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Bug 1159117 - Test emulation of formats removed in core profiles. r=jgilbert

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This commit is contained in:
Dan Glastonbury 2015-05-19 12:09:24 +10:00
parent 7d5d523902
commit 4fe6abad80
2 changed files with 169 additions and 0 deletions
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2
dom/canvas/test/webgl-mochitest.ini
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@ -38,3 +38,5 @@ skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests
skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests
[webgl-mochitest/test_webgl2_invalidate_framebuffer.html]
skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests
[webgl-mochitest/test_webgl2_alpha_luminance.html]
skip-if = toolkit == 'android' #bug 865443- seperate suite - the non_conf* tests pass except for one on armv6 tests

167
dom/canvas/test/webgl-mochitest/test_webgl2_alpha_luminance.html Normal file
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@ -0,0 +1,167 @@
<!DOCTYPE HTML>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>WebGL2 test: Alpha and Luminance Textures</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<script src="driver-info.js"></script>
<script src="webgl-util.js"></script>
<script id="vs" type="x-shader/x-vertex">
#version 300 es
in vec2 aTexCoord;
out vec2 vTexCoord;
void main() {
vec2 pos = vec2(2.0)*aTexCoord - vec2(1.0);
gl_Position = vec4(pos, 0.0, 1.0);
vTexCoord = aTexCoord;
}
</script>
<script id="fs-alpha" type="x-shader/x-fragment">
#version 300 es
precision mediump float;
in vec2 vTexCoord;
out vec4 oFragColor;
uniform sampler2D uTex;
bool compare(in vec4 test, in float ref) {
float lo = (ref - 0.1) / 255.0;
float hi = (ref + 0.1) / 255.0;
return (test.rgb == vec3(0) &&
lo < test.a && test.a < hi);
}
void main() {
vec4 tex = texture(uTex, vTexCoord);
oFragColor = compare(tex, 128) ? vec4(0.0, 1.0, 0.0, 1.0)
: vec4(1.0, 0.0, 0.0, 1.0);
}
</script>
<script id="fs-lum" type="x-shader/x-fragment">
#version 300 es
precision mediump float;
in vec2 vTexCoord;
out vec4 oFragColor;
uniform sampler2D uTex;
bool compare(vec4 test, float ref) {
float lo = (ref - 0.1) / 255.0;
float hi = (ref + 0.1) / 255.0;
return (lo < test.r && test.r < hi &&
lo < test.g && test.g < hi &&
lo < test.b && test.b < hi &&
test.a == 1);
}
void main() {
vec4 tex = texture(uTex, vTexCoord);
oFragColor = compare(tex, 128) ? vec4(0.0, 1.0, 0.0, 1.0)
: vec4(1.0, 0.0, 0.0, 1.0);
}
</script>
<script id="fs-lumalpha" type="x-shader/x-fragment">
#version 300 es
precision mediump float;
in vec2 vTexCoord;
out vec4 oFragColor;
uniform sampler2D uTex;
bool compare(in vec4 test, in float ref) {
float lo = (ref - 0.1) / 255.0;
float hi = (ref + 0.1) / 255.0;
return (lo < test.r && test.r < hi &&
lo < test.g && test.g < hi &&
lo < test.b && test.b < hi &&
lo < test.a && test.a < hi);
}
void main() {
vec4 tex = texture(uTex, vTexCoord);
oFragColor = compare(tex, 128) ? vec4(0.0, 1.0, 0.0, 1.0)
: vec4(1.0, 0.0, 0.0, 1.0);
}
</script>
<body>
<canvas id="c" width="32" height="32"></canvas>
<script>
WebGLUtil.withWebGL2('c', function(gl) {
function testPixel(x, y, refData, func, infoString) {
var pixel = new Uint8Array(4);
gl.readPixels(x, y, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixel);
var pixelMatches = (pixel[0] == refData[0] &&
pixel[1] == refData[1] &&
pixel[2] == refData[2] &&
pixel[3] == refData[3]);
func(pixelMatches, infoString);
}
function testTexture(details) {
var prog = WebGLUtil.createProgramByIds(gl, 'vs', details.frag);
if (!prog) {
ok(false, 'Program linking should succeed.');
return false;
}
prog.aTexCoord = gl.getAttribLocation(prog, "aTexCoord");
ok(prog.aTexCoord >= 0, '`aTexCoord` should be valid.');
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
gl.texImage2D(gl.TEXTURE_2D, 0, details.format, 2, 2, 0,
details.format, gl.UNSIGNED_BYTE, details.pixels);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.useProgram(prog);
gl.vertexAttribPointer(prog.aTexCoord, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray(prog.aTexCoord);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
testPixel(0, 0, [0, 255, 0, 255], ok, 'Should be green after drawing.');
return true;
}
gl.disable(gl.DEPTH_TEST);
var vertData = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertData);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0, 0, 1, 0, 0, 1, 1, 1 ]), gl.STATIC_DRAW);
gl.clearColor(0, 0, 1, 1);
gl.pixelStorei(gl.UNPACK_ALIGNMENT, 1);
var details = [
{ frag: 'fs-alpha', format: gl.ALPHA, pixels: new Uint8Array([ 128, 128, 128, 128 ]) },
{ frag: 'fs-lum', format: gl.LUMINANCE, pixels: new Uint8Array([ 128, 128, 128, 128 ]) },
{ frag: 'fs-lumalpha', format: gl.LUMINANCE_ALPHA, pixels: new Uint8Array([ 128, 128, 128, 128, 128, 128, 128, 128 ]) }
];
for (var i = 0; i < details.length; i++) {
if (!testTexture(details[i])) {
return;
}
}
ok(true, 'Test complete.');
}, function() {
SimpleTest.finish();
});
SimpleTest.waitForExplicitFinish();
</script>