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Implement WebGL extensions.

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This commit is contained in:
Imanol Fernandez 2017-05-16 11:14:23 +02:00
parent ac99a48aea
commit 32e23c4db4
40 changed files with 1346 additions and 86 deletions
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22
components/script/dom/webgltexture.rs
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@ -42,6 +42,9 @@ pub struct WebGLTexture {
/// Face count can only be 1 or 6
face_count: Cell<u8>,
base_mipmap_level: u32,
// Store information for min and mag filters
min_filter: Cell<Option<u32>>,
mag_filter: Cell<Option<u32>>,
#[ignore_heap_size_of = "Defined in ipc-channel"]
renderer: IpcSender<CanvasMsg>,
}
@ -57,6 +60,8 @@ impl WebGLTexture {
is_deleted: Cell::new(false),
face_count: Cell::new(0),
base_mipmap_level: 0,
min_filter: Cell::new(None),
mag_filter: Cell::new(None),
image_info_array: DOMRefCell::new([ImageInfo::new(); MAX_LEVEL_COUNT * MAX_FACE_COUNT]),
renderer: renderer,
}
@ -209,6 +214,7 @@ impl WebGLTexture {
constants::LINEAR_MIPMAP_NEAREST |
constants::NEAREST_MIPMAP_LINEAR |
constants::LINEAR_MIPMAP_LINEAR => {
self.min_filter.set(Some(int_value as u32));
self.renderer
.send(CanvasMsg::WebGL(WebGLCommand::TexParameteri(target, name, int_value)))
.unwrap();
@ -222,6 +228,7 @@ impl WebGLTexture {
match int_value as u32 {
constants::NEAREST |
constants::LINEAR => {
self.mag_filter.set(Some(int_value as u32));
self.renderer
.send(CanvasMsg::WebGL(WebGLCommand::TexParameteri(target, name, int_value)))
.unwrap();
@ -251,6 +258,19 @@ impl WebGLTexture {
}
}
pub fn is_using_linear_filtering(&self) -> bool {
let filters = [self.min_filter.get(), self.mag_filter.get()];
filters.iter().any(|filter| {
match *filter {
Some(constants::LINEAR) |
Some(constants::NEAREST_MIPMAP_LINEAR) |
Some(constants::LINEAR_MIPMAP_NEAREST) |
Some(constants::LINEAR_MIPMAP_LINEAR) => true,
_=> false
}
})
}
pub fn populate_mip_chain(&self, first_level: u32, last_level: u32) -> WebGLResult<()> {
let base_image_info = self.image_info_at_face(0, first_level);
if !base_image_info.is_initialized() {
@ -408,7 +428,7 @@ impl ImageInfo {
self.depth.is_power_of_two()
}
fn is_initialized(&self) -> bool {
pub fn is_initialized(&self) -> bool {
self.is_initialized
}