diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_inout_float_empty_vert.vert')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_inout_float_empty_vert.vert | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_inout_float_empty_vert.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_inout_float_empty_vert.vert new file mode 100644 index 0000000000..a4ccd8b159 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/functions/float_empty_inout_float_empty_vert.vert @@ -0,0 +1,48 @@ + +/* +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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +// Function declaration. +float function(inout float par); + +void main (void) +{ + float par = 1.0; + float ret = 0.0; + + float gray = 0.0; + + ret = function(par); + + // The parameter should be changed by the function and the function should return 1.0. + if((par == 0.0) && (ret == 1.0)) + { + gray = 1.0; + } + + color = vec4(gray, gray, gray, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + +// Function definition. +float function(inout float par) +{ + // Return the value of the parameter. + if(par == 1.0) + { + // Test parameter qualifier (default is "in"). + par = 0.0; + + return 1.0; + } + else + return 0.0; +} |