1 files changed, 425 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/programs/program-test.html b/dom/canvas/test/webgl-conf/checkout/conformance/programs/program-test.html
new file mode 100644
index 000000000..2f03d200e
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/programs/program-test.html
@@ -0,0 +1,425 @@
+<!--
+
+/*
+** Copyright (c) 2012 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+-->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL Program Compiling/Linking Conformance Test</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/js-test-pre.js"></script>
+<script src="../../js/desktop-gl-constants.js"></script>
+<script src="../../js/webgl-test-utils.js"></script>
+</head>
+<body>
+<script id="vshader" type="x-shader/x-vertex">
+    attribute vec4 a_position;
+    void main()
+    {
+        gl_Position = a_position;
+    }
+</script>
+<script id="fshader-red" type="x-shader/x-fragment">
+    void main()
+    {
+        gl_FragColor = vec4(1, 0, 0, 1);
+    }
+</script>
+<script id="fshader-green" type="x-shader/x-fragment">
+    void main()
+    {
+        gl_FragColor = vec4(0, 1, 0, 1);
+    }
+</script>
+<script id="fshader-settable" type="x-shader/x-fragment">
+    precision mediump float;
+    uniform vec4 u_color;
+    void main()
+    {
+        gl_FragColor = u_color;
+    }
+</script>
+<div id="description"></div>
+<div id="console"></div>
+<canvas id="canvas" width="2" height="2"> </canvas>
+<script type="application/javascript">
+var wtu = WebGLTestUtils;
+function go() {
+    description("Tests that program compiling/linking/using works correctly.");
+
+    debug("");
+    debug("Canvas.getContext");
+
+    var gl = wtu.create3DContext("canvas");
+    if (!gl) {
+        testFailed("context does not exist");
+        return;
+    }
+
+    testPassed("context exists");
+
+    gl.clearColor(0.0, 0.0, 0.0, 0.0);
+    gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+
+    function doArraysHaveSameContents(a, b) {
+        var flags = [];
+        function hasUnusedValue(a, value) {
+            for (var ii = 0; ii < a.length; ++ii) {
+                if (a[ii] === value && !flags[ii]) {
+                    flags[ii] = true;
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        try {
+            if (a.length !== b.length) {
+                return false;
+            }
+            for (var ii = 0; ii < a.length; ii++) {
+                if (!hasUnusedValue(b, a[ii])) {
+                    return false;
+                }
+            }
+        } catch (ex) {
+            return false;
+        }
+        return true;
+    }
+
+/////// Check compileShader() /////////////////////////////
+
+    var vs = gl.createShader(gl.VERTEX_SHADER);
+    gl.shaderSource(vs, "attribute vec4 aVertex; attribute vec4 aColor; varying vec4 vColor; void main() { vColor = aColor; gl_Position = aVertex; }");
+    gl.compileShader(vs);
+
+    assertMsg(gl.getShaderParameter(vs, gl.COMPILE_STATUS) == true,
+              "good vertex shader should compile");
+
+    // Verify that constants removed from the WebGL spec generate INVALID_ENUM errors
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors at this point");
+    assertMsg(gl.getShaderParameter(vs, desktopGL['INFO_LOG_LENGTH']) === null, "invalid call to getShaderParameter should return null");
+    wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "INFO_LOG_LENGTH is not a valid argument to getShaderParameter in WebGL");
+    assertMsg(gl.getShaderParameter(vs, desktopGL['SHADER_SOURCE_LENGTH']) === null, "invalid call to getShaderParameter should return null");
+    wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "SHADER_SOURCE_LENGTH is not a valid argument to getShaderParameter in WebGL");
+
+    var vs2 = gl.createShader(gl.VERTEX_SHADER);
+    gl.shaderSource(vs2, "attribute vec4 aVertex; attribute vec4 aColor; varying vec4 vColor; void main() { vColor = aColor; gl_Position = aVertex * 0.5; }");
+    gl.compileShader(vs2);
+
+    assertMsg(gl.getShaderParameter(vs2, gl.COMPILE_STATUS) == true,
+              "good vertex shader #2 should compile");
+
+    var vsBad = gl.createShader(gl.VERTEX_SHADER);
+    gl.shaderSource(vsBad, "WILL NOT COMPILE;");
+    gl.compileShader(vsBad);
+
+    // GLSL 1.0.17 section 10.27. compile shader does not have to return failure.
