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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos')
14 files changed, 787 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_001_to_006.html b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_001_to_006.html new file mode 100644 index 0000000000..3fae3212ea --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_001_to_006.html @@ -0,0 +1,109 @@ +<!DOCTYPE html> +<!-- this file is auto-generated. DO NOT EDIT. --> +<!-- +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. +--> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL GLSL conformance test: acos_001_to_006.html</title> +<link rel="stylesheet" href="../../../../resources/js-test-style.css" /> +<link rel="stylesheet" href="../../../../resources/ogles-tests.css" /> +<script src="../../../../js/js-test-pre.js"></script> +<script src="../../../../js/webgl-test-utils.js"></script> +<script src="../../ogles-utils.js"></script> +</head> +<body> +<canvas id="example" width="500" height="500" style="width: 16px; height: 16px;"></canvas> +<div id="description"></div> +<div id="console"></div> +</body> +<script> +"use strict"; +OpenGLESTestRunner.run({ + "tests": [ + { + "referenceProgram": { + "vertexShader": "../default/default.vert", + "fragmentShader": "acos_float_frag_xvary_ref.frag" + }, + "model": null, + "testProgram": { + "vertexShader": "../default/default.vert", + "fragmentShader": "acos_float_frag_xvary.frag" + }, + "name": "acos_float_frag_xvary.test.html", + "pattern": "compare" + }, + { + "referenceProgram": { + "vertexShader": "../default/default.vert", + "fragmentShader": "acos_vec2_frag_xvary_ref.frag" + }, + "model": null, + "testProgram": { + "vertexShader": "../default/default.vert", + "fragmentShader": "acos_vec2_frag_xvary.frag" + }, + "name": "acos_vec2_frag_xvary.test.html", + "pattern": "compare" + }, + { + "referenceProgram": { + "vertexShader": "../default/default.vert", + "fragmentShader": "acos_vec3_frag_xvary_ref.frag" + }, + "model": null, + "testProgram": { + "vertexShader": "../default/default.vert", + "fragmentShader": "acos_vec3_frag_xvary.frag" + }, + "name": "acos_vec3_frag_xvary.test.html", + "pattern": "compare" + }, + { + "referenceProgram": { + "vertexShader": "acos_float_vert_xvary_ref.vert", + "fragmentShader": "../default/default.frag" + }, + "model": "grid", + "testProgram": { + "vertexShader": "acos_float_vert_xvary.vert", + "fragmentShader": "../default/default.frag" + }, + "name": "acos_float_vert_xvary.test.html", + "pattern": "compare" + }, + { + "referenceProgram": { + "vertexShader": "acos_vec2_vert_xvary_ref.vert", + "fragmentShader": "../default/default.frag" + }, + "model": "grid", + "testProgram": { + "vertexShader": "acos_vec2_vert_xvary.vert", + "fragmentShader": "../default/default.frag" + }, + "name": "acos_vec2_vert_xvary.test.html", + "pattern": "compare" + }, + { + "referenceProgram": { + "vertexShader": "acos_vec3_vert_xvary_ref.vert", + "fragmentShader": "../default/default.frag" + }, + "model": "grid", + "testProgram": { + "vertexShader": "acos_vec3_vert_xvary.vert", + "fragmentShader": "../default/default.frag" + }, + "name": "acos_vec3_vert_xvary.test.html", + "pattern": "compare" + } + ] +}); +var successfullyParsed = true; +</script> +</html> diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_frag_xvary.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_frag_xvary.frag new file mode 100644 index 0000000000..db65737072 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_frag_xvary.