fix: #586

dist/gpu-browser-core.js

@@ -4,8 +4,8 @@
  *
  * GPU Accelerated JavaScript
  *
- * @version 2.9.0
- * @date Sun Mar 22 2020 17:17:39 GMT-0400 (Eastern Daylight Time)
+ * @version 2.9.1
+ * @date Tue Mar 24 2020 07:52:55 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -10378,9 +10378,7 @@ class WebGLKernel extends GLKernel {
       return failureResult;
     }
     const { texSize, context: gl, canvas } = this;
-    if (!this.pipeline) {
-      gl.enable(gl.SCISSOR_TEST);
-    }
+    gl.enable(gl.SCISSOR_TEST);
     if (this.pipeline && this.precision === 'single') {
       gl.viewport(0, 0, this.maxTexSize[0], this.maxTexSize[1]);
       canvas.width = this.maxTexSize[0];
@@ -10505,9 +10503,7 @@ class WebGLKernel extends GLKernel {
     const { kernelArguments, texSize, forceUploadKernelConstants, context: gl } = this;
 
     gl.useProgram(this.program);
-    if (!this.pipeline) {
-      gl.scissor(0, 0, texSize[0], texSize[1]);
-    }
+    gl.scissor(0, 0, texSize[0], texSize[1]);
     if (this.dynamicOutput) {
       this.setUniform3iv('uOutputDim', new Int32Array(this.threadDim));
       this.setUniform2iv('uTexSize', texSize);

dist/gpu-browser.js

@@ -4,8 +4,8 @@
  *
  * GPU Accelerated JavaScript
  *
- * @version 2.9.0
- * @date Sun Mar 22 2020 17:17:39 GMT-0400 (Eastern Daylight Time)
+ * @version 2.9.1
+ * @date Tue Mar 24 2020 07:52:55 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -14831,9 +14831,7 @@ class WebGLKernel extends GLKernel {
       return failureResult;
     }
     const { texSize, context: gl, canvas } = this;
-    if (!this.pipeline) {
-      gl.enable(gl.SCISSOR_TEST);
-    }
+    gl.enable(gl.SCISSOR_TEST);
     if (this.pipeline && this.precision === 'single') {
       gl.viewport(0, 0, this.maxTexSize[0], this.maxTexSize[1]);
       canvas.width = this.maxTexSize[0];
@@ -14958,9 +14956,7 @@ class WebGLKernel extends GLKernel {
     const { kernelArguments, texSize, forceUploadKernelConstants, context: gl } = this;
 
     gl.useProgram(this.program);
-    if (!this.pipeline) {
-      gl.scissor(0, 0, texSize[0], texSize[1]);
-    }
+    gl.scissor(0, 0, texSize[0], texSize[1]);
     if (this.dynamicOutput) {
       this.setUniform3iv('uOutputDim', new Int32Array(this.threadDim));
       this.setUniform2iv('uTexSize', texSize);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gpu.js",
-  "version": "2.9.0",
+  "version": "2.9.1",
   "description": "GPU Accelerated JavaScript",
   "engines": {
     "node": ">=8.0.0"

src/backend/web-gl/kernel.js

@@ -483,9 +483,7 @@ class WebGLKernel extends GLKernel {
       return failureResult;
     }
     const { texSize, context: gl, canvas } = this;
-    if (!this.pipeline) {
-      gl.enable(gl.SCISSOR_TEST);
-    }
+    gl.enable(gl.SCISSOR_TEST);
     if (this.pipeline && this.precision === 'single') {
       gl.viewport(0, 0, this.maxTexSize[0], this.maxTexSize[1]);
       canvas.width = this.maxTexSize[0];
@@ -610,9 +608,7 @@ class WebGLKernel extends GLKernel {
     const { kernelArguments, texSize, forceUploadKernelConstants, context: gl } = this;
 
     gl.useProgram(this.program);
-    if (!this.pipeline) {
-      gl.scissor(0, 0, texSize[0], texSize[1]);
-    }
+    gl.scissor(0, 0, texSize[0], texSize[1]);
     if (this.dynamicOutput) {
       this.setUniform3iv('uOutputDim', new Int32Array(this.threadDim));
       this.setUniform2iv('uTexSize', texSize);

test/all.html

@@ -177,6 +177,7 @@
 <script type="module" src="issues/560-minification-madness.js"></script>
 <script type="module" src="issues/564-boolean.js"></script>
 <script type="module" src="issues/567-wrong-modulus.js"></script>
+<script type="module" src="issues/586-unable-to-resize.js"></script>
 <script type="module" src="issues/91-create-kernel-map-array.js"></script>
 <script type="module" src="issues/96-param-names.js"></script>
 <script type="module" src="features/to-string/as-file.js"></script>

test/issues/586-unable-to-resize.js

@@ -0,0 +1,51 @@
+const { assert, skip, test, module: describe, only } = require('qunit');
+const { GPU } = require('../../src');
+
+describe('issue #586 - unable to resize');
+
+function testResize(convert, mode) {
+  const gpu = new GPU({ mode });
+  const createTexture1 = gpu.createKernel(function() {
+    return 1;
+  }, { output: [2, 2], pipeline: false});
+
+  const createTexture2 = gpu.createKernel(function() {
+    return 1;
+  }, { output: [4, 4], pipeline: true});
+
+  var t1 = createTexture1();
+  var t2 = createTexture2();
+
+  assert.deepEqual(convert(t2), [
+    new Float32Array([1,1,1,1]),
+    new Float32Array([1,1,1,1]),
+    new Float32Array([1,1,1,1]),
+    new Float32Array([1,1,1,1]),
+  ]);
+
+  gpu.destroy();
+}
+
+test('auto', () => {
+  testResize(t => t.toArray());
+});
+
+test('gpu', () => {
+  testResize(t => t.toArray(), 'gpu');
+});
+
+(GPU.isWebGLSupported ? test : skip)('webgl', () => {
+  testResize(t => t.toArray(), 'webgl');
+});
+
+(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
+  testResize(t => t.toArray(), 'webgl2');
+});
+
+(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
+  testResize(t => t.toArray(), 'headlessgl');
+});
+
+test('cpu', () => {
+  testResize(a => a, 'cpu');
+});