mirror of
https://github.com/servo/servo.git
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Add support for WebGL2 uniform array operations
Adds support for the WebGL2 overloads of `uniform[1234][if]v`.
This commit is contained in:
parent
bc914381a8
commit
0650fc3199
5 changed files with 187 additions and 423 deletions
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@ -1254,6 +1254,74 @@ impl WebGLRenderingContext {
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Ok(())
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}
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fn uniform_vec_section_int(
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&self,
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vec: Int32ArrayOrLongSequence,
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offset: u32,
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length: u32,
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uniform_size: usize,
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uniform_location: &WebGLUniformLocation,
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) -> WebGLResult<Vec<i32>> {
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let vec = match vec {
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Int32ArrayOrLongSequence::Int32Array(v) => v.to_vec(),
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Int32ArrayOrLongSequence::LongSequence(v) => v,
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};
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self.uniform_vec_section::<i32>(vec, offset, length, uniform_size, uniform_location)
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}
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fn uniform_vec_section_float(
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&self,
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vec: Float32ArrayOrUnrestrictedFloatSequence,
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offset: u32,
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length: u32,
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uniform_size: usize,
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uniform_location: &WebGLUniformLocation,
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) -> WebGLResult<Vec<f32>> {
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let vec = match vec {
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Float32ArrayOrUnrestrictedFloatSequence::Float32Array(v) => v.to_vec(),
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Float32ArrayOrUnrestrictedFloatSequence::UnrestrictedFloatSequence(v) => v,
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};
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self.uniform_vec_section::<f32>(vec, offset, length, uniform_size, uniform_location)
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}
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pub fn uniform_vec_section<T: Clone>(
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&self,
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vec: Vec<T>,
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offset: u32,
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length: u32,
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uniform_size: usize,
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uniform_location: &WebGLUniformLocation,
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) -> WebGLResult<Vec<T>> {
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let offset = offset as usize;
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if offset > vec.len() {
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return Err(InvalidValue);
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}
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let length = if length > 0 {
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length as usize
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} else {
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vec.len() - offset
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};
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if offset + length > vec.len() {
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return Err(InvalidValue);
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}
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let vec = if offset == 0 && length == vec.len() {
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vec
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} else {
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vec[offset..offset + length].to_vec()
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};
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if vec.len() < uniform_size || vec.len() % uniform_size != 0 {
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return Err(InvalidValue);
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}
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if uniform_location.size().is_none() && vec.len() != uniform_size {
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return Err(InvalidOperation);
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}
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Ok(vec)
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}
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}
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#[cfg(not(feature = "webgl_backtrace"))]
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@ -3211,7 +3279,13 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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}
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// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
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fn Uniform1iv(&self, location: Option<&WebGLUniformLocation>, val: Int32ArrayOrLongSequence) {
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fn Uniform1iv(
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Int32ArrayOrLongSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL |
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@ -3220,16 +3294,9 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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constants::SAMPLER_CUBE => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Int32ArrayOrLongSequence::Int32Array(v) => v.to_vec(),
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Int32ArrayOrLongSequence::LongSequence(v) => v,
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};
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if val.is_empty() {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 1 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_int(val, src_offset, src_length, 1, location)?;
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match location.type_() {
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constants::SAMPLER_2D | constants::SAMPLER_CUBE => {
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for &v in val
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@ -3253,22 +3320,15 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Float32ArrayOrUnrestrictedFloatSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL | constants::FLOAT => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Float32ArrayOrUnrestrictedFloatSequence::Float32Array(v) => v.to_vec(),
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Float32ArrayOrUnrestrictedFloatSequence::UnrestrictedFloatSequence(v) => v,
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};
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if val.is_empty() {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 1 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_float(val, src_offset, src_length, 1, location)?;
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self.send_command(WebGLCommand::Uniform1fv(location.id(), val));
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Ok(())
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});
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@ -3291,22 +3351,15 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Float32ArrayOrUnrestrictedFloatSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL_VEC2 | constants::FLOAT_VEC2 => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Float32ArrayOrUnrestrictedFloatSequence::Float32Array(v) => v.to_vec(),