+    //assertMsg(gl.getShaderParameter(vsBad, gl.COMPILE_STATUS) == false,
+    //          "bad vertex shader should fail to compile");
+
+    var fs = gl.createShader(gl.FRAGMENT_SHADER);
+    gl.shaderSource(fs, "precision mediump float; varying vec4 vColor; void main() { gl_FragColor = vColor; }");
+    gl.compileShader(fs);
+
+    assertMsg(gl.getShaderParameter(fs, gl.COMPILE_STATUS) == true,
+              "good fragment shader should compile");
+
+    var fs2 = gl.createShader(gl.FRAGMENT_SHADER);
+    gl.shaderSource(fs2, "precision mediump float; varying vec4 vColor; void main() { gl_FragColor = vColor * 0.5; }");
+    gl.compileShader(fs2);
+
+    assertMsg(gl.getShaderParameter(fs2, gl.COMPILE_STATUS) == true,
+              "good fragment shader #2 should compile");
+
+    var fsBad = gl.createShader(gl.FRAGMENT_SHADER);
+    gl.shaderSource(fsBad, "WILL NOT COMPILE;");
+    gl.compileShader(fsBad);
+
+    // GLSL 1.0.17 section 10.27. compile shader does not have to return failure.
+    //assertMsg(gl.getShaderParameter(fsBad, gl.COMPILE_STATUS) == false,
+    //          "bad fragment shader should fail to compile");
+
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors at this point");
+
+/////// Check attachShader() /////////////////////////////
+
+    function checkAttachShader(already_attached_shaders, shader, expected_error_code, errmsg) {
+        var prog = gl.createProgram();
+        for (var i = 0; i < already_attached_shaders.length; ++i)
+            gl.attachShader(prog, already_attached_shaders[i]);
+        if(gl.getError() != gl.NO_ERROR)
+            assertMsg(false, "unexpected error in attachShader()");
+        gl.attachShader(prog, shader);
+        wtu.glErrorShouldBe(gl, expected_error_code, errmsg);
+    }
+
+    checkAttachShader([], vs, gl.NO_ERROR, "attaching a vertex shader should succeed");
+    checkAttachShader([vs], vs, gl.INVALID_OPERATION,
+                      "attaching an already attached vertex shader should generate INVALID_OPERATION");
+    checkAttachShader([], fs, gl.NO_ERROR, "attaching a fragment shader should succeed");
+    checkAttachShader([fs], fs, gl.INVALID_OPERATION,
+                      "attaching an already attached fragment shader should generate INVALID_OPERATION");
+    checkAttachShader([vs], vs2, gl.INVALID_OPERATION,
+                      "attaching shaders of the same type to a program should generate INVALID_OPERATION");
+    checkAttachShader([fs], fs2, gl.INVALID_OPERATION,
+                      "attaching shaders of the same type to a program should generate INVALID_OPERATION");
+
+/////// Check detachShader() /////////////////////////////
+
+    function checkDetachShader(already_attached_shaders, shader, expected_error_code, errmsg) {
+        var prog = gl.createProgram();
+        for (var i = 0; i < already_attached_shaders.length; ++i)
+            gl.attachShader(prog, already_attached_shaders[i]);
+        if(gl.getError() != gl.NO_ERROR)
+            assertMsg(false, "unexpected error in attachShader()");
+        gl.detachShader(prog, shader);
+        wtu.glErrorShouldBe(gl, expected_error_code, errmsg);
+    }
+
+    checkDetachShader([vs], vs, gl.NO_ERROR, "detaching a vertex shader should succeed");
+    checkDetachShader([fs], vs, gl.INVALID_OPERATION,
+                      "detaching a not already attached vertex shader should generate INVALID_OPERATION");
+    checkDetachShader([fs], fs, gl.NO_ERROR, "detaching a fragment shader should succeed");
+    checkDetachShader([vs], fs, gl.INVALID_OPERATION,
+                      "detaching a not already attached fragment shader should generate INVALID_OPERATION");
+
+/////// Check getAttachedShaders() /////////////////////////////
