_KHR,
 
@@ -1347,7 +1346,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc4x4 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR,
 
@@ -1361,7 +1360,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc5x4 = GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
 
@@ -1375,7 +1374,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc5x4 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
 
@@ -1389,7 +1388,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc5x5 = GL_COMPRESSED_RGBA_ASTC_5x5_KHR,
 
@@ -1403,7 +1402,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc5x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR,
 
@@ -1417,7 +1416,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc6x5 = GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
 
@@ -1431,7 +1430,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc6x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
 
@@ -1445,7 +1444,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc6x6 = GL_COMPRESSED_RGBA_ASTC_6x6_KHR,
 
@@ -1459,7 +1458,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc6x6 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR,
 
@@ -1473,7 +1472,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc8x5 = GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
 
@@ -1487,7 +1486,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc8x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
 
@@ -1501,7 +1500,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc8x6 = GL_COMPRESSED_RGBA_ASTC_8x6_KHR,
 
@@ -1515,7 +1514,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc8x6 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR,
 
@@ -1529,7 +1528,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc8x8 = GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
 
@@ -1543,7 +1542,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc8x8 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
 
@@ -1557,7 +1556,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc10x5 = GL_COMPRESSED_RGBA_ASTC_10x5_KHR,
 
@@ -1571,7 +1570,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc10x5 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR,
 
@@ -1585,7 +1584,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc10x6 = GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
 
@@ -1599,7 +1598,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc10x6 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
 
@@ -1613,7 +1612,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc10x8 = GL_COMPRESSED_RGBA_ASTC_10x8_KHR,
 
@@ -1627,7 +1626,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc10x8 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR,
 
@@ -1641,7 +1640,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc10x10 = GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
 
@@ -1655,7 +1654,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc10x10 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
 
@@ -1669,7 +1668,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc12x10 = GL_COMPRESSED_RGBA_ASTC_12x10_KHR,
 
@@ -1683,7 +1682,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc12x10 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR,
 
@@ -1697,7 +1696,7 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedRGBAAstc12x12 = GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
 
@@ -1711,10 +1710,9 @@ enum class TextureFormat: GLenum {
      *      @gl_extension2{KHR,texture_compression_astc_ldr,KHR_texture_compression_astc_hdr}
      * @requires_es_extension Extension @gl_extension{KHR,texture_compression_astc_hdr}
      *      for 3D textures and HDR profile
-     * @requires_gles ASTC texture compression is not available in WebGL.
+     * @requires_webgl_extension Extension @webgl_extension{WEBGL,compressed_texture_astc}
      */
     CompressedSRGB8Alpha8Astc12x12 = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,
-    #endif
 
     /**
      * Depth component, size implementation-dependent. Not supported in 3D

src/Magnum/PixelFormat.cpp

@@ -214,6 +214,34 @@ Debug& operator<<(Debug& debug, const CompressedPixelFormat value) {
         _c(Etc2RGB8A1Srgb)
         _c(Etc2RGBA8Unorm)
         _c(Etc2RGBA8Srgb)
+        _c(Astc4x4RGBAUnorm)
+        _c(Astc4x4RGBASrgb)
+        _c(Astc5x4RGBAUnorm)
+        _c(Astc5x4RGBASrgb)
+        _c(Astc5x5RGBAUnorm)
+        _c(Astc5x5RGBASrgb)
+        _c(Astc6x5RGBAUnorm)
+        _c(Astc6x5RGBASrgb)
+        _c(Astc6x6RGBAUnorm)
+        _c(Astc6x6RGBASrgb)
+        _c(Astc8x5RGBAUnorm)
+        _c(Astc8x5RGBASrgb)
+        _c(Astc8x6RGBAUnorm)
+        _c(Astc8x6RGBASrgb)
+        _c(Astc8x8RGBAUnorm)
+        _c(Astc8x8RGBASrgb)
+        _c(Astc10x5RGBAUnorm)
+        _c(Astc10x5RGBASrgb)
+        _c(Astc10x6RGBAUnorm)
+        _c(Astc10x6RGBASrgb)
+        _c(Astc10x8RGBAUnorm)
+        _c(Astc10x8RGBASrgb)
+        _c(Astc10x10RGBAUnorm)
+        _c(Astc10x10RGBASrgb)
+        _c(Astc12x10RGBAUnorm)
+        _c(Astc12x10RGBASrgb)
+        _c(Astc12x12RGBAUnorm)
+        _c(Astc12x12RGBASrgb)
         #undef _c
         /* LCOV_EXCL_STOP */
     }

