| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <canvas id="canvas" width="40" height="40"></canvas> |
| |
| <script> |
| var success = false; |
| function compileShader(gl, shaderSource, shaderType) { |
| var shader = gl.createShader(shaderType); |
| |
| gl.shaderSource(shader, shaderSource); |
| |
| gl.compileShader(shader); |
| |
| success = gl.getShaderParameter(shader, gl.COMPILE_STATUS); |
| |
| shouldBe("success", "true"); |
| |
| return shader; |
| } |
| |
| function createProgram(gl, vertexShader, fragmentShader) { |
| var program = gl.createProgram(); |
| |
| gl.attachShader(program, vertexShader); |
| gl.attachShader(program, fragmentShader); |
| |
| gl.linkProgram(program); |
| |
| success = gl.getProgramParameter(program, gl.LINK_STATUS); |
| |
| shouldBe("success", "true"); |
| |
| return program; |
| } |
| |
| description("Make sure that compiling GLSL ES 3 shaders works as expected."); |
| |
| if (window.internals) |
| internals.settings.setWebGL2Enabled(true); |
| |
| var vertexShaderSource = `#version 300 es |
| layout(location = 0) in vec2 pos; |
| |
| void main() |
| { |
| gl_Position = vec4(pos, 0.0, 1.0); |
| } |
| `; |
| |
| var fragmentShaderSource = `#version 300 es |
| precision mediump float; |
| out vec4 color; |
| |
| void main() |
| { |
| color = vec4(1.0, 0.5, 0.0, 1.0); |
| } |
| `; |
| |
| var canvas = document.getElementById("canvas"); |
| var gl = canvas.getContext("webgl2"); |
| |
| var vertexShader = compileShader(gl, vertexShaderSource, gl.VERTEX_SHADER); |
| var fragmentShader = compileShader(gl, fragmentShaderSource, gl.FRAGMENT_SHADER); |
| |
| var program = createProgram(gl, vertexShader, fragmentShader); |
| |
| </script> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
| |