+
+    function checkGetAttachedShaders(shaders_to_attach, shaders_to_detach, expected_shaders, errmsg) {
+        var prog = gl.createProgram();
+        for (var i = 0; i < shaders_to_attach.length; ++i)
+            gl.attachShader(prog, shaders_to_attach[i]);
+        if(gl.getError() != gl.NO_ERROR)
+            assertMsg(false, "unexpected error in attachShader()");
+        for (var i = 0; i < shaders_to_detach.length; ++i)
+            gl.detachShader(prog, shaders_to_detach[i]);
+        if(gl.getError() != gl.NO_ERROR)
+            assertMsg(false, "unexpected error in detachShader()");
+        assertMsg(doArraysHaveSameContents(gl.getAttachedShaders(prog), expected_shaders), errmsg);
+    }
+    checkGetAttachedShaders([], [], [], "getAttachedShaders should return an empty list by default");
+    checkGetAttachedShaders([fs], [], [fs], "attaching a single shader should give the expected list");
+    checkGetAttachedShaders([fs, vs], [], [fs, vs],
+        "attaching some shaders should give the expected list");
+    checkGetAttachedShaders([fs], [fs], [], "attaching a shader and detaching it should leave an empty list");
+    checkGetAttachedShaders([fs, vs], [fs, vs], [],
+        "attaching some shaders and detaching them in same order should leave an empty list");
+    checkGetAttachedShaders([fs, vs], [vs, fs], [],
+        "attaching some shaders and detaching them in random order should leave an empty list");
+    checkGetAttachedShaders([fs, vs], [vs], [fs],
+        "attaching and detaching some shaders should leave the difference list");
+    checkGetAttachedShaders([fs, vs], [fs], [vs],
+        "attaching and detaching some shaders should leave the difference list");
+    checkGetAttachedShaders([fsBad], [], [fsBad],
+        "attaching a shader that failed to compile should still show it in the list");
+    checkGetAttachedShaders([fs, vsBad], [], [fs, vsBad],
+        "attaching shaders, including one that failed to compile, should still show the it in the list");
+
+/////// Check linkProgram() and useProgram /////////////////////////////
+
+    function checkLinkAndUse(shaders, deleteShaderAfterAttach, expected_status, testInvalidEnums, errmsg) {
+        var prog = gl.createProgram();
+        for (var i = 0; i < shaders.length; ++i) {
+            gl.attachShader(prog, shaders[i]);
+            if (deleteShaderAfterAttach)
+                gl.deleteShader(shaders[i]);
+        }
+        gl.bindAttribLocation(prog, 0, "aVertex");
+        gl.bindAttribLocation(prog, 1, "aColor");
+        gl.linkProgram(prog);
+        if (gl.getError() != gl.NO_ERROR)
+            assertMsg(false, "unexpected error in linkProgram()");
+        assertMsg(gl.getProgramParameter(prog, gl.LINK_STATUS) == expected_status, errmsg);
+        var infolog = gl.getProgramInfoLog(prog);
+        if (gl.getError() != gl.NO_ERROR)
+            assertMsg(false, "unexpected error in getProgramInfoLog()");
+        if (typeof(infolog) != "string")
+            assertMsg(false, "getProgramInfoLog() did not return a string");
+        if (expected_status == true && gl.getProgramParameter(prog, gl.LINK_STATUS) == false)
+            debug(infolog);
+        if (gl.getError() != gl.NO_ERROR)
+            assertMsg(false, "unexpected error in getProgramParameter()");
+
+        if (testInvalidEnums) {
+            // Verify that constants removed from the WebGL spec generate INVALID_ENUM errors
+            assertMsg(gl.getProgramParameter(prog, desktopGL['INFO_LOG_LENGTH']) === null, "invalid call to getProgramParameter should return null");
+            wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "INFO_LOG_LENGTH is not a valid argument to getProgramParameter in WebGL");
