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-rw-r--r--components/canvas/webgl_thread.rs9
-rw-r--r--components/canvas_traits/webgl.rs3
-rw-r--r--components/script/dom/webgl2renderingcontext.rs28
-rw-r--r--components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs92
-rw-r--r--components/script/dom/webgl_extensions/ext/mod.rs1
-rw-r--r--components/script/dom/webgl_extensions/extensions.rs31
-rw-r--r--components/script/dom/webglrenderingcontext.rs186
-rw-r--r--components/script/dom/webidls/ANGLEInstancedArrays.webidl15
-rw-r--r--components/script/dom/webidls/WebGL2RenderingContext.webidl6
-rw-r--r--tests/wpt/mozilla/meta/webgl/conformance-1.0.3/conformance/extensions/angle-instanced-arrays-out-of-bounds.html.ini26
-rw-r--r--tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/context/methods-2.html.ini107
-rw-r--r--tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/rendering/instanced-arrays.html.ini53
12 files changed, 432 insertions, 125 deletions
diff --git a/components/canvas/webgl_thread.rs b/components/canvas/webgl_thread.rs
index f39d9745a91..a90c996f8bb 100644
--- a/components/canvas/webgl_thread.rs
+++ b/components/canvas/webgl_thread.rs
@@ -973,6 +973,15 @@ impl WebGLImpl {
WebGLCommand::UseProgram(program_id) => {
ctx.gl().use_program(program_id.map_or(0, |p| p.get()))
}
+ WebGLCommand::DrawArraysInstanced { mode, first, count, primcount } => {
+ ctx.gl().draw_arrays_instanced(mode, first, count, primcount)
+ }
+ WebGLCommand::DrawElementsInstanced { mode, count, type_, offset, primcount } => {
+ ctx.gl().draw_elements_instanced(mode, count, type_, offset, primcount)
+ }
+ WebGLCommand::VertexAttribDivisor { index, divisor } => {
+ ctx.gl().vertex_attrib_divisor(index, divisor)
+ }
}
// TODO: update test expectations in order to enable debug assertions
diff --git a/components/canvas_traits/webgl.rs b/components/canvas_traits/webgl.rs
index 041e175c2b7..793f687698b 100644
--- a/components/canvas_traits/webgl.rs
+++ b/components/canvas_traits/webgl.rs
@@ -282,6 +282,9 @@ pub enum WebGLCommand {
GetTexParameterInt(u32, TexParameterInt, WebGLSender<i32>),
TexParameteri(u32, TexParameterInt, i32),
TexParameterf(u32, TexParameterFloat, f32),
+ DrawArraysInstanced { mode: u32, first: i32, count: i32, primcount: i32 },
+ DrawElementsInstanced { mode: u32, count: i32, type_: u32, offset: u32, primcount: i32 },
+ VertexAttribDivisor { index: u32, divisor: u32 },
}
macro_rules! define_resource_id_struct {
diff --git a/components/script/dom/webgl2renderingcontext.rs b/components/script/dom/webgl2renderingcontext.rs
index c06a07a9e3e..deb82e9ced2 100644
--- a/components/script/dom/webgl2renderingcontext.rs
+++ b/components/script/dom/webgl2renderingcontext.rs
@@ -937,6 +937,34 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
) -> Option<Vec<DomRoot<WebGLShader>>> {
self.base.GetAttachedShaders(program)
}
+
+ /// https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.9
+ fn DrawArraysInstanced(
+ &self,
+ mode: u32,
+ first: i32,
+ count: i32,
+ primcount: i32,
+ ) {
+ self.base.draw_arrays_instanced(mode, first, count, primcount);
+ }
+
+ /// https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.9
+ fn DrawElementsInstanced(
+ &self,
+ mode: u32,
+ count: i32,
+ type_: u32,
+ offset: i64,
+ primcount: i32,
+ ) {
+ self.base.draw_elements_instanced(mode, count, type_, offset, primcount);
+ }
+
+ /// https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.9
+ fn VertexAttribDivisor(&self, index: u32, divisor: u32) {
+ self.base.vertex_attrib_divisor(index, divisor);
+ }
}
diff --git a/components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs b/components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs
new file mode 100644
index 00000000000..f35abaf15af
--- /dev/null
+++ b/components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs
@@ -0,0 +1,92 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use canvas_traits::webgl::WebGLVersion;
