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Adding some sanity checks and error handling that aren't fully working yet.

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This commit is contained in:
Evelyn Eastmond 2018-12-12 21:59:09 -05:00
parent 183919a20a
commit a0dd716c23
1 changed files with 15 additions and 3 deletions
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18
src/RenderWebGL.js
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@ -1052,13 +1052,25 @@ class RenderWebGL extends EventEmitter {
const bounds = drawable.getFastBounds();
bounds.snapToInt();
// Use a new bufferInfo since this._queryBufferInfo is limited to 480x360
// Set a reasonable max limit width and height for the bufferInfo bounds
const maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);
const clampedWidth = Math.min(2048, bounds.width, maxTextureSize);
const clampedHeight = Math.min(2048, bounds.height, maxTextureSize);
// Make a new bufferInfo since this._queryBufferInfo is limited to 480x360
const attachments = [
{format: gl.RGBA},
{format: gl.DEPTH_STENCIL}
];
const bufferInfo = twgl.createFramebufferInfo(gl, attachments, bounds.width, bounds.height);
twgl.bindFramebufferInfo(gl, bufferInfo);
const bufferInfo = twgl.createFramebufferInfo(gl, attachments, clampedWidth, clampedHeight);
// If the new bufferInfo is invalid fall back to using the smaller _queryBufferInfo
if (gl.checkFramebufferStatus(bufferInfo.framebuffer) === 0) {
// twgl.bindFramebufferInfo(gl, this._queryBufferInfo);
twgl.bindFramebufferInfo(gl, bufferInfo);
} else {
twgl.bindFramebufferInfo(gl, bufferInfo);
}
// Translate to scratch units relative to the drawable
const pickX = scratchX - bounds.left;