src/Magnum/PixelFormat.h

@@ -828,7 +828,301 @@ enum class CompressedPixelFormat: UnsignedInt {
      * @ref GL::TextureFormat::CompressedSRGB8Alpha8Etc2Eac /
      * @def_vk_keyword{FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK,Format}.
      */
-    Etc2RGBA8Srgb
+    Etc2RGBA8Srgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 4x4 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc4x4,
+     * @ref GL::TextureFormat::CompressedRGBAAstc4x4 /
+     * @def_vk_keyword{FORMAT_ASTC_4x4_UNORM_BLOCK,Format}.
+     */
+    Astc4x4RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 4x4
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc4x4,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc4x4 /
+     * @def_vk_keyword{FORMAT_ASTC_4x4_SRGB_BLOCK,Format}.
+     */
+    Astc4x4RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 5x4 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc5x4,
+     * @ref GL::TextureFormat::CompressedRGBAAstc5x4 /
+     * @def_vk_keyword{FORMAT_ASTC_5x4_UNORM_BLOCK,Format}.
+     */
+    Astc5x4RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 5x4
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc5x4,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc5x4 /
+     * @def_vk_keyword{FORMAT_ASTC_5x4_SRGB_BLOCK,Format}.
+     */
+    Astc5x4RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 5x5 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc5x5,
+     * @ref GL::TextureFormat::CompressedRGBAAstc5x5 /
+     * @def_vk_keyword{FORMAT_ASTC_5x5_UNORM_BLOCK,Format}.
+     */
+    Astc5x5RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 5x5
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc5x5,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc5x5 /
+     * @def_vk_keyword{FORMAT_ASTC_5x5_SRGB_BLOCK,Format}.
+     */
+    Astc5x5RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 6x5 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc6x5,
+     * @ref GL::TextureFormat::CompressedRGBAAstc6x5 /
+     * @def_vk_keyword{FORMAT_ASTC_6x5_UNORM_BLOCK,Format}.
+     */
+    Astc6x5RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 6x5
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc6x5,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc6x5 /
+     * @def_vk_keyword{FORMAT_ASTC_6x5_SRGB_BLOCK,Format}.
+     */
+    Astc6x5RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 6x6 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc6x6,
+     * @ref GL::TextureFormat::CompressedRGBAAstc6x6 /
+     * @def_vk_keyword{FORMAT_ASTC_6x6_UNORM_BLOCK,Format}.
+     */
+    Astc6x6RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 6x6
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc6x6,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc6x6 /
+     * @def_vk_keyword{FORMAT_ASTC_6x6_SRGB_BLOCK,Format}.
+     */
+    Astc6x6RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 8x5 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc8x5,
+     * @ref GL::TextureFormat::CompressedRGBAAstc8x5 /
+     * @def_vk_keyword{FORMAT_ASTC_8x5_UNORM_BLOCK,Format}.
+     */
+    Astc8x5RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 8x5
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc8x5,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc8x5 /
+     * @def_vk_keyword{FORMAT_ASTC_8x5_SRGB_BLOCK,Format}.
+     */
+    Astc8x5RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 8x6 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc8x6,
+     * @ref GL::TextureFormat::CompressedRGBAAstc8x6 /
+     * @def_vk_keyword{FORMAT_ASTC_8x6_UNORM_BLOCK,Format}.
+     */
+    Astc8x6RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 8x6
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc8x6,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc8x6 /
+     * @def_vk_keyword{FORMAT_ASTC_8x6_SRGB_BLOCK,Format}.
+     */
+    Astc8x6RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 8x8 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc8x8,
+     * @ref GL::TextureFormat::CompressedRGBAAstc8x8 /
+     * @def_vk_keyword{FORMAT_ASTC_8x8_UNORM_BLOCK,Format}.
+     */
+    Astc8x8RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 8x8
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc8x8,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc8x8 /
+     * @def_vk_keyword{FORMAT_ASTC_8x8_SRGB_BLOCK,Format}.
+     */
+    Astc8x8RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 10x5 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc10x5,
+     * @ref GL::TextureFormat::CompressedRGBAAstc10x5 /
+     * @def_vk_keyword{FORMAT_ASTC_10x5_UNORM_BLOCK,Format}.
+     */
+    Astc10x5RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 10x5
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc10x5,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc10x5 /
+     * @def_vk_keyword{FORMAT_ASTC_10x5_SRGB_BLOCK,Format}.
+     */
+    Astc10x5RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 10x6 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc10x6,
+     * @ref GL::TextureFormat::CompressedRGBAAstc10x6 /
+     * @def_vk_keyword{FORMAT_ASTC_10x6_UNORM_BLOCK,Format}.
+     */
+    Astc10x6RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 10x6
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc10x6,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc10x6 /
+     * @def_vk_keyword{FORMAT_ASTC_10x6_SRGB_BLOCK,Format}.
+     */
+    Astc10x6RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 10x8 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc10x8,
+     * @ref GL::TextureFormat::CompressedRGBAAstc10x8 /
+     * @def_vk_keyword{FORMAT_ASTC_10x8_UNORM_BLOCK,Format}.
+     */
+    Astc10x8RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 10x8
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc10x8,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc10x8 /
+     * @def_vk_keyword{FORMAT_ASTC_10x8_SRGB_BLOCK,Format}.
+     */
+    Astc10x8RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 10x10 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc10x10,
+     * @ref GL::TextureFormat::CompressedRGBAAstc10x10 /
+     * @def_vk_keyword{FORMAT_ASTC_10x10_UNORM_BLOCK,Format}.
+     */
+    Astc10x10RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 10x10
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc10x10,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc10x10 /
+     * @def_vk_keyword{FORMAT_ASTC_10x10_SRGB_BLOCK,Format}.
+     */
+    Astc10x10RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 12x10 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc12x10,
+     * @ref GL::TextureFormat::CompressedRGBAAstc12x10 /
+     * @def_vk_keyword{FORMAT_ASTC_12x10_UNORM_BLOCK,Format}.
+     */
+    Astc12x10RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 12x10
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc12x10,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc12x10 /
+     * @def_vk_keyword{FORMAT_ASTC_12x10_SRGB_BLOCK,Format}.
+     */
+    Astc12x10RGBASrgb,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed RGBA, normalized unsigned byte with 12x12 blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::RGBAAstc12x12,
+     * @ref GL::TextureFormat::CompressedRGBAAstc12x12 /
+     * @def_vk_keyword{FORMAT_ASTC_12x12_UNORM_BLOCK,Format}.
+     */
+    Astc12x12RGBAUnorm,
+
+    /**
+     * [ASTC](https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression)
+     * compressed sRGB + linear alpha, normalized unsigned byte with 12x12
+     * blocks.
+     *
+     * Corresponds to @ref GL::CompressedPixelFormat::SRGB8Alpha8Astc12x12,
+     * @ref GL::TextureFormat::CompressedSRGB8Alpha8Astc12x12 /
+     * @def_vk_keyword{FORMAT_ASTC_12x12_SRGB_BLOCK,Format}.
+     */
+    Astc12x12RGBASrgb
 };
 