+use dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding;
+use dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding::ANGLEInstancedArraysConstants;
+use dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding::ANGLEInstancedArraysMethods;
+use dom::bindings::reflector::{DomObject, Reflector, reflect_dom_object};
+use dom::bindings::root::{Dom, DomRoot};
+use dom::webglrenderingcontext::WebGLRenderingContext;
+use dom_struct::dom_struct;
+use super::{WebGLExtension, WebGLExtensions, WebGLExtensionSpec};
+
+#[dom_struct]
+pub struct ANGLEInstancedArrays {
+ reflector_: Reflector,
+ ctx: Dom<WebGLRenderingContext>,
+}
+
+impl ANGLEInstancedArrays {
+ fn new_inherited(ctx: &WebGLRenderingContext) -> Self {
+ Self {
+ reflector_: Reflector::new(),
+ ctx: Dom::from_ref(ctx),
+ }
+ }
+}
+
+impl WebGLExtension for ANGLEInstancedArrays {
+ type Extension = Self;
+
+ fn new(ctx: &WebGLRenderingContext) -> DomRoot<Self> {
+ reflect_dom_object(
+ Box::new(ANGLEInstancedArrays::new_inherited(ctx)),
+ &*ctx.global(),
+ ANGLEInstancedArraysBinding::Wrap,
+ )
+ }
+
+ fn spec() -> WebGLExtensionSpec {
+ WebGLExtensionSpec::Specific(WebGLVersion::WebGL1)
+ }
+
+ fn is_supported(ext: &WebGLExtensions) -> bool {
+ ext.supports_any_gl_extension(&[
+ "GL_ANGLE_instanced_arrays",
+ "GL_ARB_instanced_arrays",
+ "GL_EXT_instanced_arrays",
+ "GL_NV_instanced_arrays",
+ ])
+ }
+
+ fn enable(ext: &WebGLExtensions) {
+ ext.enable_get_vertex_attrib_name(
+ ANGLEInstancedArraysConstants::VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE,
+ );
+ }
+
+ fn name() -> &'static str {
+ "ANGLE_instanced_arrays"
+ }
+}
+
+impl ANGLEInstancedArraysMethods for ANGLEInstancedArrays {
+ // https://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
+ fn DrawArraysInstancedANGLE(
+ &self,
+ mode: u32,
+ first: i32,
+ count: i32,
+ primcount: i32,
+ ) {
+ self.ctx.draw_arrays_instanced(mode, first, count, primcount);
+ }
+
+ // https://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
+ fn DrawElementsInstancedANGLE(
+ &self,
+ mode: u32,
+ count: i32,
+ type_: u32,
+ offset: i64,
+ primcount: i32,
+ ) {
+ self.ctx.draw_elements_instanced(mode, count, type_, offset, primcount);
+ }
+
+ fn VertexAttribDivisorANGLE(&self, index: u32, divisor: u32) {
+ self.ctx.vertex_attrib_divisor(index, divisor);
+ }
+}
diff --git a/components/script/dom/webgl_extensions/ext/mod.rs b/components/script/dom/webgl_extensions/ext/mod.rs
index bdf19d5327a..62f75cb048a 100644
--- a/components/script/dom/webgl_extensions/ext/mod.rs
+++ b/components/script/dom/webgl_extensions/ext/mod.rs
@@ -5,6 +5,7 @@
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
use super::{ext_constants, WebGLExtension, WebGLExtensions, WebGLExtensionSpec};
+pub mod angleinstancedarrays;
pub mod extblendminmax;
pub mod extshadertexturelod;
pub mod exttexturefilteranisotropic;
diff --git a/components/script/dom/webgl_extensions/extensions.rs b/components/script/dom/webgl_extensions/extensions.rs
index c5413ea1eb2..b3812f51cf5 100644
--- a/components/script/dom/webgl_extensions/extensions.rs
+++ b/components/script/dom/webgl_extensions/extensions.rs
@@ -4,6 +4,7 @@
use canvas_traits::webgl::{WebGLError, WebGLVersion};
use dom::bindings::cell::DomRefCell;
+use dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding::ANGLEInstancedArraysConstants;
use dom::bindings::codegen::Bindings::EXTTextureFilterAnisotropicBinding::EXTTextureFilterAnisotropicConstants;
use dom::bindings::codegen::Bindings::OESStandardDerivativesBinding::OESStandardDerivativesConstants;
use dom::bindings::codegen::Bindings::OESTextureHalfFloatBinding::OESTextureHalfFloatConstants;
@@ -54,6 +55,13 @@ const DEFAULT_DISABLED_GET_TEX_PARAMETER_NAMES_WEBGL1: [GLenum; 1] = [
EXTTextureFilterAnisotropicConstants::TEXTURE_MAX_ANISOTROPY_EXT,
];
+// Param names that are implemented for glGetVertexAttrib in a WebGL 1.0 context
+// but must trigger a InvalidEnum error until the related WebGL Extensions are enabled.
