Implement EXT_frag_depth

This commit is contained in:
Alexandrov Sergey 2020-05-11 10:43:33 +03:00
parent 4d541e8e38
commit 50e15486b6
7 changed files with 97 additions and 4 deletions

View file

@ -18,7 +18,7 @@ use crate::dom::oestexturehalffloat::OESTextureHalfFloat;
use crate::dom::webglcolorbufferfloat::WEBGLColorBufferFloat;
use crate::dom::webglrenderingcontext::WebGLRenderingContext;
use crate::dom::webgltexture::TexCompression;
use canvas_traits::webgl::{GlType, TexFormat, WebGLVersion};
use canvas_traits::webgl::{GlType, TexFormat, WebGLSLVersion, WebGLVersion};
use fnv::{FnvHashMap, FnvHashSet};
use js::jsapi::JSObject;
use malloc_size_of::MallocSizeOf;
@ -165,15 +165,21 @@ pub struct WebGLExtensions {
features: DomRefCell<WebGLExtensionFeatures>,
webgl_version: WebGLVersion,
api_type: GlType,
glsl_version: WebGLSLVersion,
}
impl WebGLExtensions {
pub fn new(webgl_version: WebGLVersion, api_type: GlType) -> WebGLExtensions {
pub fn new(
webgl_version: WebGLVersion,
api_type: GlType,
glsl_version: WebGLSLVersion,
) -> WebGLExtensions {
Self {
extensions: DomRefCell::new(HashMap::new()),
features: DomRefCell::new(WebGLExtensionFeatures::new(webgl_version)),
webgl_version,
api_type,
glsl_version,
}
}
@ -399,6 +405,7 @@ impl WebGLExtensions {
self.register::<ext::angleinstancedarrays::ANGLEInstancedArrays>();
self.register::<ext::extblendminmax::EXTBlendMinmax>();
self.register::<ext::extcolorbufferhalffloat::EXTColorBufferHalfFloat>();
self.register::<ext::extfragdepth::EXTFragDepth>();
self.register::<ext::extshadertexturelod::EXTShaderTextureLod>();
self.register::<ext::exttexturefilteranisotropic::EXTTextureFilterAnisotropic>();
self.register::<ext::oeselementindexuint::OESElementIndexUint>();
@ -433,6 +440,10 @@ impl WebGLExtensions {
self.is_enabled::<WEBGLColorBufferFloat>() || self.is_enabled::<OESTextureFloat>()
}
pub fn is_min_glsl_version_satisfied(&self, min_glsl_version: WebGLSLVersion) -> bool {
self.glsl_version >= min_glsl_version
}
pub fn is_half_float_buffer_renderable(&self) -> bool {
self.is_enabled::<EXTColorBufferHalfFloat>() || self.is_enabled::<OESTextureHalfFloat>()
}