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ShaderBuilder / add fragment discard expression in shader params

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This commit is contained in:
Olivier Guyot
2019-10-22 11:39:30 +02:00
parent 7b66b294a8
commit e38250ee14
2 changed files with 31 additions and 0 deletions
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3
test/spec/ol/webgl/shaderbuilder.test.js
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@@ -166,6 +166,7 @@ varying vec2 v_quadCoord;
varying float v_opacity;
varying vec3 v_test;
void main(void) {
if (false) { discard; }
gl_FragColor = vec4(0.3137254901960784, 0.0, 1.0, v_opacity);
gl_FragColor.rgb *= gl_FragColor.a;
}`);
@@ -178,6 +179,7 @@ void main(void) {
builder.setSymbolOffsetExpression('vec2(' + formatArray([5, -7]) + ')');
builder.setColorExpression('vec4(' + formatColor([255, 255, 255, 1]) + ')');
builder.setTextureCoordinateExpression('vec4(' + formatArray([0, 0.5, 0.5, 1]) + ')');
builder.setFragmentDiscardExpression('u_myUniform > 0.5');
expect(builder.getSymbolFragmentShader()).to.eql(`precision mediump float;
uniform float u_myUniform;
@@ -186,6 +188,7 @@ varying vec2 v_texCoord;
varying vec2 v_quadCoord;
void main(void) {
if (u_myUniform > 0.5) { discard; }
gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
gl_FragColor.rgb *= gl_FragColor.a;
}`);