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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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47
components/script/dom/webgl_validations/types.rs
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@ -2,24 +2,25 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::OESTextureHalfFloatBinding::OESTextureHalfFloatConstants;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
/// This macro creates type-safe wrappers for WebGL types, associating variants
/// with gl constants.
macro_rules! type_safe_wrapper {
($name: ident, $($variant:ident => $constant:ident, )+) => {
($name: ident, $($variant:ident => $mod:ident::$constant:ident, )+) => {
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, JSTraceable, HeapSizeOf)]
#[repr(u32)]
pub enum $name {
$(
$variant = constants::$constant,
$variant = $mod::$constant,
)+
}
impl $name {
pub fn from_gl_constant(constant: u32) -> Option<Self> {
Some(match constant {
$(constants::$constant => $name::$variant, )+
$($mod::$constant => $name::$variant, )+
_ => return None,
})
}
@ -33,13 +34,13 @@ macro_rules! type_safe_wrapper {
}
type_safe_wrapper! { TexImageTarget,
Texture2D => TEXTURE_2D,
CubeMapPositiveX => TEXTURE_CUBE_MAP_POSITIVE_X,
CubeMapNegativeX => TEXTURE_CUBE_MAP_NEGATIVE_X,
CubeMapPositiveY => TEXTURE_CUBE_MAP_POSITIVE_Y,
CubeMapNegativeY => TEXTURE_CUBE_MAP_NEGATIVE_Y,
CubeMapPositiveZ => TEXTURE_CUBE_MAP_POSITIVE_Z,
CubeMapNegativeZ => TEXTURE_CUBE_MAP_NEGATIVE_Z,
Texture2D => constants::TEXTURE_2D,
CubeMapPositiveX => constants::TEXTURE_CUBE_MAP_POSITIVE_X,
CubeMapNegativeX => constants::TEXTURE_CUBE_MAP_NEGATIVE_X,
CubeMapPositiveY => constants::TEXTURE_CUBE_MAP_POSITIVE_Y,
CubeMapNegativeY => constants::TEXTURE_CUBE_MAP_NEGATIVE_Y,
CubeMapPositiveZ => constants::TEXTURE_CUBE_MAP_POSITIVE_Z,
CubeMapNegativeZ => constants::TEXTURE_CUBE_MAP_NEGATIVE_Z,
}
impl TexImageTarget {
@ -52,10 +53,12 @@ impl TexImageTarget {
}
type_safe_wrapper! { TexDataType,
UnsignedByte => UNSIGNED_BYTE,
UnsignedShort4444 => UNSIGNED_SHORT_4_4_4_4,
UnsignedShort5551 => UNSIGNED_SHORT_5_5_5_1,
UnsignedShort565 => UNSIGNED_SHORT_5_6_5,
UnsignedByte => constants::UNSIGNED_BYTE,
UnsignedShort4444 => constants::UNSIGNED_SHORT_4_4_4_4,
UnsignedShort5551 => constants::UNSIGNED_SHORT_5_5_5_1,
UnsignedShort565 => constants::UNSIGNED_SHORT_5_6_5,
Float => constants::FLOAT,
HalfFloat => OESTextureHalfFloatConstants::HALF_FLOAT_OES,
}
impl TexDataType {
@ -67,6 +70,8 @@ impl TexDataType {
UnsignedShort4444 |
UnsignedShort5551 |
UnsignedShort565 => 2,
Float => 4,
HalfFloat => 2,
}
}
@ -79,17 +84,19 @@ impl TexDataType {
UnsignedShort565 => 3,
UnsignedShort5551 => 4,
UnsignedShort4444 => 4,
Float => 1,
HalfFloat => 1,
}
}
}
type_safe_wrapper! { TexFormat,
DepthComponent => DEPTH_COMPONENT,
Alpha => ALPHA,
RGB => RGB,
RGBA => RGBA,
Luminance => LUMINANCE,
LuminanceAlpha => LUMINANCE_ALPHA,
DepthComponent => constants::DEPTH_COMPONENT,
Alpha => constants::ALPHA,
RGB => constants::RGB,
RGBA => constants::RGBA,
Luminance => constants::LUMINANCE,
LuminanceAlpha => constants::LUMINANCE_ALPHA,
}
impl TexFormat {