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Stop leaking VAOs

This commit is contained in:
Patrick Walton 2017-10-18 19:16:56 -07:00
parent 70201bb29c
commit 03b4ec2cc6
2 changed files with 19 additions and 10 deletions
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9
demo/client/src/3d-demo.ts
View File

@ -385,12 +385,15 @@ class ThreeDRenderer extends Renderer {
private cubeVertexPositionBuffer: WebGLBuffer;
private cubeIndexBuffer: WebGLBuffer;
private glyphPositionsBuffer: WebGLBuffer;
private glyphPositions: number[];
private glyphPositionRanges: Range[];
private glyphTexCoords: glmatrix.vec4[];
private glyphSizes: glmatrix.vec2[];
private distantGlyphVAO: WebGLVertexArrayObjectOES | null;
constructor(renderContext: ThreeDView) {
super(renderContext);
@ -616,8 +619,9 @@ class ThreeDRenderer extends Renderer {
const gl = this.renderContext.gl;
// Prepare the distant glyph VAO.
const vao = this.renderContext.vertexArrayObjectExt.createVertexArrayOES();
this.renderContext.vertexArrayObjectExt.bindVertexArrayOES(vao);
if (this.distantGlyphVAO == null)
this.distantGlyphVAO = this.renderContext.vertexArrayObjectExt.createVertexArrayOES();
this.renderContext.vertexArrayObjectExt.bindVertexArrayOES(this.distantGlyphVAO);
const distantGlyphProgram = this.renderContext.shaderPrograms.demo3DDistantGlyph;
gl.useProgram(distantGlyphProgram.program);
gl.bindBuffer(gl.ARRAY_BUFFER, this.renderContext.quadPositionsBuffer);
@ -733,7 +737,6 @@ class ThreeDRenderer extends Renderer {
}
}
this.renderContext.vertexArrayObjectExt.deleteVertexArrayOES(vao);
this.renderContext.vertexArrayObjectExt.bindVertexArrayOES(null);
}

20
demo/client/src/renderer.ts
View File

@ -65,6 +65,9 @@ export abstract class Renderer {
protected abstract get usedSizeFactor(): glmatrix.vec2;
protected abstract get worldTransform(): glmatrix.mat4;
private implicitCoverInteriorVAO: WebGLVertexArrayObjectOES | null;
private implicitCoverCurveVAO: WebGLVertexArrayObjectOES | null;
private instancedPathIDVBO: WebGLBuffer | null;
private timerQueryPollInterval: number | null;
@ -282,13 +285,13 @@ export abstract class Renderer {
renderContext.gl.disable(renderContext.gl.BLEND);
// Set up the implicit cover interior VAO.
//
// TODO(pcwalton): Cache these.
const directInteriorProgram =
renderContext.shaderPrograms[this.directInteriorProgramName];
const implicitCoverInteriorVAO = renderContext.vertexArrayObjectExt
.createVertexArrayOES();
renderContext.vertexArrayObjectExt.bindVertexArrayOES(implicitCoverInteriorVAO);
if (this.implicitCoverInteriorVAO == null) {
this.implicitCoverInteriorVAO = renderContext.vertexArrayObjectExt
.createVertexArrayOES();
}
renderContext.vertexArrayObjectExt.bindVertexArrayOES(this.implicitCoverInteriorVAO);
this.initImplicitCoverInteriorVAO(objectIndex, instanceRange);
// Draw direct interior parts.
@ -331,8 +334,11 @@ export abstract class Renderer {
//
// TODO(pcwalton): Cache these.
const directCurveProgram = renderContext.shaderPrograms[this.directCurveProgramName];
const implicitCoverCurveVAO = renderContext.vertexArrayObjectExt.createVertexArrayOES();
renderContext.vertexArrayObjectExt.bindVertexArrayOES(implicitCoverCurveVAO);
if (this.implicitCoverCurveVAO == null) {
this.implicitCoverCurveVAO = renderContext.vertexArrayObjectExt
.createVertexArrayOES();
}
renderContext.vertexArrayObjectExt.bindVertexArrayOES(this.implicitCoverCurveVAO);
this.initImplicitCoverCurveVAO(objectIndex, instanceRange);
// Draw direct curve parts.