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webgl: Reject incompatible 2d texture pixel data based on texture data type.

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This commit is contained in:
Josh Matthews 2020-05-13 14:08:20 -04:00
parent 3abaff85f3
commit 7151ee25c8
2 changed files with 56 additions and 18 deletions
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32
components/canvas_traits/webgl.rs
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@ -1313,7 +1313,39 @@ impl TexFormat {
}
}
#[derive(PartialEq)]
pub enum SizedDataType {
Int8,
Int16,
Int32,
Uint8,
Uint16,
Uint32,
Float32,
}
impl TexDataType {
/// Returns the compatible sized data type for this texture data type.
pub fn sized_data_type(&self) -> SizedDataType {
match self {
TexDataType::Byte => SizedDataType::Int8,
TexDataType::UnsignedByte => SizedDataType::Uint8,
TexDataType::Short => SizedDataType::Int16,
TexDataType::UnsignedShort |
TexDataType::UnsignedShort4444 |
TexDataType::UnsignedShort5551 |
TexDataType::UnsignedShort565 => SizedDataType::Uint16,
TexDataType::Int => SizedDataType::Int32,
TexDataType::UnsignedInt |
TexDataType::UnsignedInt10f11f11fRev |
TexDataType::UnsignedInt2101010Rev |
TexDataType::UnsignedInt5999Rev |
TexDataType::UnsignedInt248 => SizedDataType::Uint32,
TexDataType::HalfFloat => SizedDataType::Uint16,
TexDataType::Float | TexDataType::Float32UnsignedInt248Rev => SizedDataType::Float32,
}
}
/// Returns the size in bytes of each element of data.
pub fn element_size(&self) -> u32 {
use self::*;