fix: three.js compatibility from @nianxy

Adamfsk · May 3, 2023 · 0ce2974 · 0ce2974
1 parent b2401e4
commit 0ce2974
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/src/classes/WebGLRenderingContext.js b/src/classes/WebGLRenderingContext.js
@@ -458,7 +458,7 @@ const mockExtensions = {
   ANGLE_instanced_arrays: null,
   OES_texture_float_linear: null,
   OES_texture_half_float_linear: null,
-  EXT_blend_minmax: null,
+  EXT_blend_minmax: {},
   EXT_shader_texture_lod: null,
   // community
   WEBGL_compressed_texture_atc: null,
@@ -470,7 +470,10 @@ const mockExtensions = {
 };
 
 const mockParams = {
-  34930: 16, // MAX_TEXTURE_IMAGE_UNITS
+  [mockEnums['MAX_TEXTURE_IMAGE_UNITS']]: 16,
+  [mockEnums['VERSION']]: 'WebGL 2.0 (OpenGL ES 3.0 Chromium)',
+  [mockEnums['SCISSOR_BOX']]: new Int32Array([0, 0, 300, 150]),
+  [mockEnums['VIEWPORT']]: new Int32Array([0, 0, 300, 150]),
 };
 
 export default class WebGLRenderingContext {
@@ -501,4 +504,12 @@ export default class WebGLRenderingContext {
   getContextAttributes() {
     return this._contextAttributes;
   }
+
+  getShaderPrecisionFormat() {
+    return {
+      rangeMin: 127,
+      rangeMax: 127,
+      precision: 23,
+    };
+  }
 }