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put the target uniforms part into a function

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This commit is contained in:
Gaëtan Renaudeau 2015-08-20 17:48:00 +02:00
parent cb581b48a6
commit edb505129b
1 changed files with 16 additions and 8 deletions
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24
src/GLCanvas.js
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@ -177,21 +177,17 @@ class GLCanvas extends Component {
this._needsDraw = true;
requestAnimationFrame(this.handleDraw);
}
handleDraw () {
if (!this._needsDraw) return;
this._needsDraw = false;
this.draw();
}
draw () {
const gl = this.gl;
syncTargetUniforms () {
const shader = this.shader;
if (!shader) return;
const { targetUniforms, getDrawingTarget } = this.props;
for (const uniformName in this._textures) {
this._textures[uniformName].bind(this._textureUnits[uniformName]);
}
if (targetUniforms) {
targetUniforms.forEach(uniformName => {
const texture = this._textures[uniformName];
@ -202,10 +198,22 @@ class GLCanvas extends Component {
if (target.width && target.height) { // ensure the resource is loaded
texture.shape = [ target.width, target.height ];
texture.setPixels(target);
shader.uniforms[uniformName] = texture.bind(textureUnit);
shader.uniforms[uniformName] = textureUnit;
}
});
}
}
draw () {
const gl = this.gl;
const shader = this.shader;
if (!shader) return;
this.syncTargetUniforms();
for (const uniformName in this._textures) {
this._textures[uniformName].bind(this._textureUnits[uniformName]);
}
gl.drawArrays(gl.TRIANGLES, 0, 6);
}