+// Example: https://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
+const DEFAULT_DISABLED_GET_VERTEX_ATTRIB_NAMES_WEBGL1: [GLenum; 1] = [
+ ANGLEInstancedArraysConstants::VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE,
+];
+
/// WebGL features that are enabled/disabled by WebGL Extensions.
#[derive(JSTraceable, MallocSizeOf)]
struct WebGLExtensionFeatures {
@@ -68,6 +76,8 @@ struct WebGLExtensionFeatures {
disabled_get_parameter_names: FnvHashSet<GLenum>,
/// WebGL GetTexParameter() names enabled by extensions.
disabled_get_tex_parameter_names: FnvHashSet<GLenum>,
+ /// WebGL GetAttribVertex() names enabled by extensions.
+ disabled_get_vertex_attrib_names: FnvHashSet<GLenum>,
/// WebGL OES_element_index_uint extension.
element_index_uint_enabled: bool,
/// WebGL EXT_blend_minmax extension.
@@ -80,6 +90,7 @@ impl WebGLExtensionFeatures {
disabled_tex_types,
disabled_get_parameter_names,
disabled_get_tex_parameter_names,
+ disabled_get_vertex_attrib_names,
element_index_uint_enabled,
blend_minmax_enabled,
) = match webgl_version {
@@ -88,12 +99,20 @@ impl WebGLExtensionFeatures {
DEFAULT_DISABLED_TEX_TYPES_WEBGL1.iter().cloned().collect(),
DEFAULT_DISABLED_GET_PARAMETER_NAMES_WEBGL1.iter().cloned().collect(),
DEFAULT_DISABLED_GET_TEX_PARAMETER_NAMES_WEBGL1.iter().cloned().collect(),
+ DEFAULT_DISABLED_GET_VERTEX_ATTRIB_NAMES_WEBGL1.iter().cloned().collect(),
false,
false,
)
},
WebGLVersion::WebGL2 => {
- (Default::default(), Default::default(), Default::default(), true, true)
+ (
+ Default::default(),
+ Default::default(),
+ Default::default(),
+ Default::default(),
+ true,
+ true,
+ )
}
};
Self {
@@ -105,6 +124,7 @@ impl WebGLExtensionFeatures {
hint_targets: Default::default(),
disabled_get_parameter_names,
disabled_get_tex_parameter_names,
+ disabled_get_vertex_attrib_names,
element_index_uint_enabled,
blend_minmax_enabled,
}
@@ -269,7 +289,16 @@ impl WebGLExtensions {
!self.features.borrow().disabled_get_tex_parameter_names.contains(&name)
}
+ pub fn enable_get_vertex_attrib_name(&self, name: GLenum) {
+ self.features.borrow_mut().disabled_get_vertex_attrib_names.remove(&name);
+ }
+
+ pub fn is_get_vertex_attrib_name_enabled(&self, name: GLenum) -> bool {
+ !self.features.borrow().disabled_get_vertex_attrib_names.contains(&name)
+ }
+
fn register_all_extensions(&self) {
+ self.register::<ext::angleinstancedarrays::ANGLEInstancedArrays>();
self.register::<ext::extblendminmax::EXTBlendMinmax>();
self.register::<ext::extshadertexturelod::EXTShaderTextureLod>();
self.register::<ext::exttexturefilteranisotropic::EXTTextureFilterAnisotropic>();
diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs
index be2001ad142..3988c93646f 100644
--- a/components/script/dom/webglrenderingcontext.rs
+++ b/components/script/dom/webglrenderingcontext.rs
@@ -12,6 +12,7 @@ use canvas_traits::webgl::{WebGLResult, WebGLSLVersion, WebGLVersion};
use canvas_traits::webgl::{WebVRCommand, webgl_channel};
use canvas_traits::webgl::WebGLError::*;
use dom::bindings::cell::DomRefCell;
+use dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding::ANGLEInstancedArraysConstants;
use dom::bindings::codegen::Bindings::EXTBlendMinmaxBinding::EXTBlendMinmaxConstants;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::{self, WebGLContextAttributes};
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
@@ -251,7 +252,7 @@ impl WebGLRenderingContext {
current_vertex_attrib_0: Cell::new((0f32, 0f32, 0f32, 1f32)),
current_scissor: Cell::new((0, 0, size.width, size.height)),
current_clear_color: Cell::new((0.0, 0.0, 0.0, 0.0)),
- extension_manager: WebGLExtensions::new(webgl_version)
+ extension_manager: WebGLExtensions::new(webgl_version),
}
})
}
@@ -1156,6 +1157,142 @@ impl WebGLRenderingContext {
}
}
+ // https://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
+ pub fn draw_arrays_instanced(
