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Diffstat (limited to '')
26 files changed, 787 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/compressed_paletted_texture/compressed_paletted_texture.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/compressed_paletted_texture/compressed_paletted_texture.frag new file mode 100644 index 0000000000..ad6b60241a --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/compressed_paletted_texture/compressed_paletted_texture.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 +uniform sampler2D gtf_Texture0; +varying vec4 color; +varying vec4 gtf_TexCoord[1]; + +void main (void) +{ + gl_FragColor = color * texture2D(gtf_Texture0, gtf_TexCoord[0].xy); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/compressed_paletted_texture/compressed_paletted_texture.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/compressed_paletted_texture/compressed_paletted_texture.vert new file mode 100644 index 0000000000..f16ba31304 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/compressed_paletted_texture/compressed_paletted_texture.vert @@ -0,0 +1,21 @@ + +/* +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_Color; +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 gtf_TexCoord[1]; +attribute vec4 gtf_MultiTexCoord0; +varying vec4 color; + +void main (void) +{ + color = gtf_Color; + gtf_TexCoord[0] = gtf_MultiTexCoord0; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag.frag new file mode 100644 index 0000000000..4371f9a7fc --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag.frag @@ -0,0 +1,51 @@ + +/* +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 +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + +// This fragment shader computes an image representation of the derivative of +// sine. The derivative of sine is cosine. This shader's output is compared to +// the reference shader that computes an image representation of cosine +// directly. + +uniform float viewportwidth; +uniform float viewportheight; + +varying vec2 vertXY; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float sine; + float cosine; + +#ifdef GL_OES_standard_derivatives + sine = sin(fract(gl_FragCoord.x / 128.0) * (2.0 * M_PI)); + cosine = REDUCE_RANGE((128.0 / (2.0 * M_PI)) * dFdx(sine)); +#else + cosine = 0.5; +#endif + + if( gl_FragCoord.x < SAFETY_BOUND ) + { + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag_ref.frag new file mode 100644 index 0000000000..263b5b7f3c --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag_ref.frag @@ -0,0 +1,44 @@ + +/* +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 +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + +uniform float viewportwidth; +uniform float viewportheight; + +varying vec2 vertXY; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float cosine; + + if( gl_FragCoord.x < SAFETY_BOUND ) + { + // horizontal cosine wave with a period of 128 pixels +#ifdef GL_OES_standard_derivatives + cosine = REDUCE_RANGE(cos(fract(gl_FragCoord.x / 128.0) * (2.0 * M_PI))); +#else + cosine = 0.5; +#endif + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag_ref.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdx/dFdx_frag_ref.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag.frag new file mode 100644 index 0000000000..6956f59620 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag.frag @@ -0,0 +1,51 @@ + +/* +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 +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + +// This fragment shader computes an image representation of the derivative of +// sine. The derivative of sine is cosine. This shader's output is compared to +// the reference shader that computes an image representation of cosine +// directly. + +uniform float viewportwidth; +uniform float viewportheight; + +varying vec2 vertXY; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float sine; + float cosine; + +#ifdef GL_OES_standard_derivatives + sine = sin(fract(gl_FragCoord.y / 128.0) * (2.0 * M_PI)); + cosine = REDUCE_RANGE((128.0 / (2.0 * M_PI)) * dFdy(sine)); +#else + cosine = 0.5; +#endif + + if( gl_FragCoord.y < SAFETY_BOUND ) + { + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag.vert new file mode 100644 index 0000000000..642c65f958 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag.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; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag_ref.frag new file mode 100644 index 0000000000..bd4555a47a --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag_ref.frag @@ -0,0 +1,47 @@ + +/* +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 +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + +uniform float viewportwidth; +uniform float viewportheight; + +varying vec2 vertXY; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float cosine; + + if( gl_FragCoord.y < SAFETY_BOUND ) + { + // vertical cosine wave with a period of 128 pixels + +#ifdef GL_OES_standard_derivatives + cosine = REDUCE_RANGE(cos(fract(gl_FragCoord.y / 128.0) * (2.0 * M_PI))); +#else + cosine = 0.5; +#endif + + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag_ref.vert new file mode 100644 index 0000000000..642c65f958 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/dFdy/dFdy_frag_ref.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; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default.frag new file mode 100644 index 0000000000..48175cd07e --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default.frag @@ -0,0 +1,17 @@ + +/* +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) +{ + gl_FragColor = color; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default.vert new file mode 100644 index 0000000000..dc31499b90 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default.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_Color; +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 color; + +void main (void) +{ + color = gtf_Color; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; + gl_PointSize = 1.0; + +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default_textured.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default_textured.frag new file mode 100644 index 0000000000..48cd225675 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default_textured.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 +uniform sampler2D gtf_Texture0; +varying vec4 color; +varying vec4 gtf_TexCoord[1]; + +void main (void) +{ + gl_FragColor = texture2D(gtf_Texture0, gtf_TexCoord[0].xy); +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default_textured.