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Add support for WebGL2 framebuffer attachments

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Adds an initial implementation for the framebuffer attachments
introduced with WebGL2 and the related enums and constrains checks.
This commit is contained in:
Mátyás Mustoha 2020-02-20 13:32:38 +01:00
parent f5ff38b875
commit b41805a920
11 changed files with 463 additions and 433 deletions
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54
components/script/dom/webgl2renderingcontext.rs
View file

@ -2283,8 +2283,38 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
renderbuffertarget: u32,
rb: Option<&WebGLRenderbuffer>,
) {
self.base
.FramebufferRenderbuffer(target, attachment, renderbuffertarget, rb)
if let Some(rb) = rb {
handle_potential_webgl_error!(self.base, self.base.validate_ownership(rb), return);
}
let fb_slot = match target {
constants::FRAMEBUFFER | constants::DRAW_FRAMEBUFFER => {
self.base.get_draw_framebuffer_slot()
},
constants::READ_FRAMEBUFFER => &self.base.get_read_framebuffer_slot(),
_ => return self.base.webgl_error(InvalidEnum),
};
if renderbuffertarget != constants::RENDERBUFFER {
return self.base.webgl_error(InvalidEnum);
}
match fb_slot.get() {
Some(fb) => match attachment {
constants::DEPTH_STENCIL_ATTACHMENT => {
handle_potential_webgl_error!(
self.base,
fb.renderbuffer(constants::DEPTH_ATTACHMENT, rb)
);
handle_potential_webgl_error!(
self.base,
fb.renderbuffer(constants::STENCIL_ATTACHMENT, rb)
);
},
_ => handle_potential_webgl_error!(self.base, fb.renderbuffer(attachment, rb)),
},
None => self.base.webgl_error(InvalidOperation),
};
}
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.6
@ -2296,8 +2326,24 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
texture: Option<&WebGLTexture>,
level: i32,
) {
self.base
.FramebufferTexture2D(target, attachment, textarget, texture, level)
if let Some(texture) = texture {
handle_potential_webgl_error!(self.base, self.base.validate_ownership(texture), return);
}
let fb_slot = match target {
constants::FRAMEBUFFER | constants::DRAW_FRAMEBUFFER => {
self.base.get_draw_framebuffer_slot()
},
constants::READ_FRAMEBUFFER => self.base.get_read_framebuffer_slot(),
_ => return self.base.webgl_error(InvalidEnum),
};
match fb_slot.get() {
Some(fb) => handle_potential_webgl_error!(
self.base,
fb.texture2d(attachment, textarget, texture, level)
),
None => self.base.webgl_error(InvalidOperation),
}
}
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9