+ &self,
+ mode: u32,
+ first: i32,
+ count: i32,
+ primcount: i32,
+ ) {
+ match mode {
+ constants::POINTS | constants::LINE_STRIP |
+ constants::LINE_LOOP | constants::LINES |
+ constants::TRIANGLE_STRIP | constants::TRIANGLE_FAN |
+ constants::TRIANGLES => {},
+ _ => {
+ return self.webgl_error(InvalidEnum);
+ }
+ }
+ if first < 0 || count < 0 || primcount < 0 {
+ return self.webgl_error(InvalidValue);
+ }
+
+ let current_program = handle_potential_webgl_error!(
+ self,
+ self.current_program.get().ok_or(InvalidOperation),
+ return
+ );
+
+ let required_len = if count > 0 {
+ handle_potential_webgl_error!(
+ self,
+ first.checked_add(count).map(|len| len as u32).ok_or(InvalidOperation),
+ return
+ )
+ } else {
+ 0
+ };
+
+ handle_potential_webgl_error!(
+ self,
+ self.vertex_attribs.validate_for_draw(required_len, primcount as u32, &current_program.active_attribs()),
+ return
+ );
+
+ if !self.validate_framebuffer_complete() {
+ return;
+ }
+
+ self.send_command(
+ WebGLCommand::DrawArraysInstanced { mode, first, count, primcount },
+ );
+ self.mark_as_dirty();
+ }
+
+ // https://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
+ pub fn draw_elements_instanced(
+ &self,
+ mode: u32,
+ count: i32,
+ type_: u32,
+ offset: i64,
+ primcount: i32,
+ ) {
+ match mode {
+ constants::POINTS | constants::LINE_STRIP |
+ constants::LINE_LOOP | constants::LINES |
+ constants::TRIANGLE_STRIP | constants::TRIANGLE_FAN |
+ constants::TRIANGLES => {},
+ _ => {
+ return self.webgl_error(InvalidEnum);
+ }
+ }
+ if count < 0 || offset < 0 || primcount < 0 {
+ return self.webgl_error(InvalidValue);
+ }
+ let type_size = match type_ {
+ constants::UNSIGNED_BYTE => 1,
+ constants::UNSIGNED_SHORT => 2,
+ _ => return self.webgl_error(InvalidEnum),
+ };
+ if offset % type_size != 0 {
+ return self.webgl_error(InvalidOperation);
+ }
+
+ let current_program = handle_potential_webgl_error!(
+ self,
+ self.current_program.get().ok_or(InvalidOperation),
+ return
+ );
+
+ if count > 0 && primcount > 0 {
+ if let Some(array_buffer) = self.bound_buffer_element_array.get() {
+ // WebGL Spec: check buffer overflows, must be a valid multiple of the size.
+ let val = offset as u64 + (count as u64 * type_size as u64);
+ if val > array_buffer.capacity() as u64 {
+ return self.webgl_error(InvalidOperation);
+ }
+ } else {
+ // From the WebGL spec
+ //
+ // a non-null WebGLBuffer must be bound to the ELEMENT_ARRAY_BUFFER binding point
+ // or an INVALID_OPERATION error will be generated.
+ //
+ return self.webgl_error(InvalidOperation);
+ }
+ }
+
+ // TODO(nox): Pass the correct number of vertices required.
+ handle_potential_webgl_error!(
+ self,
+ self.vertex_attribs.validate_for_draw(0, primcount as u32, &current_program.active_attribs()),
+ return
+ );
+
+ if !self.validate_framebuffer_complete() {
+ return;
+ }
+
+ self.send_command(WebGLCommand::DrawElementsInstanced {
+ mode,
+ count,
+ type_,
+ offset: offset as u32,
+ primcount,
+ });
+ self.mark_as_dirty();
+ }
+
+ pub fn vertex_attrib_divisor(&self, index: u32, divisor: u32) {
+ if index >= self.limits.max_vertex_attribs {
+ return self.webgl_error(InvalidValue);
+ }
+
+ self.vertex_attribs.set_divisor(index, divisor);
+ self.send_command(WebGLCommand::VertexAttribDivisor { index, divisor });
+ }
+
// Used by HTMLCanvasElement.toDataURL
//
// This emits errors quite liberally, but the spec says that this operation
@@ -2248,7 +2385,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
handle_potential_webgl_error!(
self,
- self.vertex_attribs.validate_for_draw(required_len, &current_program.active_attribs()),
+ self.vertex_attribs.validate_for_draw(required_len, 1, &current_program.active_attribs()),
return
);
@@ -2318,7 +2455,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
// TODO(nox): Pass the correct number of vertices required.