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Float32ArrayOrUnrestrictedFloatSequence::UnrestrictedFloatSequence(v) => v,
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};
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if val.len() < 2 || val.len() % 2 != 0 {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 2 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_float(val, src_offset, src_length, 2, location)?;
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self.send_command(WebGLCommand::Uniform2fv(location.id(), val));
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Ok(())
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});
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@ -3325,22 +3378,19 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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}
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// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
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fn Uniform2iv(&self, location: Option<&WebGLUniformLocation>, val: Int32ArrayOrLongSequence) {
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fn Uniform2iv(
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Int32ArrayOrLongSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL_VEC2 | constants::INT_VEC2 => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Int32ArrayOrLongSequence::Int32Array(v) => v.to_vec(),
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Int32ArrayOrLongSequence::LongSequence(v) => v,
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};
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if val.len() < 2 || val.len() % 2 != 0 {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 2 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_int(val, src_offset, src_length, 2, location)?;
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self.send_command(WebGLCommand::Uniform2iv(location.id(), val));
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Ok(())
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});
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@ -3363,22 +3413,15 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Float32ArrayOrUnrestrictedFloatSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL_VEC3 | constants::FLOAT_VEC3 => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Float32ArrayOrUnrestrictedFloatSequence::Float32Array(v) => v.to_vec(),
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Float32ArrayOrUnrestrictedFloatSequence::UnrestrictedFloatSequence(v) => v,
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};
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if val.len() < 3 || val.len() % 3 != 0 {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 3 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_float(val, src_offset, src_length, 3, location)?;
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self.send_command(WebGLCommand::Uniform3fv(location.id(), val));
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Ok(())
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});
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@ -3397,22 +3440,19 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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}
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// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
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fn Uniform3iv(&self, location: Option<&WebGLUniformLocation>, val: Int32ArrayOrLongSequence) {
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fn Uniform3iv(
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Int32ArrayOrLongSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL_VEC3 | constants::INT_VEC3 => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Int32ArrayOrLongSequence::Int32Array(v) => v.to_vec(),
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Int32ArrayOrLongSequence::LongSequence(v) => v,
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};
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if val.len() < 3 || val.len() % 3 != 0 {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 3 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_int(val, src_offset, src_length, 3, location)?;
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self.send_command(WebGLCommand::Uniform3iv(location.id(), val));
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Ok(())
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});
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@ -3431,22 +3471,19 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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}
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// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
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fn Uniform4iv(&self, location: Option<&WebGLUniformLocation>, val: Int32ArrayOrLongSequence) {
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fn Uniform4iv(
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Int32ArrayOrLongSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL_VEC4 | constants::INT_VEC4 => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Int32ArrayOrLongSequence::Int32Array(v) => v.to_vec(),
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Int32ArrayOrLongSequence::LongSequence(v) => v,
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};
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if val.len() < 4 || val.len() % 4 != 0 {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 4 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_int(val, src_offset, src_length, 4, location)?;
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self.send_command(WebGLCommand::Uniform4iv(location.id(), val));
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Ok(())
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});
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@ -3469,22 +3506,15 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
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&self,
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location: Option<&WebGLUniformLocation>,
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val: Float32ArrayOrUnrestrictedFloatSequence,
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src_offset: u32,
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src_length: u32,
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) {
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self.with_location(location, |location| {
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match location.type_() {
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constants::BOOL_VEC4 | constants::FLOAT_VEC4 => {},
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_ => return Err(InvalidOperation),
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}
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let val = match val {
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Float32ArrayOrUnrestrictedFloatSequence::Float32Array(v) => v.to_vec(),
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Float32ArrayOrUnrestrictedFloatSequence::UnrestrictedFloatSequence(v) => v,
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};
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if val.len() < 4 || val.len() % 4 != 0 {
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return Err(InvalidValue);
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}
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if location.size().is_none() && val.len() != 4 {
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return Err(InvalidOperation);
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}
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let val = self.uniform_vec_section_float(val, src_offset, src_length, 4, location)?;
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self.send_command(WebGLCommand::Uniform4fv(location.id(), val));
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Ok(())
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});
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