+            assertMsg(gl.getProgramParameter(prog, desktopGL['ACTIVE_ATTRIBUTE_MAX_LENGTH']) === null, "invalid call to getProgramParameter should return null");
+            wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "ACTIVE_ATTRIBUTE_MAX_LENGTH is not a valid argument to getProgramParameter in WebGL");
+            assertMsg(gl.getProgramParameter(prog, desktopGL['ACTIVE_UNIFORM_MAX_LENGTH']) === null, "invalid call to getProgramParameter should return null");
+            wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "ACTIVE_UNIFORM_MAX_LENGTH is not a valid argument to getProgramParameter in WebGL");
+        }
+
+        gl.useProgram(prog);
+        if (expected_status == true)
+            wtu.glErrorShouldBe(gl, gl.NO_ERROR, "using a valid program should succeed");
+        if (expected_status == false)
+            wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "using an invalid program should generate INVALID_OPERATION");
+        return prog;
+    }
+
+    var progGood1 = checkLinkAndUse([vs, fs], false, true, true, "valid program should link");
+    var progGood2 = checkLinkAndUse([vs, fs2], false, true, false, "valid program #2 should link");
+    var progBad1 = checkLinkAndUse([vs], false, false, false, "program with no fragment shader should fail to link");
+    var progBad2 = checkLinkAndUse([fs], false, false, false, "program with no vertex shader should fail to link");
+    var progBad3 = checkLinkAndUse([vsBad, fs], false, false, false, "program with bad vertex shader should fail to link");
+    var progBad4 = checkLinkAndUse([vs, fsBad], false, false, false, "program with bad fragment shader should fail to link");
+    var progBad5 = checkLinkAndUse([vsBad, fsBad], false, false, false, "program with bad shaders should fail to link");
+
+    gl.useProgram(progGood1);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "using a valid program shouldn't generate a GL error");
+
+    var vbuf = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, vbuf);
+    gl.bufferData(gl.ARRAY_BUFFER,
+                  new Float32Array([
+                      0.0, 0.0, 0.0, 1.0,
+                      1.0, 0.0, 0.0, 1.0,
+                      1.0, 1.0, 0.0, 1.0,
+                      0.0, 1.0, 0.0, 1.0]),
+                  gl.STATIC_DRAW);
+    gl.vertexAttribPointer(0, 4, gl.FLOAT, false, 0, 0);
+    gl.enableVertexAttribArray(0);
+    gl.vertexAttrib3f(1, 1.0, 0.0, 0.0);
+
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors at this point #2");
+
+    gl.useProgram(null);
+    gl.drawArrays(gl.TRIANGLES, 0, 3);
+    wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "drawing with a null program should generate INVALID_OPERATION");
+
+    gl.useProgram(progGood1);
+    gl.drawArrays(gl.TRIANGLES, 0, 3);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid program shouldn't generate a GL error");
+
+    gl.useProgram(progBad1);
+    wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "using an invalid program should generate INVALID_OPERATION");
+    gl.drawArrays(gl.TRIANGLES, 0, 3);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Try to use an invalid program should not change the current rendering state");
+
+    gl.useProgram(progGood2);
+    gl.drawArrays(gl.TRIANGLES, 0, 3);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid program shouldn't generate a GL error");
+    gl.detachShader(progGood2, fs2);
+    gl.attachShader(progGood2, fsBad);
+    gl.linkProgram(progGood2);
+    assertMsg(gl.getProgramParameter(progGood2, gl.LINK_STATUS) == false,
+              "linking should fail with in-use formerly good program, with new bad shader attached");
+
+    // Invalid link leaves previous valid program intact.
