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WebGL: fix isTextureFormatSupported for ETC2 formats.

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It was assumed that ETC2 is supported on all ES3 devices, but WebGL on
desktop machines does not support ETC2.

Note that WebGL has its own special extension strings for compressed
textures.
This commit is contained in:
Philip Rideout
2022-04-29 12:04:59 -07:00
parent be5b60f895
commit b6b8fee483
1 changed files with 2 additions and 0 deletions
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filament/backend/src/opengl/OpenGLContext.cpp
+2
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@@ -306,7 +306,9 @@ void OpenGLContext::initExtensionsGLES() noexcept {
ext.EXT_multisampled_render_to_texture = exts.has("GL_EXT_multisampled_render_to_texture"sv);
ext.EXT_multisampled_render_to_texture2 = exts.has("GL_EXT_multisampled_render_to_texture2"sv);
ext.EXT_shader_framebuffer_fetch = exts.has("GL_EXT_shader_framebuffer_fetch"sv);
#if !defined(__EMSCRIPTEN__)
ext.EXT_texture_compression_etc2 = true;
#endif
ext.EXT_texture_filter_anisotropic = exts.has("GL_EXT_texture_filter_anisotropic"sv);
ext.GOOGLE_cpp_style_line_directive = exts.has("GL_GOOGLE_cpp_style_line_directive"sv);
ext.KHR_debug = exts.has("GL_KHR_debug"sv);