 /** @debugoperatorenum{CompressedPixelFormat} */

src/Magnum/Vk/Implementation/compressedFormatMapping.hpp

@@ -51,4 +51,32 @@ _c(Etc2RGB8A1Unorm, ETC2_R8G8B8A1_UNORM_BLOCK)
 _c(Etc2RGB8A1Srgb, ETC2_R8G8B8A1_SRGB_BLOCK)
 _c(Etc2RGBA8Unorm, ETC2_R8G8B8A8_UNORM_BLOCK)
 _c(Etc2RGBA8Srgb, ETC2_R8G8B8A8_SRGB_BLOCK)
+_c(Astc4x4RGBAUnorm, ASTC_4x4_UNORM_BLOCK)
+_c(Astc4x4RGBASrgb, ASTC_4x4_SRGB_BLOCK)
+_c(Astc5x4RGBAUnorm, ASTC_5x4_UNORM_BLOCK)
+_c(Astc5x4RGBASrgb, ASTC_5x4_SRGB_BLOCK)
+_c(Astc5x5RGBAUnorm, ASTC_5x5_UNORM_BLOCK)
+_c(Astc5x5RGBASrgb, ASTC_5x5_SRGB_BLOCK)
+_c(Astc6x5RGBAUnorm, ASTC_6x5_UNORM_BLOCK)
+_c(Astc6x5RGBASrgb, ASTC_6x5_SRGB_BLOCK)
+_c(Astc6x6RGBAUnorm, ASTC_6x6_UNORM_BLOCK)
+_c(Astc6x6RGBASrgb, ASTC_6x6_SRGB_BLOCK)
+_c(Astc8x5RGBAUnorm, ASTC_8x5_UNORM_BLOCK)
+_c(Astc8x5RGBASrgb, ASTC_8x5_SRGB_BLOCK)
+_c(Astc8x6RGBAUnorm, ASTC_8x6_UNORM_BLOCK)
+_c(Astc8x6RGBASrgb, ASTC_8x6_SRGB_BLOCK)
+_c(Astc8x8RGBAUnorm, ASTC_8x8_UNORM_BLOCK)
+_c(Astc8x8RGBASrgb, ASTC_8x8_SRGB_BLOCK)
+_c(Astc10x5RGBAUnorm, ASTC_10x5_UNORM_BLOCK)
+_c(Astc10x5RGBASrgb, ASTC_10x5_SRGB_BLOCK)
+_c(Astc10x6RGBAUnorm, ASTC_10x6_UNORM_BLOCK)
+_c(Astc10x6RGBASrgb, ASTC_10x6_SRGB_BLOCK)
+_c(Astc10x8RGBAUnorm, ASTC_10x8_UNORM_BLOCK)
+_c(Astc10x8RGBASrgb, ASTC_10x8_SRGB_BLOCK)
+_c(Astc10x10RGBAUnorm, ASTC_10x10_UNORM_BLOCK)
+_c(Astc10x10RGBASrgb, ASTC_10x10_SRGB_BLOCK)
+_c(Astc12x10RGBAUnorm, ASTC_12x10_UNORM_BLOCK)
+_c(Astc12x10RGBASrgb, ASTC_12x10_SRGB_BLOCK)
+_c(Astc12x12RGBAUnorm, ASTC_12x12_UNORM_BLOCK)
+_c(Astc12x12RGBASrgb, ASTC_12x12_SRGB_BLOCK)
 #endif

