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Implement gl.getParameter(gl.VIEWPORT)

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This commit is contained in:
Anthony Ramine 2018-03-22 18:03:16 +01:00
parent cb6fa6e6b0
commit e34b19c42c
5 changed files with 120 additions and 27 deletions
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11
components/canvas/webgl_thread.rs
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@ -860,8 +860,12 @@ impl WebGLImpl {
ctx.gl().vertex_attrib_pointer_f32(attrib_id, size, normalized, stride, offset),
WebGLCommand::VertexAttribPointer(attrib_id, size, data_type, normalized, stride, offset) =>
ctx.gl().vertex_attrib_pointer(attrib_id, size, data_type, normalized, stride, offset),
WebGLCommand::Viewport(x, y, width, height) =>
ctx.gl().viewport(x, y, width, height),
WebGLCommand::GetViewport(sender) => {
sender.send(ctx.gl().get_viewport()).unwrap();
}
WebGLCommand::SetViewport(x, y, width, height) => {
ctx.gl().viewport(x, y, width, height);
}
WebGLCommand::TexImage2D(target, level, internal, width, height, format, data_type, data) =>
ctx.gl().tex_image_2d(target, level, internal, width, height,
/*border*/0, format, data_type, Some(&data)),
@ -1055,8 +1059,7 @@ impl WebGLImpl {
// Int32Array
gl::MAX_VIEWPORT_DIMS |
gl::SCISSOR_BOX |
gl::VIEWPORT => Err(WebGLError::InvalidEnum),
gl::SCISSOR_BOX => Err(WebGLError::InvalidEnum),
// Invalid parameters
_ => Err(WebGLError::InvalidEnum)