Auto merge of #20525 - servo:webgl2, r=emilio

More WebGL improvements

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bors-servo 2018-04-04 07:19:26 -04:00 committed by GitHub
commit e06f0d32d0
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6 changed files with 128 additions and 114 deletions

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@ -614,3 +614,18 @@ macro_rules! impl_performance_entry_struct(
}
);
);
macro_rules! handle_potential_webgl_error {
($context:expr, $call:expr, $return_on_error:expr) => {
match $call {
Ok(ret) => ret,
Err(error) => {
$context.webgl_error(error);
$return_on_error
}
}
};
($context:expr, $call:expr) => {
handle_potential_webgl_error!($context, $call, ());
};
}

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@ -241,7 +241,7 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
}
/// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
fn BufferSubData(&self, target: u32, offset: i64, data: Option<ArrayBufferViewOrArrayBuffer>) {
fn BufferSubData(&self, target: u32, offset: i64, data: ArrayBufferViewOrArrayBuffer) {
self.base.BufferSubData(target, offset, data)
}

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@ -7,6 +7,7 @@ use canvas_traits::webgl::{WebGLBufferId, WebGLCommand, WebGLError, WebGLMsgSend
use canvas_traits::webgl::webgl_channel;
use dom::bindings::cell::DomRefCell;
use dom::bindings::codegen::Bindings::WebGLBufferBinding;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::root::DomRoot;
use dom::webglobject::WebGLObject;
@ -86,18 +87,25 @@ impl WebGLBuffer {
Ok(())
}
pub fn buffer_data(&self, target: u32, data: &[u8], usage: u32) -> WebGLResult<()> {
pub fn buffer_data<T>(&self, target: u32, data: T, usage: u32) -> WebGLResult<()>
where
T: Into<Vec<u8>>,
{
match usage {
WebGLRenderingContextConstants::STREAM_DRAW |
WebGLRenderingContextConstants::STATIC_DRAW |
WebGLRenderingContextConstants::DYNAMIC_DRAW => (),
_ => return Err(WebGLError::InvalidEnum),
}
if let Some(previous_target) = self.target.get() {
if target != previous_target {
return Err(WebGLError::InvalidOperation);
}
}
let data = data.into();
self.capacity.set(data.len());
self.renderer.send(WebGLCommand::BufferData(
target,
data.to_vec().into(),
usage,
)).unwrap();
self.renderer.send(WebGLCommand::BufferData(target, data.into(), usage)).unwrap();
Ok(())
}

