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-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.frag48
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag.vert19
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.frag48
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dx.vert19
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.frag48
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_dy.vert19
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.frag47
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref.vert19
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.frag46
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dx.vert19
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.frag47
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance/ogles/GL2ExtensionTests/fwidth/fwidth_frag_ref_dy.vert19
12 files changed, 398 insertions, 0 deletions
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;
+}
+