+    gl.drawArrays(gl.TRIANGLES, 0, 3);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid program shouldn't generate a GL error");
+
+    gl.useProgram(progGood1);
+    gl.drawArrays(gl.TRIANGLES, 0, 4);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid when last used program shouldn't generate a GL error");
+
+    var progGood1 = checkLinkAndUse([vs, fs], true, true, false, "delete shaders after attaching them and before linking program should not affect linkProgram");
+    gl.useProgram(progGood1);
+    gl.drawArrays(gl.TRIANGLES, 0, 4);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "drawing with a valid when last used program shouldn't generate a GL error");
+
+/////// Check deleteProgram() and deleteShader() /////////////////////////////
+
+    gl.useProgram(progGood1);
+    gl.deleteProgram(progGood1);
+    gl.drawArrays(gl.TRIANGLES, 0, 4);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "delete the current program shouldn't change the current rendering state");
+
+    gl.linkProgram(progGood1);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "The current program shouldn't be deleted");
+
+    var fs3 = gl.createShader(gl.FRAGMENT_SHADER);
+    gl.shaderSource(fs3, "precision mediump float; varying vec4 vColor; void main() { gl_FragColor = vColor; }");
+    gl.compileShader(fs3);
+
+    assertMsg(gl.getShaderParameter(fs3, gl.COMPILE_STATUS) == true,
+              "good fragment shader should compile");
+
+    gl.deleteShader(fs3);
+    gl.compileShader(fs3);
+    wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "an unattached shader should be deleted immediately");
+
+    fs3 = gl.createShader(gl.FRAGMENT_SHADER);
+    gl.shaderSource(fs3, "precision mediump float; varying vec4 vColor; void main() { gl_FragColor = vColor; }");
+    gl.compileShader(fs3);
+
+    assertMsg(gl.getShaderParameter(fs3, gl.COMPILE_STATUS) == true,
+              "good fragment shader should compile");
+
+    gl.detachShader(progGood1, fs);
+    gl.attachShader(progGood1, fs3);
+
+    gl.deleteShader(fs3);
+    gl.compileShader(fs3);
+    assertMsg(gl.getShaderParameter(fs3, gl.COMPILE_STATUS) == true,
+              "an attached shader shouldn't be deleted");
+
+    gl.useProgram(null);
+    gl.linkProgram(progGood1);
+    wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "a delete-marked program should be deleted once it's no longer the current program");
+
+    gl.compileShader(fs3);
+    wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "a delete-marked shader should be deleted once all its attachments are removed");
+
+//////// Check linkProgram() with relinked program //////////
+    var vs = wtu.loadShaderFromScript(gl, "vshader");
+    var fs = wtu.loadShaderFromScript(gl, "fshader-red");
+    var prg = wtu.createProgram(gl, vs, fs);
+    gl.useProgram(prg);
+    var posLoc = gl.getAttribLocation(prg, "a_position");
+    wtu.setupUnitQuad(gl, posLoc);
+    wtu.clearAndDrawUnitQuad(gl);
+    wtu.checkCanvas(gl, [255, 0, 0, 255], "should be red");
+    gl.shaderSource(fs, wtu.getScript("fshader-green"));
+    gl.compileShader(fs);
+    gl.linkProgram(prg);
+    // Program should be new program at this point without calling useProgram
+    wtu.clearAndDrawUnitQuad(gl);
+    wtu.checkCanvas(gl, [0, 255, 0, 255], "should be green");
+    var prg = wtu.setupProgram(gl, ["vshader", "fshader-settable"], ["a_position"]);
+    var colorLoc = gl.getUniformLocation(prg, "u_color");
+    gl.uniform4f(colorLoc, 1, 0, 0, 1);
+    wtu.clearAndDrawUnitQuad(gl);
+    wtu.checkCanvas(gl, [255, 0, 0, 255], "should be red");
+    gl.linkProgram(prg);
+    // Program's uniforms should be cleared at this point without calling useProgram
+    wtu.clearAndDrawUnitQuad(gl, [0, 255, 0, 255]);
+    wtu.checkCanvas(gl, [0, 0, 0, 0], "should be tranparent black");
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
+}
+
+debug("");
+go();
+
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>