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@ -4,8 +4,9 @@
use byteorder::{NativeEndian, ReadBytesExt, WriteBytesExt};
use canvas_traits::canvas::{byte_swap, multiply_u8_pixel};
use canvas_traits::webgl::{WebGLContextShareMode, WebGLCommand, WebGLError, WebGLVersion, WebGLSLVersion};
use canvas_traits::webgl::{WebGLFramebufferBindingRequest, WebGLMsg, WebGLMsgSender, WebGLParameter, WebVRCommand};
use canvas_traits::webgl::{WebGLCommand, WebGLContextShareMode, WebGLError};
use canvas_traits::webgl::{WebGLFramebufferBindingRequest, WebGLMsg, WebGLMsgSender};
use canvas_traits::webgl::{WebGLParameter, WebGLResult, WebGLSLVersion, WebGLVersion, WebVRCommand};
use canvas_traits::webgl::DOMToTextureCommand;
use canvas_traits::webgl::WebGLError::*;
use canvas_traits::webgl::webgl_channel;
@ -67,21 +68,6 @@ use webrender_api;
type ImagePixelResult = Result<(Vec<u8>, Size2D<i32>, bool), ()>;
pub const MAX_UNIFORM_AND_ATTRIBUTE_LEN: usize = 256;
macro_rules! handle_potential_webgl_error {
($context:ident, $call:expr, $return_on_error:expr) => {
match $call {
Ok(ret) => ret,
Err(error) => {
$context.webgl_error(error);
$return_on_error
}
}
};
($context:ident, $call:expr) => {
handle_potential_webgl_error!($context, $call, ());
};
}
// From the GLES 2.0.25 spec, page 85:
//
// "If a texture that is currently bound to one of the targets
@ -1195,6 +1181,14 @@ impl WebGLRenderingContext {
));
Some(receiver.recv().unwrap().into())
}
pub fn bound_buffer(&self, target: u32) -> WebGLResult<Option<DomRoot<WebGLBuffer>>> {
match target {
constants::ARRAY_BUFFER => Ok(self.bound_buffer_array.get()),
constants::ELEMENT_ARRAY_BUFFER => Ok(self.bound_buffer_element_array.get()),
_ => Err(WebGLError::InvalidEnum),
}
}
}
impl Drop for WebGLRenderingContext {
@ -1256,14 +1250,8 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
target: u32,
parameter: u32,
) -> JSVal {
let buffer = match target {
constants::ARRAY_BUFFER => self.bound_buffer_array.get(),
constants::ELEMENT_ARRAY_BUFFER => self.bound_buffer_element_array.get(),
_ => {
self.webgl_error(InvalidEnum);
return NullValue();
}
};
let buffer = handle_potential_webgl_error!(self, self.bound_buffer(target), return NullValue());
match parameter {
constants::BUFFER_SIZE | constants::BUFFER_USAGE => {},
_ => {
@ -1693,77 +1681,44 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
Err(_) => fallible_array_buffer_view_to_vec(cx, data)?,
};
let bound_buffer = match target {
constants::ARRAY_BUFFER => self.bound_buffer_array.get(),
constants::ELEMENT_ARRAY_BUFFER => self.bound_buffer_element_array.get(),
_ => return Ok(self.webgl_error(InvalidEnum)),
};
let bound_buffer = handle_potential_webgl_error!(self, self.bound_buffer(target), return Ok(()));
let bound_buffer = match bound_buffer {
Some(bound_buffer) => bound_buffer,
None => return Ok(self.webgl_error(InvalidValue)),
None => return Ok(self.webgl_error(InvalidOperation)),
};
match usage {
constants::STREAM_DRAW |
constants::STATIC_DRAW |
constants::DYNAMIC_DRAW => (),
_ => return Ok(self.webgl_error(InvalidEnum)),
}
handle_potential_webgl_error!(self, bound_buffer.buffer_data(target, &data_vec, usage));
handle_potential_webgl_error!(self, bound_buffer.buffer_data(target, data_vec, usage));
Ok(())
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
fn BufferData_(&self, target: u32, size: i64, usage: u32) -> ErrorResult {
let bound_buffer = match target {
constants::ARRAY_BUFFER => self.bound_buffer_array.get(),
constants::ELEMENT_ARRAY_BUFFER => self.bound_buffer_element_array.get(),
_ => return Ok(self.webgl_error(InvalidEnum)),
};
let bound_buffer = handle_potential_webgl_error!(self, self.bound_buffer(target), return Ok(()));
let bound_buffer = match bound_buffer {
Some(bound_buffer) => bound_buffer,
None => return Ok(self.webgl_error(InvalidValue)),
None => return Ok(self.webgl_error(InvalidOperation)),
};
if size < 0 {
return Ok(self.webgl_error(InvalidValue));
}
match usage {
constants::STREAM_DRAW |
constants::STATIC_DRAW |
constants::DYNAMIC_DRAW => (),
_ => return Ok(self.webgl_error(InvalidEnum)),
}
// FIXME: Allocating a buffer based on user-requested size is
// not great, but we don't have a fallible allocation to try.
let data = vec![0u8; size as usize];
handle_potential_webgl_error!(self, bound_buffer.buffer_data(target, &data, usage));
handle_potential_webgl_error!(self, bound_buffer.buffer_data(target, data, usage));
Ok(())
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
fn BufferSubData(&self, target: u32, offset: i64, data: Option<ArrayBufferViewOrArrayBuffer>) {
fn BufferSubData(&self, target: u32, offset: i64, data: ArrayBufferViewOrArrayBuffer) {
let data_vec = match data {
// Typed array is rooted, so we can safely temporarily retrieve its slice
Some(ArrayBufferViewOrArrayBuffer::ArrayBuffer(mut inner)) => inner.to_vec(),
Some(ArrayBufferViewOrArrayBuffer::ArrayBufferView(mut inner)) => inner.to_vec(),
// Spec: If data is null then an INVALID_VALUE error is generated.
None => return self.webgl_error(InvalidValue),
};
let bound_buffer = match target {
constants::ARRAY_BUFFER => self.bound_buffer_array.get(),
constants::ELEMENT_ARRAY_BUFFER => self.bound_buffer_element_array.get(),
_ => return self.webgl_error(InvalidEnum),
ArrayBufferViewOrArrayBuffer::ArrayBuffer(mut inner) => inner.to_vec(),
ArrayBufferViewOrArrayBuffer::ArrayBufferView(mut inner) => inner.to_vec(),
};
let bound_buffer = handle_potential_webgl_error!(self, self.bound_buffer(target), return);
let bound_buffer = match bound_buffer {
Some(bound_buffer) => bound_buffer,
None => return self.webgl_error(InvalidOperation),

