First-class WebGL support, part 13: reduce version enum.

src/Magnum/Context.cpp

@@ -323,8 +323,10 @@ const std::vector<Extension>& Extension::extensions(Version version) {
             #else
             return empty;
             #endif
+        #ifndef MAGNUM_TARGET_WEBGL
         case Version::GLES310: return empty;
         #endif
+        #endif
     }
 
     CORRADE_ASSERT_UNREACHABLE();
@@ -435,8 +437,10 @@ Context::Context(void functionLoader()) {
         #else
         Version::GLES200,
         Version::GLES300,
+        #ifndef MAGNUM_TARGET_WEBGL
         Version::GLES310,
         #endif
+        #endif
         Version::None
     };
 

src/Magnum/Platform/magnum-info.cpp

@@ -261,8 +261,10 @@ MagnumInfo::MagnumInfo(const Arguments& arguments): Platform::WindowlessApplicat
         Version::GL450,
         #else
         Version::GLES300,
+        #ifndef MAGNUM_TARGET_WEBGL
         Version::GLES310,
         #endif
+        #endif
         Version::None
     };
     std::size_t future = 0;

src/Magnum/Version.cpp

@@ -46,6 +46,9 @@ Debug operator<<(Debug debug, Version value) {
         _c(GL430, "OpenGL 4.3")
         _c(GL440, "OpenGL 4.4")
         _c(GL450, "OpenGL 4.5")
+        #elif defined(MAGNUM_TARGET_WEBGL)
+        _c(GLES200, "WebGL 1.0")
+        _c(GLES300, "WebGL 2.0")
         #else
         _c(GLES200, "OpenGL ES 2.0")
         _c(GLES300, "OpenGL ES 3.0")

src/Magnum/Version.h

@@ -58,7 +58,7 @@ enum class Version: Int {
     #endif
 
     /**
-     * @brief OpenGL ES 2.0, GLSL ES 1.00
+     * @brief OpenGL ES 2.0 or WebGL 1.0, GLSL ES 1.00
      *
      * All the functionality is present in OpenGL 4.2 (extension
      * @extension{ARB,ES2_compatibility}), so on desktop OpenGL this is
@@ -71,7 +71,7 @@ enum class Version: Int {
     #endif
 
     /**
-     * @brief OpenGL ES 3.0, GLSL ES 3.00
+     * @brief OpenGL ES 3.0 or WebGL 2.0, GLSL ES 3.00
      *
      * All the functionality is present in OpenGL 4.3 (extension
      * @extension{ARB,ES3_compatibility}), so on desktop OpenGL this is the
@@ -83,6 +83,7 @@ enum class Version: Int {
     GLES300 = 300,
     #endif
 
+    #ifndef MAGNUM_TARGET_WEBGL
     /**
      * @brief OpenGL ES 3.1, GLSL ES 3.10
      *
@@ -95,6 +96,7 @@ enum class Version: Int {
     #else
     GLES310 = 310
     #endif
+    #endif
 };
 
 /** @brief Enum value from major and minor version number */