handle_potential_webgl_error!(
self,
- self.vertex_attribs.validate_for_draw(0, &current_program.active_attribs()),
+ self.vertex_attribs.validate_for_draw(0, 1, &current_program.active_attribs()),
return
);
@@ -2661,6 +2798,11 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
return ObjectValue(result.get());
}
+ if !self.extension_manager.is_get_vertex_attrib_name_enabled(param) {
+ self.webgl_error(WebGLError::InvalidEnum);
+ return NullValue();
+ }
+
match param {
constants::VERTEX_ATTRIB_ARRAY_ENABLED => BooleanValue(data.enabled_as_array),
constants::VERTEX_ATTRIB_ARRAY_SIZE => Int32Value(data.size as i32),
@@ -2676,6 +2818,9 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
}
jsval.get()
}
+ ANGLEInstancedArraysConstants::VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE => {
+ Int32Value(data.divisor as i32)
+ }
_ => {
self.webgl_error(InvalidEnum);
NullValue()
@@ -3903,6 +4048,7 @@ impl VertexAttribs {
stride: stride as u8,
offset: offset as u32,
buffer: Some(Dom::from_ref(buffer)),
+ divisor: data.divisor,
};
Ok(())
}
@@ -3927,33 +4073,51 @@ impl VertexAttribs {
self.attribs.borrow_mut()[index as usize].enabled_as_array = value;
}
+ fn set_divisor(&self, index: u32, value: u32) {
+ self.attribs.borrow_mut()[index as usize].divisor = value;
+ }
+
fn validate_for_draw(
&self,
required_len: u32,
+ instance_count: u32,
active_attribs: &[ActiveAttribInfo],
) -> WebGLResult<()> {
+ // TODO(nox): Cache limits per VAO.
let attribs = self.attribs.borrow();
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#6.2
if attribs.iter().any(|data| data.enabled_as_array && data.buffer.is_none()) {
return Err(InvalidOperation);
}
- if required_len == 0 {
- return Ok(());
- }
- // TODO(nox): Cache that per VAO.
- // https://www.khronos.org/registry/webgl/specs/latest/1.0/#6.6
+ let mut has_active_attrib = false;
+ let mut has_divisor_0 = false;
for active_info in active_attribs {
if active_info.location < 0 {
continue;
}
+ has_active_attrib = true;
let attrib = &attribs[active_info.location as usize];
+ if attrib.divisor == 0 {
+ has_divisor_0 = true;
+ }
if !attrib.enabled_as_array {
continue;
}
- if attrib.max_vertices() < required_len {
- return Err(InvalidOperation);
+ // https://www.khronos.org/registry/webgl/specs/latest/1.0/#6.6
+ if required_len > 0 && instance_count > 0 {
+ let max_vertices = attrib.max_vertices();
+ if attrib.divisor == 0 {
+ if max_vertices < required_len {
+ return Err(InvalidOperation);
+ }
+ } else if max_vertices.checked_mul(attrib.divisor).map_or(false, |v| v < instance_count) {
+ return Err(InvalidOperation);
+ }
}
}
+ if has_active_attrib && !has_divisor_0 {
+ return Err(InvalidOperation);
+ }
Ok(())
}
}
@@ -3969,6 +4133,7 @@ pub struct VertexAttribData {
stride: u8,
offset: u32,
buffer: Option<Dom<WebGLBuffer>>,
+ divisor: u32,
}
impl Default for VertexAttribData {
@@ -3983,6 +4148,7 @@ impl Default for VertexAttribData {
stride: 0,
offset: 0,
buffer: None,
+ divisor: 0,
}
}
}
diff --git a/components/script/dom/webidls/ANGLEInstancedArrays.webidl b/components/script/dom/webidls/ANGLEInstancedArrays.webidl
new file mode 100644
index 00000000000..a4ae955826a
--- /dev/null
+++ b/components/script/dom/webidls/ANGLEInstancedArrays.webidl
@@ -0,0 +1,15 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * WebGL IDL definitions from the Khronos specification:
+ * https://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
+ */
+
+[NoInterfaceObject]
+interface ANGLEInstancedArrays {
+ const GLenum VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE = 0x88FE;
+ void drawArraysInstancedANGLE(GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+ void drawElementsInstancedANGLE(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei primcount);
+ void vertexAttribDivisorANGLE(GLuint index, GLuint divisor);
+};
diff --git a/components/script/dom/webidls/WebGL2RenderingContext.webidl b/components/script/dom/webidls/WebGL2RenderingContext.webidl
index 76b04e277ea..b14711d107e 100644
--- a/components/script/dom/webidls/WebGL2RenderingContext.webidl
+++ b/components/script/dom/webidls/WebGL2RenderingContext.webidl
@@ -502,9 +502,9 @@ interface WebGL2RenderingContextBase
// void vertexAttribIPointer(GLuint index, GLint size, GLenum type, GLsizei stride, GLintptr offset);
/* Writing to the drawing buffer */
- // void vertexAttribDivisor(GLuint index, GLuint divisor);
- // void drawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount);
- // void drawElementsInstanced(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei instanceCount);
+ void vertexAttribDivisor(GLuint index, GLuint divisor);
+ void drawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount);