src/MagnumExternal/OpenGL/GLES2/Emscripten/extensions.txt

@@ -28,3 +28,4 @@ extension EXT_texture_compression_bptc          optional
 extension EXT_color_buffer_float                optional
 extension EXT_texture_compression_s3tc          optional
 extension EXT_texture_compression_s3tc_srgb     optional
+extension KHR_texture_compression_astc_ldr      optional

src/MagnumExternal/OpenGL/GLES2/flextGLEmscripten.h

@@ -520,6 +520,37 @@ typedef khronos_uint64_t GLuint64;
 #define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT 0x8C4E
 #define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT 0x8C4F
 
+/* GL_KHR_texture_compression_astc_ldr */
+
+#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
+#define GL_COMPRESSED_RGBA_ASTC_5x4_KHR 0x93B1
+#define GL_COMPRESSED_RGBA_ASTC_5x5_KHR 0x93B2
+#define GL_COMPRESSED_RGBA_ASTC_6x5_KHR 0x93B3
+#define GL_COMPRESSED_RGBA_ASTC_6x6_KHR 0x93B4
+#define GL_COMPRESSED_RGBA_ASTC_8x5_KHR 0x93B5
+#define GL_COMPRESSED_RGBA_ASTC_8x6_KHR 0x93B6
+#define GL_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93B7
+#define GL_COMPRESSED_RGBA_ASTC_10x5_KHR 0x93B8
+#define GL_COMPRESSED_RGBA_ASTC_10x6_KHR 0x93B9
+#define GL_COMPRESSED_RGBA_ASTC_10x8_KHR 0x93BA
+#define GL_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB
+#define GL_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC
+#define GL_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
+
 /* Function prototypes */
 
 /* GL_ANGLE_instanced_arrays */

src/MagnumExternal/OpenGL/GLES3/Emscripten/extensions.txt

@@ -11,3 +11,4 @@ extension EXT_texture_compression_bptc          optional
 # These are used as a base for WEBGL_* extensions
 extension EXT_texture_compression_s3tc          optional
 extension EXT_texture_compression_s3tc_srgb     optional
+extension KHR_texture_compression_astc_ldr      optional

src/MagnumExternal/OpenGL/GLES3/flextGLEmscripten.h

@@ -759,6 +759,37 @@ typedef struct __GLsync *GLsync;
 #define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT 0x8C4E
 #define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT 0x8C4F
 
+/* GL_KHR_texture_compression_astc_ldr */
+
+#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
+#define GL_COMPRESSED_RGBA_ASTC_5x4_KHR 0x93B1
+#define GL_COMPRESSED_RGBA_ASTC_5x5_KHR 0x93B2
+#define GL_COMPRESSED_RGBA_ASTC_6x5_KHR 0x93B3
+#define GL_COMPRESSED_RGBA_ASTC_6x6_KHR 0x93B4
+#define GL_COMPRESSED_RGBA_ASTC_8x5_KHR 0x93B5
+#define GL_COMPRESSED_RGBA_ASTC_8x6_KHR 0x93B6
+#define GL_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93B7
+#define GL_COMPRESSED_RGBA_ASTC_10x5_KHR 0x93B8
+#define GL_COMPRESSED_RGBA_ASTC_10x6_KHR 0x93B9
+#define GL_COMPRESSED_RGBA_ASTC_10x8_KHR 0x93BA
+#define GL_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB
+#define GL_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC
+#define GL_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
+#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
+
 /* Function prototypes */
 
 /* GL_ES_VERSION_2_0 */