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Log supported OpenGL extensions if VAO is in doubt.

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This commit is contained in:
Emil Ernerfeldt 2022-03-23 10:10:12 +01:00
parent ea9393aa9b
commit 85e3ec5027
1 changed files with 9 additions and 6 deletions
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15
egui_glow/src/vao.rs
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@ -123,8 +123,9 @@ fn supports_vao(gl: &glow::Context) -> bool {
let version_str = &version_string[pos + WEBGL_PREFIX.len()..];
if version_str.contains("1.0") {
// need to test OES_vertex_array_object .
gl.supported_extensions()
.contains("OES_vertex_array_object")
let supported_extensions = gl.supported_extensions();
tracing::debug!("Supported OpenGL extensions: {:?}", supported_extensions);
supported_extensions.contains("OES_vertex_array_object")
} else {
true
}
@ -132,8 +133,9 @@ fn supports_vao(gl: &glow::Context) -> bool {
// glow targets es2.0+ so we don't concern about OpenGL ES-CM,OpenGL ES-CL
if version_string.contains("2.0") {
// need to test OES_vertex_array_object .
gl.supported_extensions()
.contains("OES_vertex_array_object")
let supported_extensions = gl.supported_extensions();
tracing::debug!("Supported OpenGL extensions: {:?}", supported_extensions);
supported_extensions.contains("OES_vertex_array_object")
} else {
true
}
@ -142,8 +144,9 @@ fn supports_vao(gl: &glow::Context) -> bool {
if version_string.starts_with('2') {
// I found APPLE_vertex_array_object , GL_ATI_vertex_array_object ,ARB_vertex_array_object
// but APPLE's and ATI's very old extension.
gl.supported_extensions()
.contains("ARB_vertex_array_object")
let supported_extensions = gl.supported_extensions();
tracing::debug!("Supported OpenGL extensions: {:?}", supported_extensions);
supported_extensions.contains("ARB_vertex_array_object")
} else {
true
}