View file

@ -179,6 +179,7 @@ interface WebGL2RenderingContextBase
const GLenum FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE = 0x8216;
const GLenum FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE = 0x8217;
const GLenum FRAMEBUFFER_DEFAULT = 0x8218;
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
// const GLenum DEPTH_STENCIL_ATTACHMENT = 0x821A;
// const GLenum DEPTH_STENCIL = 0x84F9;
const GLenum UNSIGNED_INT_24_8 = 0x84FA;
@ -303,9 +304,13 @@ interface WebGL2RenderingContextBase
/* Buffer objects */
// WebGL1:
// void bufferData(GLenum target, GLsizeiptr size, GLenum usage);
// void bufferData(GLenum target, [AllowShared] BufferSource? srcData, GLenum usage);
// void bufferSubData(GLenum target, GLintptr dstByteOffset, [AllowShared] BufferSource srcData);
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
// FIXME(xanewok): https://github.com/servo/servo/issues/20513
[Throws]
void bufferData(GLenum target, object? data, GLenum usage);
[Throws]
void bufferData(GLenum target, GLsizeiptr size, GLenum usage);
void bufferSubData(GLenum target, GLintptr dstByteOffset, /*[AllowShared]*/ BufferSource srcData);
// WebGL2:
// void bufferData(GLenum target, [AllowShared] ArrayBufferView srcData, GLenum usage, GLuint srcOffset,
// optional GLuint length = 0);
@ -342,17 +347,23 @@ interface WebGL2RenderingContextBase
// GLsizei height, GLsizei depth);
// WebGL1 legacy entrypoints:
// void texImage2D(GLenum target, GLint level, GLint internalformat,
// GLsizei width, GLsizei height, GLint border, GLenum format,
// GLenum type, [AllowShared] ArrayBufferView? pixels);
// void texImage2D(GLenum target, GLint level, GLint internalformat,
// GLenum format, GLenum type, TexImageSource source); // May throw DOMException
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
[Throws]
void texImage2D(GLenum target, GLint level, GLenum internalformat,
GLsizei width, GLsizei height, GLint border, GLenum format,
GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
[Throws]
void texImage2D(GLenum target, GLint level, GLenum internalformat,
GLenum format, GLenum type, TexImageSource source); // May throw DOMException
// void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
// GLsizei width, GLsizei height,
// GLenum format, GLenum type, [AllowShared] ArrayBufferView? pixels);
// void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
// GLenum format, GLenum type, TexImageSource source); // May throw DOMException
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
[Throws]
void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
[Throws]
void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLenum format, GLenum type, TexImageSource source); // May throw DOMException
// WebGL2 entrypoints:
// void texImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
@ -498,8 +509,9 @@ interface WebGL2RenderingContextBase
/* Reading back pixels */
// WebGL1:
// void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
// [AllowShared] ArrayBufferView? dstData);
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
/*[AllowShared]*/ ArrayBufferView? dstData);
// WebGL2:
// void readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
// GLintptr offset);