+ void drawElementsInstanced(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei instanceCount);
// void drawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, GLintptr offset);
/* Reading back pixels */
diff --git a/tests/wpt/mozilla/meta/webgl/conformance-1.0.3/conformance/extensions/angle-instanced-arrays-out-of-bounds.html.ini b/tests/wpt/mozilla/meta/webgl/conformance-1.0.3/conformance/extensions/angle-instanced-arrays-out-of-bounds.html.ini
new file mode 100644
index 00000000000..a9d5d9cf2d9
--- /dev/null
+++ b/tests/wpt/mozilla/meta/webgl/conformance-1.0.3/conformance/extensions/angle-instanced-arrays-out-of-bounds.html.ini
@@ -0,0 +1,26 @@
+[angle-instanced-arrays-out-of-bounds.html]
+ bug: https://github.com/servo/servo/issues/20599
+ [WebGL test #175: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 1)]
+ expected: FAIL
+
+ [WebGL test #178: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 1)]
+ expected: FAIL
+
+ [WebGL test #180: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 2)]
+ expected: FAIL
+
+ [WebGL test #182: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 4)]
+ expected: FAIL
+
+ [WebGL test #183: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 10000)]
+ expected: FAIL
+
+ [WebGL test #184: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 0x7fffffff)]
+ expected: FAIL
+
+ [WebGL test #186: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 3)]
+ expected: FAIL
+
+ [WebGL test #188: getError expected: INVALID_OPERATION. Was NO_ERROR : after evaluating: ext.drawElementsInstancedANGLE(gl.TRIANGLES, 9, gl.UNSIGNED_BYTE, 0, 5)]
+ expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/context/methods-2.html.ini b/tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/context/methods-2.html.ini
index 7ab92b0f2e8..6eedd053fe6 100644
--- a/tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/context/methods-2.html.ini
+++ b/tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/context/methods-2.html.ini
@@ -113,159 +113,150 @@
[WebGL test #37: Property either does not exist or is not a function: vertexAttribIPointer]
expected: FAIL
- [WebGL test #38: Property either does not exist or is not a function: vertexAttribDivisor]
+ [WebGL test #38: Property either does not exist or is not a function: drawRangeElements]
expected: FAIL
- [WebGL test #39: Property either does not exist or is not a function: drawArraysInstanced]
+ [WebGL test #39: Property either does not exist or is not a function: drawBuffers]
expected: FAIL
- [WebGL test #40: Property either does not exist or is not a function: drawElementsInstanced]
+ [WebGL test #40: Property either does not exist or is not a function: clearBufferiv]
expected: FAIL
- [WebGL test #41: Property either does not exist or is not a function: drawRangeElements]
+ [WebGL test #41: Property either does not exist or is not a function: clearBufferuiv]
expected: FAIL
- [WebGL test #42: Property either does not exist or is not a function: drawBuffers]
+ [WebGL test #42: Property either does not exist or is not a function: clearBufferfv]
expected: FAIL
- [WebGL test #43: Property either does not exist or is not a function: clearBufferiv]
+ [WebGL test #43: Property either does not exist or is not a function: clearBufferfi]
expected: FAIL
- [WebGL test #44: Property either does not exist or is not a function: clearBufferuiv]
+ [WebGL test #44: Property either does not exist or is not a function: createQuery]
expected: FAIL
- [WebGL test #45: Property either does not exist or is not a function: clearBufferfv]
+ [WebGL test #45: Property either does not exist or is not a function: deleteQuery]
expected: FAIL
- [WebGL test #46: Property either does not exist or is not a function: clearBufferfi]
+ [WebGL test #46: Property either does not exist or is not a function: isQuery]
expected: FAIL
- [WebGL test #47: Property either does not exist or is not a function: createQuery]
+ [WebGL test #47: Property either does not exist or is not a function: beginQuery]
expected: FAIL
- [WebGL test #48: Property either does not exist or is not a function: deleteQuery]
+ [WebGL test #48: Property either does not exist or is not a function: endQuery]
expected: FAIL
- [WebGL test #49: Property either does not exist or is not a function: isQuery]
+ [WebGL test #49: Property either does not exist or is not a function: getQuery]
expected: FAIL
- [WebGL test #50: Property either does not exist or is not a function: beginQuery]
+ [WebGL test #50: Property either does not exist or is not a function: getQueryParameter]
expected: FAIL
- [WebGL test #51: Property either does not exist or is not a function: endQuery]
+ [WebGL test #51: Property either does not exist or is not a function: createSampler]
