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Store Option<ImageInfo> instead of making fields optional

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This commit is contained in:
teapotd 2019-10-31 19:20:52 +01:00
parent 48d918dcde
commit a4fa36f9fb
4 changed files with 47 additions and 69 deletions
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25
components/script/dom/webglrenderingcontext.rs
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@ -438,13 +438,12 @@ impl WebGLRenderingContext {
}
let target = TexImageTarget::Texture2D;
let info = texture.image_info_for_target(&target, 0);
if info.is_initialized() {
if let Some(info) = texture.image_info_for_target(&target, 0) {
self.validate_filterable_texture(
&texture,
target,
0,
info.internal_format().unwrap_or(TexFormat::RGBA),
info.internal_format(),
Size2D::new(info.width(), info.height()),
info.data_type().unwrap_or(TexDataType::UnsignedByte),
);
@ -746,7 +745,10 @@ impl WebGLRenderingContext {
pixels: TexPixels,
) {
// We have already validated level
let image_info = texture.image_info_for_target(&target, level);
let image_info = match texture.image_info_for_target(&target, level) {
Some(info) => info,
None => return self.webgl_error(InvalidOperation),
};
// GL_INVALID_VALUE is generated if:
// - xoffset or yoffset is less than 0
@ -761,9 +763,7 @@ impl WebGLRenderingContext {
}
// NB: format and internal_format must match.
if format != image_info.internal_format().unwrap() ||
data_type != image_info.data_type().unwrap()
{
if format != image_info.internal_format() || data_type != image_info.data_type().unwrap() {
return self.webgl_error(InvalidOperation);
}
@ -1921,9 +1921,9 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
Some(WebGLFramebufferAttachmentRoot::Renderbuffer(rb)) => {
TexFormat::from_gl_constant(rb.internal_format())
},
Some(WebGLFramebufferAttachmentRoot::Texture(texture)) => {
texture.image_info_for_target(&target, 0).internal_format()
},
Some(WebGLFramebufferAttachmentRoot::Texture(texture)) => texture
.image_info_for_target(&target, 0)
.map(|info| info.internal_format()),
None => None,
},
None => {
@ -2022,7 +2022,10 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
Err(_) => return,
};
let image_info = texture.image_info_for_target(&target, level);
let image_info = match texture.image_info_for_target(&target, level) {
Some(info) => info,
None => return self.webgl_error(InvalidOperation),
};
// GL_INVALID_VALUE is generated if:
// - xoffset or yoffset is less than 0