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 +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float c = 2.0 * (color.r - 0.5); + gl_FragColor = vec4(acos(c) / M_PI, 0.0, 0.0, 1.0); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_frag_xvary_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_frag_xvary_ref.frag new file mode 100644 index 0000000000..3be16e453b --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_frag_xvary_ref.frag @@ -0,0 +1,94 @@ + +/* +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. +*/ + + +/* The following files are direct copies of each other: + * + * GL/acos/acos_float_frag_xvary_ref.frag + * GL/asin/asin_float_frag_xvary_ref.frag + * + * Care should be taken to apply any changes to both. Only the last + * line where gl_FragColor is assigned should be different. + */ + +#ifdef GL_ES +precision mediump float; +#endif +varying vec4 color; + +float lerp(float a, float b, float s) +{ + return a + (b - a) * s; +} + +void main (void) +{ + float asinValues[17]; + asinValues[0] = -1.5708; + asinValues[1] = -1.06544; + asinValues[2] = -0.848062; + asinValues[3] = -0.675132; + asinValues[4] = -0.523599; + asinValues[5] = -0.384397; + asinValues[6] = -0.25268; + asinValues[7] = -0.125328; + asinValues[8] = 0.0; + asinValues[9] = 0.125328; + asinValues[10] = 0.25268; + asinValues[11] = 0.384397; + asinValues[12] = 0.523599; + asinValues[13] = 0.675132; + asinValues[14] = 0.848062; + asinValues[15] = 1.06544; + asinValues[16] = 1.5708; + + const float M_PI = 3.14159265358979323846; + float c = 2.0 * (color.r - 0.5); + + float arrVal = (c + 1.0) * 8.0; + int arr0 = int(floor(arrVal)); + float weight = arrVal - floor(arrVal); + float asin_c = 0.0; + + if (arr0 == 0) + asin_c = lerp(asinValues[0], asinValues[1], weight); + else if (arr0 == 1) + asin_c = lerp(asinValues[1], asinValues[2], weight); + else if (arr0 == 2) + asin_c = lerp(asinValues[2], asinValues[3], weight); + else if (arr0 == 3) + asin_c = lerp(asinValues[3], asinValues[4], weight); + else if (arr0 == 4) + asin_c = lerp(asinValues[4], asinValues[5], weight); + else if (arr0 == 5) + asin_c = lerp(asinValues[5], asinValues[6], weight); + else if (arr0 == 6) + asin_c = lerp(asinValues[6], asinValues[7], weight); + else if (arr0 == 7) + asin_c = lerp(asinValues[7], asinValues[8], weight); + else if (arr0 == 8) + asin_c = lerp(asinValues[8], asinValues[9], weight); + else if (arr0 == 9) + asin_c = lerp(asinValues[9], asinValues[10], weight); + else if (arr0 == 10) + asin_c = lerp(asinValues[10], asinValues[11], weight); + else if (arr0 == 11) + asin_c = lerp(asinValues[11], asinValues[12], weight); + else if (arr0 == 12) + asin_c = lerp(asinValues[12], asinValues[13], weight); + else if (arr0 == 13) + asin_c = lerp(asinValues[13], asinValues[14], weight); + else if (arr0 == 14) + asin_c = lerp(asinValues[14], asinValues[15], weight); + else if (arr0 == 15) + asin_c = lerp(asinValues[15], asinValues[16], weight); + else if (arr0 == 16) + asin_c = asinValues[16]; + + // acos(x) = PI/2 - asin(x) + gl_FragColor = vec4(0.5 - asin_c / M_PI, 0.0, 0.0, 1.0); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_vert_xvary.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_vert_xvary.vert new file mode 100644 index 0000000000..57391c206a --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_vert_xvary.vert @@ -0,0 +1,20 @@ + +/* +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; +attribute vec4 gtf_Color; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float c = 2.0 * (gtf_Color.r - 0.5); + color = vec4(acos(c) / M_PI, 0.0, 0.0, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_vert_xvary_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_vert_xvary_ref.vert new file mode 100644 index 0000000000..a18618539f --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_float_vert_xvary_ref.vert @@ -0,0 +1,41 @@ + +/* +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; +attribute vec4 gtf_Color; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float c = 2.0 * (gtf_Color.r - 0.5); + + float acos_c = 0.0; + float scale = 1.0; + float sign = 1.0; + + // pow can't handle negative numbers so take advantage of symmetry + if(c < 0.0) + { + sign = -1.0; + c *= -1.0; + } + + // Taylors series expansion for acos + // 1000/2 iterations necessary to get the accuracy with this method + for(int i = 1; i < 1000; i += 2) + { + acos_c += scale * pow(c, float(i)) / float(i); + scale *= float(i) / float(i + 1); + } + acos_c = M_PI / 2.0 - sign * acos_c; + + color = vec4(acos_c / M_PI, 0.0, 0.0, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_frag_xvary.