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Add support of gl-react-core "childrenContext" for #5

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This commit is contained in:
Gaëtan Renaudeau 2015-09-07 18:27:33 +02:00
parent 9bc44f071f
commit a81e5af455
1 changed files with 8 additions and 3 deletions
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11
src/GLCanvas.js
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@ -163,7 +163,9 @@ class GLCanvas extends Component {
// traverseTree compute renderData from the data.
// frameIndex is the framebuffer index of a node. (root is -1)
function traverseTree (data) {
const { shader: s, uniforms: dataUniforms, children: dataChildren, width, height, fboId } = data;
const { shader: s, uniforms: dataUniforms, children: dataChildren, contextChildren: dataContextChildren, width, height, fboId } = data;
const contextChildren = dataContextChildren.map(traverseTree);
// Traverse children and compute children renderData.
// We build a framebuffer mapping (from child index to fbo index)
@ -242,7 +244,7 @@ class GLCanvas extends Component {
const notProvided = Object.keys(shader.uniforms).filter(u => !(u in uniforms));
invariant(notProvided.length===0, "Shader '%s': All defined uniforms must be provided. Missing: '"+notProvided.join("', '")+"'", shader.name);
return { shader, uniforms, textures, children, width, height, fboId };
return { shader, uniforms, textures, children, contextChildren, width, height, fboId };
}
this._renderData = traverseTree(data);
@ -267,10 +269,13 @@ class GLCanvas extends Component {
const buffer = this._buffer;
function recDraw (renderData) {
const { shader, uniforms, textures, children, width, height, fboId } = renderData;
const { shader, uniforms, textures, children, contextChildren, width, height, fboId } = renderData;
const w = width * scale, h = height * scale;
// contextChildren are rendered BEFORE children and parent because are contextual to them
contextChildren.forEach(recDraw);
// children are rendered BEFORE the parent
children.forEach(recDraw);