| <!DOCTYPE html> |
| <head> |
| <style> |
| canvas { |
| width: 200px; |
| height: 200px; |
| } |
| </style> |
| <script src="../../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"> </script> |
| <script src="resources/webgl-test-utils.js"> </script> |
| <script> |
| |
| var simpleColorVertexShader = [ |
| 'attribute vec4 vPosition;', |
| 'void main() {', |
| ' gl_Position = vPosition;', |
| '}'].join('\n'); |
| |
| var simpleColorFragmentShader = [ |
| 'precision mediump float;', |
| 'uniform vec4 u_color;', |
| 'void main() {', |
| ' gl_FragData[0] = u_color;', |
| '}'].join('\n'); |
| |
| var wtu = WebGLTestUtils; |
| var gl; |
| |
| if (window.initNonKhronosFramework) |
| window.initNonKhronosFramework(false); |
| |
| debug("Checks that a GPU status check failure will lose the context."); |
| debug("NOTE: This only passes in the test harness because it requires Internals."); |
| debug(""); |
| |
| function makeCanvas() { |
| let canvas = document.createElement("canvas"); |
| canvas.width = 200; |
| canvas.height = 200; |
| return canvas; |
| } |
| |
| function runTest() { |
| |
| debug(""); |
| debug("Test drawArrays."); |
| debug(""); |
| |
| let canvas = makeCanvas(); |
| |
| gl = wtu.create3DContext(canvas); |
| wtu.setupColorQuad(gl); |
| |
| gl.viewport(0, 0, canvas.width, canvas.height); |
| |
| debug("Do five 'safe' drawArrays.") |
| for (let i = 0; i < 5; i++) { |
| gl.drawArrays(gl.TRIANGLES, 0, 6); |
| shouldBeFalse("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| } |
| |
| debug("Now force failure after the next drawArrays.") |
| if (window.internals) |
| window.internals.failNextGPUStatusCheck(gl); |
| gl.drawArrays(gl.TRIANGLES, 0, 6); |
| shouldBeTrue("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.CONTEXT_LOST_WEBGL"); |
| |
| debug(""); |
| debug("Test drawElements."); |
| debug(""); |
| |
| canvas = makeCanvas(); |
| |
| gl = wtu.create3DContext(canvas); |
| wtu.setupIndexedQuad(gl); |
| |
| var program = wtu.setupProgram( |
| gl, |
| [simpleColorVertexShader, simpleColorFragmentShader], |
| ['vPosition'], |
| []); |
| |
| gl.viewport(0, 0, canvas.width, canvas.height); |
| |
| debug("Do two 'safe' drawElements.") |
| for (let i = 0; i < 2; i++) { |
| gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0); |
| shouldBeFalse("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| } |
| |
| debug("Now force failure after the next drawElements.") |
| if (window.internals) |
| window.internals.failNextGPUStatusCheck(gl); |
| gl.drawElements(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0); |
| shouldBeTrue("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.CONTEXT_LOST_WEBGL"); |
| |
| debug(""); |
| debug("Test drawArraysInstanced."); |
| debug(""); |
| |
| canvas = makeCanvas(); |
| |
| gl = wtu.create3DContext(canvas); |
| ext = wtu.getExtensionWithKnownPrefixes(gl, "ANGLE_instanced_arrays"); |
| wtu.setupColorQuad(gl); |
| |
| gl.viewport(0, 0, canvas.width, canvas.height); |
| |
| debug("Do four 'safe' drawArraysInstancedANGLE.") |
| for (let i = 0; i < 4; i++) { |
| ext.drawArraysInstancedANGLE(gl.TRIANGLES, 0, 6, 10); |
| shouldBeFalse("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| } |
| |
| debug("Now force failure after the next drawArraysInstancedANGLE.") |
| if (window.internals) |
| window.internals.failNextGPUStatusCheck(gl); |
| ext.drawArraysInstancedANGLE(gl.TRIANGLES, 0, 6, 10); |
| shouldBeTrue("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.CONTEXT_LOST_WEBGL"); |
| |
| debug(""); |
| debug("Test drawElementsInstanced."); |
| debug(""); |
| |
| canvas = makeCanvas(); |
| |
| gl = wtu.create3DContext(canvas); |
| ext = wtu.getExtensionWithKnownPrefixes(gl, "ANGLE_instanced_arrays"); |
| wtu.setupIndexedQuad(gl); |
| |
| var program = wtu.setupProgram( |
| gl, |
| [simpleColorVertexShader, simpleColorFragmentShader], |
| ['vPosition'], |
| []); |
| |
| gl.viewport(0, 0, canvas.width, canvas.height); |
| |
| debug("Do seven 'safe' drawElementsInstancedANGLE.") |
| for (let i = 0; i < 7; i++) { |
| ext.drawElementsInstancedANGLE(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0, 8); |
| shouldBeFalse("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.NO_ERROR"); |
| } |
| |
| debug("Now force failure after the next drawElementsInstancedANGLE.") |
| if (window.internals) |
| window.internals.failNextGPUStatusCheck(gl); |
| ext.drawElementsInstancedANGLE(gl.TRIANGLES, 6, gl.UNSIGNED_SHORT, 0, 8); |
| shouldBeTrue("gl.isContextLost()"); |
| shouldBe("gl.getError()", "gl.CONTEXT_LOST_WEBGL"); |
| |
| finishTest(); |
| } |
| |
| window.addEventListener("load", runTest, false); |
| </script> |
| <body> |
| </body> |