expected: FAIL
- [WebGL test #52: Property either does not exist or is not a function: getQuery]
+ [WebGL test #52: Property either does not exist or is not a function: deleteSampler]
expected: FAIL
- [WebGL test #53: Property either does not exist or is not a function: getQueryParameter]
+ [WebGL test #53: Property either does not exist or is not a function: isSampler]
expected: FAIL
- [WebGL test #54: Property either does not exist or is not a function: createSampler]
+ [WebGL test #54: Property either does not exist or is not a function: bindSampler]
expected: FAIL
- [WebGL test #55: Property either does not exist or is not a function: deleteSampler]
+ [WebGL test #55: Property either does not exist or is not a function: samplerParameteri]
expected: FAIL
- [WebGL test #56: Property either does not exist or is not a function: isSampler]
+ [WebGL test #56: Property either does not exist or is not a function: samplerParameterf]
expected: FAIL
- [WebGL test #57: Property either does not exist or is not a function: bindSampler]
+ [WebGL test #57: Property either does not exist or is not a function: getSamplerParameter]
expected: FAIL
- [WebGL test #58: Property either does not exist or is not a function: samplerParameteri]
+ [WebGL test #58: Property either does not exist or is not a function: fenceSync]
expected: FAIL
- [WebGL test #59: Property either does not exist or is not a function: samplerParameterf]
+ [WebGL test #59: Property either does not exist or is not a function: isSync]
expected: FAIL
- [WebGL test #60: Property either does not exist or is not a function: getSamplerParameter]
+ [WebGL test #60: Property either does not exist or is not a function: deleteSync]
expected: FAIL
- [WebGL test #61: Property either does not exist or is not a function: fenceSync]
+ [WebGL test #61: Property either does not exist or is not a function: clientWaitSync]
expected: FAIL
- [WebGL test #62: Property either does not exist or is not a function: isSync]
+ [WebGL test #62: Property either does not exist or is not a function: waitSync]
expected: FAIL
- [WebGL test #63: Property either does not exist or is not a function: deleteSync]
+ [WebGL test #63: Property either does not exist or is not a function: getSyncParameter]
expected: FAIL
- [WebGL test #64: Property either does not exist or is not a function: clientWaitSync]
+ [WebGL test #64: Property either does not exist or is not a function: createTransformFeedback]
expected: FAIL
- [WebGL test #65: Property either does not exist or is not a function: waitSync]
+ [WebGL test #65: Property either does not exist or is not a function: deleteTransformFeedback]
expected: FAIL
- [WebGL test #66: Property either does not exist or is not a function: getSyncParameter]
+ [WebGL test #66: Property either does not exist or is not a function: isTransformFeedback]
expected: FAIL
- [WebGL test #67: Property either does not exist or is not a function: createTransformFeedback]
+ [WebGL test #67: Property either does not exist or is not a function: bindTransformFeedback]
expected: FAIL
- [WebGL test #68: Property either does not exist or is not a function: deleteTransformFeedback]
+ [WebGL test #68: Property either does not exist or is not a function: beginTransformFeedback]
expected: FAIL
- [WebGL test #69: Property either does not exist or is not a function: isTransformFeedback]
+ [WebGL test #69: Property either does not exist or is not a function: endTransformFeedback]
expected: FAIL
- [WebGL test #70: Property either does not exist or is not a function: bindTransformFeedback]
+ [WebGL test #70: Property either does not exist or is not a function: transformFeedbackVaryings]
expected: FAIL
- [WebGL test #71: Property either does not exist or is not a function: beginTransformFeedback]
+ [WebGL test #71: Property either does not exist or is not a function: getTransformFeedbackVarying]
expected: FAIL
- [WebGL test #72: Property either does not exist or is not a function: endTransformFeedback]
+ [WebGL test #72: Property either does not exist or is not a function: pauseTransformFeedback]
expected: FAIL
- [WebGL test #73: Property either does not exist or is not a function: transformFeedbackVaryings]
+ [WebGL test #73: Property either does not exist or is not a function: resumeTransformFeedback]
expected: FAIL
- [WebGL test #74: Property either does not exist or is not a function: getTransformFeedbackVarying]
+ [WebGL test #74: Property either does not exist or is not a function: bindBufferBase]
expected: FAIL
- [WebGL test #75: Property either does not exist or is not a function: pauseTransformFeedback]
+ [WebGL test #75: Property either does not exist or is not a function: bindBufferRange]