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default_textured.vert new file mode 100644 index 0000000000..0088a62147 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/default_shaders/default_textured.vert @@ -0,0 +1,22 @@ + +/* +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_Color; +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; +varying vec4 gtf_TexCoord[1]; +attribute vec4 gtf_MultiTexCoord0; +varying vec4 color; + +void main (void) +{ + color = gtf_Color; + gtf_TexCoord[0] = gtf_MultiTexCoord0; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; + gl_PointSize = 1.0; +} diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.frag new file mode 100644 index 0000000000..ebe8461533 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.frag @@ -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. +*/ + + +#ifdef GL_ES +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + + +varying vec2 vertXY; + +uniform float viewportwidth; +uniform float viewportheight; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float func; + float funcfwidth; + +#ifdef GL_OES_standard_derivatives + // fwidth of average of horizontal and vertical sine waves with periods of 128 pixels, scaled to go from -1 to +1 + func = 0.5 * (sin(fract(gl_FragCoord.x / 128.0) * (2.0 * M_PI)) + sin(fract(gl_FragCoord.y / 128.0) * (2.0 * M_PI))); + funcfwidth = REDUCE_RANGE((128.0 / (2.0 * M_PI)) * fwidth(func)); +#else + funcfwidth = 0.5; +#endif + + if( (gl_FragCoord.x < SAFETY_BOUND) && (gl_FragCoord.y < SAFETY_BOUND) ) + { + gl_FragColor = vec4(funcfwidth, funcfwidth, funcfwidth, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.frag new file mode 100644 index 0000000000..cc5be437d3 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.frag @@ -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. +*/ + + +#ifdef GL_ES +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + +varying vec2 vertXY; + +uniform float viewportwidth; +uniform float viewportheight; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float cosine; + float sine; + +#ifdef GL_OES_standard_derivatives + // fwidth of horizontal sine wave with a period of 128 pixels, scaled to go from -1 to +1 + sine = sin(fract(gl_FragCoord.x / 128.0) * (2.0 * M_PI)); + cosine = REDUCE_RANGE((128.0 / (2.0 * M_PI)) * fwidth(sine)); +#else + cosine = 0.5; +#endif + + if( (gl_FragCoord.x < SAFETY_BOUND) && (gl_FragCoord.y < SAFETY_BOUND) ) + { + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.frag new file mode 100644 index 0000000000..cd555f623e --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.frag @@ -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. +*/ + + +#ifdef GL_ES +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + + +varying vec2 vertXY; + +uniform float viewportwidth; +uniform float viewportheight; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float cosine; + float sine; + +#ifdef GL_OES_standard_derivatives + // fwidth of vertical sine wave with a period of 128 pixels, scaled to go from -1 to +1 + sine = sin(fract(gl_FragCoord.y / 128.0) * (2.0 * M_PI)); + cosine = REDUCE_RANGE((128.0 / (2.0 * M_PI)) * fwidth(sine)); +#else + cosine = 0.5; +#endif + + if( (gl_FragCoord.x < SAFETY_BOUND) && (gl_FragCoord.y < SAFETY_BOUND) ) + { + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.frag new file mode 100644 index 0000000000..c80b0007d1 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.frag @@ -0,0 +1,47 @@ + +/* +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 +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + + +uniform float viewportwidth; +uniform float viewportheight; + +varying vec2 vertXY; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float func; + + if( (gl_FragCoord.x < SAFETY_BOUND) && (gl_FragCoord.y < SAFETY_BOUND) ) + { + // average of horizontal and vertical abs cosine waves with periods of 128 pixels + +#ifdef GL_OES_standard_derivatives + func = REDUCE_RANGE(0.5 * (abs(cos(fract(gl_FragCoord.x / 128.0) * (2.0 * M_PI))) + abs(cos(fract(gl_FragCoord.y / 128.0) * (2.0 * M_PI))))); +#else + func = 0.5; +#endif + + gl_FragColor = vec4(func, func, func, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.frag new file mode 100644 index 0000000000..045591208e --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.frag @@ -0,0 +1,46 @@ + +/* +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 +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0].. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + +uniform float viewportwidth; +uniform float viewportheight; + +varying vec2 vertXY; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float cosine; + + if( (gl_FragCoord.x < SAFETY_BOUND) && (gl_FragCoord.y < SAFETY_BOUND) ) + { + // horizontal abs cosine wave with a period of 128 pixels + +#ifdef GL_OES_standard_derivatives + cosine = REDUCE_RANGE(abs(cos(fract(gl_FragCoord.x / 128.0) * (2.0 * M_PI)))); +#else + cosine = 0.5; +#endif + + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.frag b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.frag new file mode 100644 index 0000000000..d187cf8de0 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.frag @@ -0,0 +1,47 @@ + +/* +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 +#extension GL_OES_standard_derivatives : enable +precision mediump float; +#endif + +// setting a boundary for cases where screen sizes may exceed the precision +// of the arithmetic used. +#define SAFETY_BOUND 500.0 + +// Macro to scale/bias the range of output. If input is [-1.0, 1.0], maps to [0.5, 1.0]. +// Accounts for precision errors magnified by derivative operation. +#define REDUCE_RANGE(A) ((A) + 3.0) / 4.0 + + +uniform float viewportwidth; +uniform float viewportheight; + +varying vec2 vertXY; + +void main (void) +{ + const float M_PI = 3.14159265358979323846; + float cosine; + + if( (gl_FragCoord.x < SAFETY_BOUND) && (gl_FragCoord.y < SAFETY_BOUND) ) + { + // vertical abs cosine wave with a period of 128 pixels + +#ifdef GL_OES_standard_derivatives + cosine = REDUCE_RANGE(abs(cos(fract(gl_FragCoord.y / 128.0) * (2.0 * M_PI)))); +#else + cosine = 0.5; +#endif + + gl_FragColor = vec4(cosine, cosine, cosine, 1.0); + } + else discard; +} + diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.vert b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.vert new file mode 100644 index 0000000000..57ebf867ec --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.vert @@ -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. +*/ + + +attribute vec4 gtf_Vertex; +uniform mat4 gtf_ModelViewProjectionMatrix; + +varying vec2 vertXY; + +void main (void) +{ + vertXY = gtf_Vertex.xy; + gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; +} + |