View file

@ -491,12 +491,10 @@ interface WebGLRenderingContextBase
void blendFuncSeparate(GLenum srcRGB, GLenum dstRGB,
GLenum srcAlpha, GLenum dstAlpha);
// FIXME(xanewok): https://github.com/servo/servo/issues/20513
[Throws]
void bufferData(GLenum target, object? data, GLenum usage);
[Throws]
void bufferData(GLenum target, GLsizeiptr size, GLenum usage);
void bufferSubData(GLenum target, GLintptr offset, /*[AllowShared]*/ BufferSource? data);
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
// void bufferData(GLenum target, object? data, GLenum usage);
// void bufferData(GLenum target, GLsizeiptr size, GLenum usage);
// void bufferSubData(GLenum target, GLintptr offset, /*[AllowShared]*/ BufferSource data);
[WebGLHandlesContextLoss] GLenum checkFramebufferStatus(GLenum target);
void clear(GLbitfield mask);
@ -604,8 +602,9 @@ interface WebGLRenderingContextBase
void pixelStorei(GLenum pname, GLint param);
void polygonOffset(GLfloat factor, GLfloat units);
void readPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
// void readPixels(GLint x, GLint y, GLsizei width, GLsizei height,
// GLenum format, GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
void renderbufferStorage(GLenum target, GLenum internalformat,
GLsizei width, GLsizei height);
@ -621,14 +620,12 @@ interface WebGLRenderingContextBase
void stencilOp(GLenum fail, GLenum zfail, GLenum zpass);
void stencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass);
// FIXME: https://github.com/servo/servo/issues/20516
[Throws]
void texImage2D(GLenum target, GLint level, GLenum internalformat,
GLsizei width, GLsizei height, GLint border, GLenum format,
GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
[Throws]
void texImage2D(GLenum target, GLint level, GLenum internalformat,
GLenum format, GLenum type, TexImageSource source); // May throw DOMException
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
// void texImage2D(GLenum target, GLint level, GLenum internalformat,
// GLsizei width, GLsizei height, GLint border, GLenum format,
// GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
// void texImage2D(GLenum target, GLint level, GLenum internalformat,
// GLenum format, GLenum type, TexImageSource source); // May throw DOMException
[Throws, Pref="dom.webgl.dom_to_texture.enabled"]
void texImageDOM(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height,
GLenum format, GLenum type, HTMLIFrameElement source); // May throw DOMException
@ -636,14 +633,12 @@ interface WebGLRenderingContextBase
void texParameterf(GLenum target, GLenum pname, GLfloat param);
void texParameteri(GLenum target, GLenum pname, GLint param);
// FIXME: https://github.com/servo/servo/issues/20516
[Throws]
void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
[Throws]
void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLenum format, GLenum type, TexImageSource source); // May throw DOMException
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
// void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
// GLsizei width, GLsizei height,
// GLenum format, GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
// void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
// GLenum format, GLenum type, TexImageSource source); // May throw DOMException
void uniform1f(WebGLUniformLocation? location, GLfloat x);
void uniform2f(WebGLUniformLocation? location, GLfloat x, GLfloat y);
@ -691,5 +686,34 @@ interface WebGLRenderingContextBase
[Exposed=Window]
interface WebGLRenderingContext
{
// BUG: https://github.com/KhronosGroup/WebGL/issues/2216
// FIXME(xanewok): https://github.com/servo/servo/issues/20513
[Throws]
void bufferData(GLenum target, object? data, GLenum usage);
[Throws]
void bufferData(GLenum target, GLsizeiptr size, GLenum usage);
void bufferSubData(GLenum target, GLintptr offset, /*[AllowShared]*/ BufferSource data);
// FIXME: https://github.com/servo/servo/issues/20516
[Throws]
void texImage2D(GLenum target, GLint level, GLenum internalformat,
GLsizei width, GLsizei height, GLint border, GLenum format,
GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
[Throws]
void texImage2D(GLenum target, GLint level, GLenum internalformat,
GLenum format, GLenum type, TexImageSource source); // May throw DOMException
// FIXME: https://github.com/servo/servo/issues/20516
[Throws]
void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
[Throws]
void texSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLenum format, GLenum type, TexImageSource source); // May throw DOMException
void readPixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, /*[AllowShared]*/ ArrayBufferView? pixels);
};
WebGLRenderingContext implements WebGLRenderingContextBase;