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_frag_xvary.frag new file mode 100644 index 0000000000..603435cc60 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_frag_xvary.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 +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + vec2 c = 2.0 * (color.rg - 0.5); + gl_FragColor = vec4(acos(c) / M_PI, 0.0, 1.0); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_frag_xvary_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_frag_xvary_ref.frag new file mode 100644 index 0000000000..273f1a01a3 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_frag_xvary_ref.frag @@ -0,0 +1,130 @@ + +/* +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. +*/ + + +/* The following files are direct copies of each other: + * + * GL/acos/acos_vec2_frag_xvary_ref.frag + * GL/asin/asin_vec2_frag_xvary_ref.frag + * + * Care should be taken to apply any changes to both. Only the last + * line where gl_FragColor is assigned should be different. + */ + +#ifdef GL_ES +precision mediump float; +#endif +varying vec4 color; + +float lerp(float a, float b, float s) +{ + return a + (b - a) * s; +} + +void main (void) +{ + float asinValues[17]; + asinValues[0] = -1.5708; + asinValues[1] = -1.06544; + asinValues[2] = -0.848062; + asinValues[3] = -0.675132; + asinValues[4] = -0.523599; + asinValues[5] = -0.384397; + asinValues[6] = -0.25268; + asinValues[7] = -0.125328; + asinValues[8] = 0.0; + asinValues[9] = 0.125328; + asinValues[10] = 0.25268; + asinValues[11] = 0.384397; + asinValues[12] = 0.523599; + asinValues[13] = 0.675132; + asinValues[14] = 0.848062; + asinValues[15] = 1.06544; + asinValues[16] = 1.5708; + + const float M_PI = 3.14159265358979323846; + vec2 c = 2.0 * (color.rg - 0.5); + + vec2 arrVal = (c + vec2(1.0, 1.0)) * 8.0; + int arr0x = int(floor(arrVal.x)); + int arr0y = int(floor(arrVal.y)); + vec2 weight = arrVal - floor(arrVal); + vec2 asin_c = vec2(0.0); + + if (arr0x == 0) + asin_c.x = lerp(asinValues[0], asinValues[1], weight.x); + else if (arr0x == 1) + asin_c.x = lerp(asinValues[1], asinValues[2], weight.x); + else if (arr0x == 2) + asin_c.x = lerp(asinValues[2], asinValues[3], weight.x); + else if (arr0x == 3) + asin_c.x = lerp(asinValues[3], asinValues[4], weight.x); + else if (arr0x == 4) + asin_c.x = lerp(asinValues[4], asinValues[5], weight.x); + else if (arr0x == 5) + asin_c.x = lerp(asinValues[5], asinValues[6], weight.x); + else if (arr0x == 6) + asin_c.x = lerp(asinValues[6], asinValues[7], weight.x); + else if (arr0x == 7) + asin_c.x = lerp(asinValues[7], asinValues[8], weight.x); + else if (arr0x == 8) + asin_c.x = lerp(asinValues[8], asinValues[9], weight.x); + else if (arr0x == 9) + asin_c.x = lerp(asinValues[9], asinValues[10], weight.x); + else if (arr0x == 10) + asin_c.x = lerp(asinValues[10], asinValues[11], weight.x); + else if (arr0x == 11) + asin_c.x = lerp(asinValues[11], asinValues[12], weight.x); + else if (arr0x == 12) + asin_c.x = lerp(asinValues[12], asinValues[13], weight.x); + else if (arr0x == 13) + asin_c.x = lerp(asinValues[13], asinValues[14], weight.x); + else if (arr0x == 14) + asin_c.x = lerp(asinValues[14], asinValues[15], weight.x); + else if (arr0x == 15) + asin_c.x = lerp(asinValues[15], asinValues[16], weight.x); + else if (arr0x == 16) + asin_c.x = asinValues[16]; + + if (arr0y == 0) + asin_c.y = lerp(asinValues[0], asinValues[1], weight.y); + else if (arr0y == 1) + asin_c.y = lerp(asinValues[1], asinValues[2], weight.y); + else if (arr0y == 2) + asin_c.y = lerp(asinValues[2], asinValues[3], weight.y); + else if (arr0y == 3) + asin_c.y = lerp(asinValues[3], asinValues[4], weight.y); + else if (arr0y == 4) + asin_c.y = lerp(asinValues[4], asinValues[5], weight.y); + else