// https://registry.khronos.org/webgl/specs/latest/2.0/#3.7
interface mixin WebGL2RenderingContextOverloads {
    // WebGL1:
    // FIXME: BufferSource is really a AllowSharedBufferSource
    undefined bufferData(GLenum target, GLsizeiptr size, GLenum usage);
    undefined bufferData(GLenum target, BufferSource? srcData, GLenum usage);
    undefined bufferSubData(GLenum target, GLintptr dstByteOffset, BufferSource srcData);
    // WebGL2:
    undefined bufferData(GLenum target, [AllowShared] ArrayBufferView srcData, GLenum usage, unsigned long long srcOffset, optional GLuint length = 0);
    undefined bufferSubData(GLenum target, GLintptr dstByteOffset, [AllowShared] ArrayBufferView srcData, unsigned long long srcOffset, optional GLuint length = 0);

    // WebGL1 legacy entrypoints:
    undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);

    // May throw DOMException
    undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLenum format, GLenum type, TexImageSource source);

    undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);

    // May throw DOMException
    undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLenum format, GLenum type, TexImageSource source);

    // WebGL2 entrypoints:
    [FIXME] undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, GLintptr pboOffset);

    // May throw DOMException
    undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, TexImageSource source);

    undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, [AllowShared] ArrayBufferView srcData, unsigned long long srcOffset);

    [FIXME] undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, GLintptr pboOffset);

    // May throw DOMException
    undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, TexImageSource source);
    undefined texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, [AllowShared] ArrayBufferView srcData, unsigned long long srcOffset);

    [FIXME] undefined compressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, GLintptr offset);
    undefined compressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, [AllowShared] ArrayBufferView srcData, optional unsigned long long srcOffset = 0, optional GLuint srcLengthOverride = 0);

    [FIXME] undefined compressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, GLintptr offset);
    undefined compressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, [AllowShared] ArrayBufferView srcData, optional unsigned long long srcOffset = 0, optional GLuint srcLengthOverride = 0);

    undefined uniform1fv(WebGLUniformLocation? location, Float32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniform2fv(WebGLUniformLocation? location, Float32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniform3fv(WebGLUniformLocation? location, Float32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniform4fv(WebGLUniformLocation? location, Float32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);

    undefined uniform1iv(WebGLUniformLocation? location, Int32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniform2iv(WebGLUniformLocation? location, Int32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniform3iv(WebGLUniformLocation? location, Int32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniform4iv(WebGLUniformLocation? location, Int32List v, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);

    undefined uniformMatrix2fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniformMatrix3fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);
    undefined uniformMatrix4fv(WebGLUniformLocation? location, GLboolean transpose, Float32List data, optional unsigned long long srcOffset = 0, optional GLuint srcLength = 0);

    // Reading back pixels
    // WebGL1:
    undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);
    // WebGL2:
    undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLintptr offset);
    [FIXME] undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, [AllowShared] ArrayBufferView dstData, unsigned long long dstOffset);
};
