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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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18
components/script/dom/webglrenderbuffer.rs
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@ -5,9 +5,8 @@
// https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
use crate::dom::bindings::codegen::Bindings::EXTColorBufferHalfFloatBinding::EXTColorBufferHalfFloatConstants;
use crate::dom::bindings::codegen::Bindings::WEBGLColorBufferFloatBinding::WEBGLColorBufferFloatConstants;
use crate::dom::bindings::codegen::Bindings::WebGL2RenderingContextBinding::WebGL2RenderingContextConstants;
use crate::dom::bindings::codegen::Bindings::WebGL2RenderingContextBinding::WebGL2RenderingContextConstants as constants;
use crate::dom::bindings::codegen::Bindings::WebGLRenderbufferBinding;
use crate::dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
@ -15,7 +14,7 @@ use crate::dom::webglframebuffer::WebGLFramebuffer;
use crate::dom::webglobject::WebGLObject;
use crate::dom::webglrenderingcontext::WebGLRenderingContext;
use canvas_traits::webgl::{
webgl_channel, GlType, WebGLCommand, WebGLError, WebGLRenderbufferId, WebGLResult,
webgl_channel, GlType, WebGLCommand, WebGLError, WebGLRenderbufferId, WebGLResult, WebGLVersion,
};
use dom_struct::dom_struct;
use std::cell::Cell;
@ -146,14 +145,21 @@ impl WebGLRenderbuffer {
constants::RGBA4 | constants::DEPTH_COMPONENT16 | constants::STENCIL_INDEX8 => {
internal_format
},
constants::DEPTH_COMPONENT24 |
constants::DEPTH_COMPONENT32F |
constants::DEPTH24_STENCIL8 |
constants::DEPTH32F_STENCIL8 => match self.upcast().context().webgl_version() {
WebGLVersion::WebGL1 => return Err(WebGLError::InvalidEnum),
_ => internal_format,
},
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#6.8
constants::DEPTH_STENCIL => WebGL2RenderingContextConstants::DEPTH24_STENCIL8,
constants::DEPTH_STENCIL => constants::DEPTH24_STENCIL8,
constants::RGB5_A1 => {
// 16-bit RGBA formats are not supported on desktop GL.
if is_gles {
constants::RGB5_A1
} else {
WebGL2RenderingContextConstants::RGBA8
constants::RGBA8
}
},
constants::RGB565 => {
@ -161,7 +167,7 @@ impl WebGLRenderbuffer {
if is_gles {
constants::RGB565
} else {
WebGL2RenderingContextConstants::RGB8
constants::RGB8
}
},
EXTColorBufferHalfFloatConstants::RGBA16F_EXT |