diff options
Diffstat (limited to '')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/gl_FragCoord/gl_FragCoord_xy_frag.frag | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/gl_FragCoord/gl_FragCoord_xy_frag.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/gl_FragCoord/gl_FragCoord_xy_frag.frag new file mode 100644 index 0000000000..772661fc5f --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/gl_FragCoord/gl_FragCoord_xy_frag.frag @@ -0,0 +1,19 @@ + +/* +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +*/ + + +#ifdef GL_ES +precision mediump float; +#endif +uniform float viewportwidth; +uniform float viewportheight; + +void main(void) +{ + // The image width is 500 so scale the position to 0...1 for color + gl_FragColor = vec4(gl_FragCoord.x /viewportwidth , gl_FragCoord.y/viewportheight, 0.0, 1.0); +} |