expected: FAIL
- [WebGL test #76: Property either does not exist or is not a function: resumeTransformFeedback]
+ [WebGL test #76: Property either does not exist or is not a function: getIndexedParameter]
expected: FAIL
- [WebGL test #77: Property either does not exist or is not a function: bindBufferBase]
+ [WebGL test #77: Property either does not exist or is not a function: getUniformIndices]
expected: FAIL
- [WebGL test #78: Property either does not exist or is not a function: bindBufferRange]
+ [WebGL test #78: Property either does not exist or is not a function: getActiveUniforms]
expected: FAIL
- [WebGL test #79: Property either does not exist or is not a function: getIndexedParameter]
+ [WebGL test #79: Property either does not exist or is not a function: getUniformBlockIndex]
expected: FAIL
- [WebGL test #80: Property either does not exist or is not a function: getUniformIndices]
+ [WebGL test #80: Property either does not exist or is not a function: getActiveUniformBlockParameter]
expected: FAIL
- [WebGL test #81: Property either does not exist or is not a function: getActiveUniforms]
+ [WebGL test #81: Property either does not exist or is not a function: getActiveUniformBlockName]
expected: FAIL
- [WebGL test #82: Property either does not exist or is not a function: getUniformBlockIndex]
+ [WebGL test #82: Property either does not exist or is not a function: uniformBlockBinding]
expected: FAIL
- [WebGL test #83: Property either does not exist or is not a function: getActiveUniformBlockParameter]
+ [WebGL test #83: Property either does not exist or is not a function: createVertexArray]
expected: FAIL
- [WebGL test #84: Property either does not exist or is not a function: getActiveUniformBlockName]
+ [WebGL test #84: Property either does not exist or is not a function: deleteVertexArray]
expected: FAIL
- [WebGL test #85: Property either does not exist or is not a function: uniformBlockBinding]
+ [WebGL test #85: Property either does not exist or is not a function: isVertexArray]
expected: FAIL
- [WebGL test #86: Property either does not exist or is not a function: createVertexArray]
- expected: FAIL
-
- [WebGL test #87: Property either does not exist or is not a function: deleteVertexArray]
- expected: FAIL
-
- [WebGL test #88: Property either does not exist or is not a function: isVertexArray]
- expected: FAIL
-
- [WebGL test #89: Property either does not exist or is not a function: bindVertexArray]
+ [WebGL test #86: Property either does not exist or is not a function: bindVertexArray]
expected: FAIL
diff --git a/tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/rendering/instanced-arrays.html.ini b/tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/rendering/instanced-arrays.html.ini
deleted file mode 100644
index 01926549c2e..00000000000
--- a/tests/wpt/mozilla/meta/webgl/conformance-2.0.0/conformance2/rendering/instanced-arrays.html.ini
+++ /dev/null
@@ -1,53 +0,0 @@
-[instanced-arrays.html]
- expected: ERROR
- [WebGL test #2: Default divisor of vertex attribute 0 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #3: Default divisor of vertex attribute 1 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #4: Default divisor of vertex attribute 2 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #5: Default divisor of vertex attribute 3 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #6: Default divisor of vertex attribute 4 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #7: Default divisor of vertex attribute 5 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #8: Default divisor of vertex attribute 6 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #9: Default divisor of vertex attribute 7 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #10: Default divisor of vertex attribute 8 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #11: Default divisor of vertex attribute 9 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #12: Default divisor of vertex attribute 10 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #13: Default divisor of vertex attribute 11 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #14: Default divisor of vertex attribute 12 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #15: Default divisor of vertex attribute 13 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #16: Default divisor of vertex attribute 14 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #17: Default divisor of vertex attribute 15 should be: 0, returned value was: null]
- expected: FAIL
-
- [WebGL test #18: successfullyParsed should be true (of type boolean). Was undefined (of type undefined).]
- expected: FAIL
-