#import <WebGL/Types.idl>

typedef (ImageBitmap or
         ImageData or
         HTMLImageElement or
         HTMLCanvasElement or
         HTMLVideoElement
         // FIXME: OffscreenCanvas or
         // FIXME: VideoFrame
         ) TexImageSource;

// FIXME: BufferSource should be a Int32Array
typedef (BufferSource or sequence<GLint>) Int32List;

// https://registry.khronos.org/webgl/specs/latest/1.0/#5.14
interface mixin WebGLRenderingContextOverloads {
    undefined bufferData(GLenum target, GLsizeiptr size, GLenum usage);
    // FIXME: BufferSource is really a AllowSharedBufferSource
    undefined bufferData(GLenum target, BufferSource? data, GLenum usage);
    undefined bufferSubData(GLenum target, GLintptr offset, BufferSource data);

    [FIXME] undefined compressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, [AllowShared] ArrayBufferView data);
    [FIXME] undefined compressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, [AllowShared] ArrayBufferView data);

    undefined readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);

    undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);
    undefined texImage2D(GLenum target, GLint level, GLint internalformat, GLenum format, GLenum type, TexImageSource source); // May throw DOMException

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

    undefined uniform1fv(WebGLUniformLocation? location, Float32List v);
    undefined uniform2fv(WebGLUniformLocation? location, Float32List v);
    undefined uniform3fv(WebGLUniformLocation? location, Float32List v);
    undefined uniform4fv(WebGLUniformLocation? location, Float32List v);

    undefined uniform1iv(WebGLUniformLocation? location, Int32List v);
    undefined uniform2iv(WebGLUniformLocation? location, Int32List v);
    undefined uniform3iv(WebGLUniformLocation? location, Int32List v);
    undefined uniform4iv(WebGLUniformLocation? location, Int32List v);

    // FIXME: Float32Array should be a Float32List
    undefined uniformMatrix2fv(WebGLUniformLocation? location, GLboolean transpose, Float32List value);
    undefined uniformMatrix3fv(WebGLUniformLocation? location, GLboolean transpose, Float32List value);
    undefined uniformMatrix4fv(WebGLUniformLocation? location, GLboolean transpose, Float32List value);
};