if (arr0y == 5) + asin_c.y = lerp(asinValues[5], asinValues[6], weight.y); + else if (arr0y == 6) + asin_c.y = lerp(asinValues[6], asinValues[7], weight.y); + else if (arr0y == 7) + asin_c.y = lerp(asinValues[7], asinValues[8], weight.y); + else if (arr0y == 8) + asin_c.y = lerp(asinValues[8], asinValues[9], weight.y); + else if (arr0y == 9) + asin_c.y = lerp(asinValues[9], asinValues[10], weight.y); + else if (arr0y == 10) + asin_c.y = lerp(asinValues[10], asinValues[11], weight.y); + else if (arr0y == 11) + asin_c.y = lerp(asinValues[11], asinValues[12], weight.y); + else if (arr0y == 12) + asin_c.y = lerp(asinValues[12], asinValues[13], weight.y); + else if (arr0y == 13) + asin_c.y = lerp(asinValues[13], asinValues[14], weight.y); + else if (arr0y == 14) + asin_c.y = lerp(asinValues[14], asinValues[15], weight.y); + else if (arr0y == 15) + asin_c.y = lerp(asinValues[15], asinValues[16], weight.y); + else if (arr0y == 16) + asin_c.y = asinValues[16]; + + // acos(x) = PI/2 - asin(x) + gl_FragColor = vec4(0.5 - asin_c / M_PI, 0.0, 1.0); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_vert_xvary.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_vert_xvary.vert new file mode 100644 index 0000000000..9496225fc8 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_vert_xvary.vert @@ -0,0 +1,20 @@ + +/* +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; +attribute vec4 gtf_Color; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + vec2 c = 2.0 * (gtf_Color.rg - 0.5); + color = vec4(acos(c) / M_PI, 0.0, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_vert_xvary_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_vert_xvary_ref.vert new file mode 100644 index 0000000000..3afa0be392 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec2_vert_xvary_ref.vert @@ -0,0 +1,56 @@ + +/* +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; +attribute vec4 gtf_Color; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + vec2 c = 2.0 * (gtf_Color.rg - 0.5); + vec2 acos_c = vec2(0.0); + vec2 scale = vec2(1.0); + vec2 sign = vec2(1.0); + + // pow can't handle negative numbers so take advantage of symmetry + if(c.r < 0.0) + { + sign.r = -1.0; + c.r *= -1.0; + } + + // Taylors series expansion for acos + // 1000/2 iterations necessary to get the accuracy with this method + for(int i = 1; i < 1000; i += 2) + { + acos_c.r += scale.r * pow(c.r, float(i)) / float(i); + scale.r *= float(i) / float(i + 1); + } + acos_c.r = M_PI / 2.0 - sign.r * acos_c.r; + + // pow can't handle negative numbers so take advantage of symmetry + if(c.g < 0.0) + { + sign.g = -1.0; + c.g *= -1.0; + } + + // Taylors series expansion for acos + // 1000/2 iterations necessary to get the accuracy with this method + for(int i = 1; i < 1000; i += 2) + { + acos_c.g += scale.g * pow(c.g, float(i)) / float(i); + scale.g *= float(i) / float(i + 1); + } + acos_c.g = M_PI / 2.0 - sign.g * acos_c.g; + + color = vec4(acos_c / M_PI, 0.0, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_frag_xvary.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_frag_xvary.frag new file mode 100644 index 0000000000..a39f0a5c7a --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_frag_xvary.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 +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + vec3 c = 2.0 * (color.rgb - 0.5); + gl_FragColor = vec4(acos(c) / M_PI, 1.0); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_frag_xvary_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_frag_xvary_ref.frag new file mode 100644 index 0000000000..5d1b390f72 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_frag_xvary_ref.frag @@ -0,0 +1,166 @@ + +/* +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. +*/ + + +/* The following files are direct copies of each other: + * + * GL/acos/acos_vec3_frag_xvary_ref.frag + * GL/asin/asin_vec3_frag_xvary_ref.frag + * + * Care should be taken to apply any changes to both. Only the last + * line where gl_FragColor is assigned should be different. + */ + +#ifdef GL_ES +precision mediump float; +#endif +varying vec4 color; + +float lerp(float a, float b, float s) +{ + return a + (b - a) * s; +} + +void main (void) +{ + float asinValues[17]; + asinValues[0] = -1.5708; + asinValues[1] = -1.06544; + asinValues[2] = -0.848062; + asinValues[3] = -0.675132; + asinValues[4] = -0.523599; + asinValues[5] = -0.384397; + asinValues[6] = -0.25268; + asinValues[7] = -0.125328; + asinValues[8] = 0.0; + asinValues[9] = 0.125328; + asinValues[10] = 0.25268; + asinValues[11] = 0.384397; + asinValues[12] = 0.523599; + asinValues[13] = 0.675132; + asinValues[14] = 0.848062; + asinValues[15] = 1.06544; + asinValues[16] = 1.5708; + + const float M_PI = 3.14159265358979323846; + vec3 c = 2.0 * (color.rgb - 0.5); + + vec3 arrVal = (c + vec3(1.0, 1.0, 1.0)) * 8.0; + int arr0x = int(floor(arrVal.x)); + int arr0y = int(floor(arrVal.y)); + int arr0z = int(floor(arrVal.z)); + vec3 weight = arrVal - floor(arrVal); + vec3 asin_c = vec3(0.0); + + if (arr0x == 0) + asin_c.x = lerp(asinValues[0], asinValues[1], weight.x); + else if (arr0x == 1) + asin_c.x = lerp(asinValues[1], asinValues[2], weight.x); + else if (arr0x == 2) + asin_c.x = lerp(asinValues[2], asinValues[3], weight.x); + else if (arr0x == 3) + asin_c.x = lerp(asinValues[3], asinValues[4], weight.x); + else if (arr0x == 4) + asin_c.x = lerp(asinValues[4], asinValues[5], weight.x); + else if (arr0x == 5) + asin_c.x = lerp(asinValues[5], asinValues[6], weight.x); + else if (arr0x == 6) + asin_c.x = lerp(asinValues[6], asinValues[7], weight.x); + else if (arr0x == 7) + asin_c.x = lerp(asinValues[7], asinValues[8], weight.x); + else if (arr0x == 8) + asin_c.x = lerp(asinValues[8], asinValues[9], weight.x); + else if (arr0x == 9) + asin_c.x = lerp(asinValues[9], asinValues[10], weight.x); + else if (arr0x == 10) + asin_c.x = lerp(asinValues[10], asinValues[11], weight.x); + else if (arr0x == 11) + asin_c.x = lerp(asinValues[11], asinValues[12], weight.x); + else if (arr0x == 12) + asin_c.x = lerp(asinValues[12], asinValues[13], weight.x); + else if (arr0x == 13) + asin_c.x = lerp(asinValues[13], asinValues[14], weight.x); + else if (arr0x == 14) + asin_c.x = lerp(asinValues[14], asinValues[15], weight.x); + else if (arr0x == 15) + asin_c.x = lerp(asinValues[15], asinValues[16], weight.x); + else if (arr0x == 16) + asin_c.x = asinValues[16]; + + if (arr0y == 0) + asin_c.y = lerp(asinValues[0], asinValues[1], weight.y); + else if (arr0y == 1) + asin_c.y = lerp(asinValues[1], asinValues[2], weight.y); + else if (arr0y == 2) + asin_c.y = lerp(asinValues[2], asinValues[3], weight.y); + else if (arr0y == 3) + asin_c.y = lerp(asinValues[3], asinValues[4], weight.y); + else if (arr0y == 4) + asin_c.y = lerp(asinValues[4], asinValues[5], weight.y); + else if (arr0y == 5) + asin_c.y = lerp(asinValues[5], asinValues[6], weight.y); + else if (arr0y == 6) + asin_c.y = lerp(asinValues[6], asinValues[7], weight.y); + else if (arr0y == 7) + asin_c.y = lerp(asinValues[7], asinValues[8], weight.y); + else if (arr0y == 8) + asin_c.y = lerp(asinValues[8], asinValues[9], weight.y); + else if (arr0y == 9) + asin_c.y = lerp(asinValues[9], asinValues[10], weight.y); + else if (arr0y == 10) + asin_c.y = lerp(asinValues[10], asinValues[11], weight.y); + else if (arr0y == 11) + asin_c.y = lerp(asinValues[11], asinValues[12], weight.y); + else if (arr0y == 12) + asin_c.y = lerp(asinValues[12], asinValues[13], weight.y); + else if (arr0y == 13) + asin_c.y = lerp(asinValues[13], asinValues[14], weight.y); + else if (arr0y == 14) + asin_c.y = lerp(asinValues[14], asinValues[15], weight.y); + else if (arr0y == 15) + asin_c.y = lerp(asinValues[15], asinValues[16], weight.y); + else if (arr0y == 16) + asin_c.y = asinValues[16]; + + if (arr0z == 0) + asin_c.z = lerp(asinValues[0], asinValues[1], weight.z); + else if (arr0z == 1) + asin_c.z = lerp(asinValues[1], asinValues[2], weight.z); + else