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Add support for WebGL2 TexImage2D

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Adds initial support for one of the WebGL2 `TexImage2D` call.
This commit is contained in:
Istvan Miklos 2020-05-04 10:17:46 +02:00
parent 6c506ba260
commit 035cb6ebaa
4 changed files with 117 additions and 20 deletions
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18
components/script/dom/webglrenderingcontext.rs
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@ -306,6 +306,10 @@ impl WebGLRenderingContext {
&self.limits
}
pub fn texture_unpacking_alignment(&self) -> u32 {
self.texture_unpacking_alignment.get()
}
pub fn current_vao(&self) -> DomRoot<WebGLVertexArrayObjectOES> {
self.current_vao.or_init(|| {
DomRoot::from_ref(
@ -697,14 +701,14 @@ impl WebGLRenderingContext {
}
// TODO(emilio): Move this logic to a validator.
fn validate_tex_image_2d_data(
pub fn validate_tex_image_2d_data(
&self,
width: u32,
height: u32,
format: TexFormat,
data_type: TexDataType,
unpacking_alignment: u32,
data: &Option<ArrayBufferView>,
data: Option<&ArrayBufferView>,
) -> Result<u32, ()> {
let element_size = data_type.element_size();
let components_per_element = data_type.components_per_element();
@ -742,7 +746,7 @@ impl WebGLRenderingContext {
}
}
fn tex_image_2d(
pub fn tex_image_2d(
&self,
texture: &WebGLTexture,
target: TexImageTarget,
@ -4276,7 +4280,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
format,
data_type,
unpacking_alignment,
&*pixels,
pixels.as_ref(),
)
} {
Ok(byte_length) => byte_length,
@ -4503,7 +4507,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
format,
data_type,
unpacking_alignment,
&*pixels,
pixels.as_ref(),
)
} {
Ok(byte_length) => byte_length,
@ -4881,7 +4885,7 @@ impl TextureUnit {
}
}
struct TexPixels {
pub struct TexPixels {
data: IpcSharedMemory,
size: Size2D<u32>,
pixel_format: Option<PixelFormat>,
@ -4903,7 +4907,7 @@ impl TexPixels {
}
}
fn from_array(data: IpcSharedMemory, size: Size2D<u32>) -> Self {
pub fn from_array(data: IpcSharedMemory, size: Size2D<u32>) -> Self {
Self {
data,
size,