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Revert lower baselines for the heatmaps in WebGL2 Firefox #12734

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Revert lower baselines for the heatmaps in WebGL2 Firefox #12734

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d4d35fe
Revert "Use WebGL2 in render tests by default (#12701)"
stepankuzmin May 31, 2023
1d994e1
Revert
stepankuzmin May 31, 2023
270c648
Enable EXT_color_buffer_float
stepankuzmin May 31, 2023
4e9146b
Enable EXT_color_buffer_float on WebGL2RenderingContext
stepankuzmin May 31, 2023
cced57c
Don't rely on extRenderToTextureHalfFloat
stepankuzmin May 31, 2023
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4 changes: 2 additions & 2 deletions src/gl/context.js
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,6 @@ class Context {
extTextureFilterAnisotropic: any;
extTextureFilterAnisotropicMax: any;
extTextureHalfFloat: any;
extRenderToTextureHalfFloat: any;
extStandardDerivatives: any;
extDebugRendererInfo: any;
extTimerQuery: any;
Expand Down Expand Up @@ -141,7 +140,8 @@ class Context {

if (!isWebGL2) this.extTextureHalfFloat = gl.getExtension('OES_texture_half_float');
if (isWebGL2 || (this.extTextureHalfFloat && gl.getExtension('OES_texture_half_float_linear'))) {
this.extRenderToTextureHalfFloat = gl.getExtension('EXT_color_buffer_half_float');
gl.getExtension('EXT_color_buffer_half_float');
gl.getExtension('EXT_color_buffer_float');
}
this.extStandardDerivatives = isWebGL2 || gl.getExtension('OES_standard_derivatives');

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5 changes: 3 additions & 2 deletions src/render/draw_heatmap.js
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Expand Up @@ -123,9 +123,10 @@ function bindTextureToFramebuffer(context: Context, painter: Painter, texture: ?
// Use the higher precision half-float texture where available (producing much smoother looking heatmaps);
// Otherwise, fall back to a low precision texture
/* $FlowFixMe[prop-missing] WebGL2 */
const type = context.extRenderToTextureHalfFloat ? (context.isWebGL2 ? gl.HALF_FLOAT : context.extTextureHalfFloat.HALF_FLOAT_OES) : gl.UNSIGNED_BYTE;
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@stepankuzmin stepankuzmin May 31, 2023

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Heatmaps work with this fix now with WebGL2, but I'm unsure about removing the gl.getExtension('EXT_color_buffer_half_float') check here. /cc @astojilj

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@stepankuzmin stepankuzmin Jul 11, 2023

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Unfortunately, this might break some Android GPUs that don't support EXT_color_buffer_half_float. So we're still blocked by Firefox not supporting EXT_color_buffer_half_float in WebGL 2.0 contexts.

const type = context.isWebGL2 ? gl.HALF_FLOAT : context.extTextureHalfFloat.HALF_FLOAT_OES;
/* $FlowFixMe[prop-missing] WebGL2 */
gl.texImage2D(gl.TEXTURE_2D, 0, (context.isWebGL2 && context.extRenderToTextureHalfFloat) ? gl.RGBA16F : gl.RGBA, width, height, 0, gl.RGBA, type, null);
const format = context.isWebGL2 ? gl.RGBA16F : gl.RGBA;
gl.texImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, gl.RGBA, type, null);
fbo.colorAttachment.set(texture);
}

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3 changes: 1 addition & 2 deletions test/integration/render-tests/fog/2d/heatmap/style.json
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Expand Up @@ -3,8 +3,7 @@
"metadata": {
"test": {
"height": 256,
"width": 256,
"allowed": 0.00265
"width": 256
}
},
"center": [
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-color/default/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 64,
"width": 256,
"allowed": 0.0073,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-color/expression/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 64,
"width": 256,
"allowed": 0.0073,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-intensity/default/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.00593,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-intensity/function/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.00263,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-intensity/literal/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.0027,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-opacity/default/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 32,
"width": 128,
"allowed": 0.0044,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-radius/default/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.00593,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-radius/function/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.01429,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-radius/literal/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.01164,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-radius/pitch30/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.02394,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-weight/default/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.00593,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-weight/identity-property-function/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.00627,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
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1 change: 0 additions & 1 deletion test/integration/render-tests/heatmap-weight/literal/style.json
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Expand Up @@ -4,7 +4,6 @@
"test": {
"height": 128,
"width": 256,
"allowed": 0.0027,
"description": "Contains two expected images (for ubyte-based rendering and half-float-based); one of them should pass depending on platform."
}
},
Expand Down