if (arr0z == 2) + asin_c.z = lerp(asinValues[2], asinValues[3], weight.z); + else if (arr0z == 3) + asin_c.z = lerp(asinValues[3], asinValues[4], weight.z); + else if (arr0z == 4) + asin_c.z = lerp(asinValues[4], asinValues[5], weight.z); + else if (arr0z == 5) + asin_c.z = lerp(asinValues[5], asinValues[6], weight.z); + else if (arr0z == 6) + asin_c.z = lerp(asinValues[6], asinValues[7], weight.z); + else if (arr0z == 7) + asin_c.z = lerp(asinValues[7], asinValues[8], weight.z); + else if (arr0z == 8) + asin_c.z = lerp(asinValues[8], asinValues[9], weight.z); + else if (arr0z == 9) + asin_c.z = lerp(asinValues[9], asinValues[10], weight.z); + else if (arr0z == 10) + asin_c.z = lerp(asinValues[10], asinValues[11], weight.z); + else if (arr0z == 11) + asin_c.z = lerp(asinValues[11], asinValues[12], weight.z); + else if (arr0z == 12) + asin_c.z = lerp(asinValues[12], asinValues[13], weight.z); + else if (arr0z == 13) + asin_c.z = lerp(asinValues[13], asinValues[14], weight.z); + else if (arr0z == 14) + asin_c.z = lerp(asinValues[14], asinValues[15], weight.z); + else if (arr0z == 15) + asin_c.z = lerp(asinValues[15], asinValues[16], weight.z); + else if (arr0z == 16) + asin_c.z = asinValues[16]; + + // acos(x) = PI/2 - asin(x) + gl_FragColor = vec4(0.5 - asin_c / M_PI, 1.0); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_vert_xvary.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_vert_xvary.vert new file mode 100644 index 0000000000..5a37ca2c2d --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_vert_xvary.vert @@ -0,0 +1,20 @@ + +/* +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; +attribute vec4 gtf_Color; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + vec3 c = 2.0 * (gtf_Color.rgb - 0.5); + color = vec4(acos(c) / M_PI, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_vert_xvary_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_vert_xvary_ref.vert new file mode 100644 index 0000000000..37ace0f04f --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/acos_vec3_vert_xvary_ref.vert @@ -0,0 +1,72 @@ + +/* +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; +attribute vec4 gtf_Color; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + vec3 c = 2.0 * (gtf_Color.rgb - 0.5); + vec3 acos_c = vec3(0.0); + vec3 scale = vec3(1.0); + vec3 sign = vec3(1.0); + + // pow can't handle negative numbers so take advantage of symmetry + if(c.r < 0.0) + { + sign.r = -1.0; + c.r *= -1.0; + } + + // Taylors series expansion for acos + // 1000/2 iterations necessary to get the accuracy with this method + for(int i = 1; i < 1000; i += 2) + { + acos_c.r += scale.r * pow(c.r, float(i)) / float(i); + scale.r *= float(i) / float(i + 1); + } + acos_c.r = M_PI / 2.0 - sign.r * acos_c.r; + + // pow can't handle negative numbers so take advantage of symmetry + if(c.g < 0.0) + { + sign.g = -1.0; + c.g *= -1.0; + } + + // Taylors series expansion for acos + // 1000/2 iterations necessary to get the accuracy with this method + for(int i = 1; i < 1000; i += 2) + { + acos_c.g += scale.g * pow(c.g, float(i)) / float(i); + scale.g *= float(i) / float(i + 1); + } + acos_c.g = M_PI / 2.0 - sign.g * acos_c.g; + + // pow can't handle negative numbers so take advantage of symmetry + if(c.b < 0.0) + { + sign.b = -1.0; + c.b *= -1.0; + } + + // Taylors series expansion for acos + // 1000/2 iterations necessary to get the accuracy with this method + for(int i = 1; i < 1000; i += 2) + { + acos_c.b += scale.b * pow(c.b, float(i)) / float(i); + scale.b *= float(i) / float(i + 1); + } + acos_c.b = M_PI / 2.0 - sign.b * acos_c.b; + + color = vec4(acos_c / M_PI, 1.0); + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/input.run.txt b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/input.run.txt new file mode 100644 index 0000000000..fc7eedaa08 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL/acos/input.run.txt @@ -0,0 +1,2 @@ +# this file is auto-generated. DO NOT EDIT. +acos_001_to_006.html |