WebGLRenderer: Enable subframe upload in copyTextureToTexture, align API to 3d version

examples-testing/changes.patch

@@ -1952,7 +1952,7 @@ index 977dbadb..fb1460ca 100644
      material.uniforms['u_renderthreshold'].value = volconfig.isothreshold; // For ISO renderstyle
      material.uniforms['u_cmdata'].value = cmtextures[volconfig.colormap];
 diff --git a/examples-testing/examples/webgl2_materials_texture3d_partialupdate.ts b/examples-testing/examples/webgl2_materials_texture3d_partialupdate.ts
-index fc2fc783..cd17b027 100644
+index 1ad6d264..10b32582 100644
 --- a/examples-testing/examples/webgl2_materials_texture3d_partialupdate.ts
 +++ b/examples-testing/examples/webgl2_materials_texture3d_partialupdate.ts
 @@ -6,14 +6,14 @@ import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
@@ -1987,8 +1987,8 @@ index fc2fc783..cd17b027 100644
          const scaleFactor = (Math.random() + 0.5) * 0.5;
          const source = generateCloudTexture(perElementPaddedSize, scaleFactor);
 
--        renderer.copyTextureToTexture3D(box, position, source, cloudTexture);
-+        renderer.copyTextureToTexture3D(box, position, source, cloudTexture!);
+-        renderer.copyTextureToTexture3D(source, cloudTexture, box, position);
++        renderer.copyTextureToTexture3D(source, cloudTexture!, box, position);
 
          prevTime = time;
 
@@ -5901,7 +5901,7 @@ index adfcfddf..d26cee37 100644
          INTERSECTED = null;
      }
 diff --git a/examples-testing/examples/webgl_interactive_cubes_gpu.ts b/examples-testing/examples/webgl_interactive_cubes_gpu.ts
-index 313b023a..7e77fbc5 100644
+index 2644469c..d48fa232 100644
 --- a/examples-testing/examples/webgl_interactive_cubes_gpu.ts
 +++ b/examples-testing/examples/webgl_interactive_cubes_gpu.ts
 @@ -5,12 +5,12 @@ import Stats from 'three/addons/libs/stats.module.js';
@@ -9104,7 +9104,7 @@ index 24bd4eb9..5d5e77b6 100644
      mouseY = event.clientY - windowHalfY;
  }
 diff --git a/examples-testing/examples/webgl_materials_texture_partialupdate.ts b/examples-testing/examples/webgl_materials_texture_partialupdate.ts
-index 04844817..2f734b77 100644
+index 5adfc8e6..55d802e3 100644
 --- a/examples-testing/examples/webgl_materials_texture_partialupdate.ts
 +++ b/examples-testing/examples/webgl_materials_texture_partialupdate.ts
 @@ -1,6 +1,11 @@

types/three/src/renderers/WebGLRenderer.d.ts

@@ -4,6 +4,7 @@ import { TypedArray } from "../core/BufferAttribute.js";
 import { BufferGeometry } from "../core/BufferGeometry.js";
 import { Object3D } from "../core/Object3D.js";
 import { Material } from "../materials/Material.js";
+import { Box2 } from "../math/Box2.js";
 import { Box3 } from "../math/Box3.js";
 import { Color, ColorRepresentation } from "../math/Color.js";
 import { Plane } from "../math/Plane.js";
@@ -447,28 +448,38 @@ export class WebGLRenderer implements Renderer {
     copyFramebufferToTexture(position: Vector2, texture: Texture, level?: number): void;
 
     /**
-     * Copies srcTexture to the specified level of dstTexture, offset by the input position.
+     * Copies the pixels of a texture in the bounds `srcRegion` in the destination texture starting from the given
+     * position.
      *
-     * @param position Specifies the pixel offset into the dstTexture where the copy will occur.
      * @param srcTexture Specifies the source texture.
      * @param dstTexture Specifies the destination texture.
+     * @param srcRegion Specifies the bounds
+     * @param dstPosition Specifies the pixel offset into the dstTexture where the copy will occur.
      * @param level Specifies the destination mipmap level of the texture.
      */
-    copyTextureToTexture(position: Vector2, srcTexture: Texture, dstTexture: Texture, level?: number): void;
+    copyTextureToTexture(
+        srcTexture: Texture,
+        dstTexture: Texture,
+        srcRegion?: Box2 | null,
+        dstPosition?: Vector2 | null,
+        level?: number,
+    ): void;
 
     /**
-     * Copies the pixels of a texture in the bounds sourceBox in the desination texture starting from the given position.
-     * @param sourceBox Specifies the bounds
-     * @param position Specifies the pixel offset into the dstTexture where the copy will occur.
+     * Copies the pixels of a texture in the bounds `srcRegion` in the destination texture starting from the given
+     * position.
+     *
      * @param srcTexture Specifies the source texture.
      * @param dstTexture Specifies the destination texture.
+     * @param srcRegion Specifies the bounds
+     * @param dstPosition Specifies the pixel offset into the dstTexture where the copy will occur.
      * @param level Specifies the destination mipmap level of the texture.
      */
     copyTextureToTexture3D(
-        sourceBox: Box3,
-        position: Vector3,
         srcTexture: Texture,
         dstTexture: Data3DTexture | DataArrayTexture,
+        srcRegion?: Box3 | null,
+        dstPosition?: Vector3 | null,
         level?: number,
     ): void;