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[Feat] (MG_State, MG_Util, MG_Impl/GLImpl, MG_Backend/DirectGLES): desktop-GL single-channel client formats GL_GREEN/GL_BLUE/GL_ALPHA and _INTEGER variants - validate and readback via wide-RGBA channel extraction (GL CTS packed_pixels rgba8_format_green/blue read with them), unpack GREEN/BLUE(_INTEGER) TexImage uploads into the named channel with 0/1 defaults per table 3.3; GL_ALPHA keeps the legacy Red upload mapping (R8 storage + 000R swizzle), its readback corrected at the backend to source channel 3

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swung0x48
2026-07-16 06:47:33 -04:00
parent a1a8a18575
commit 6ca48e40fe
12 changed files with 220 additions and 2 deletions
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MobileGL/MG_Impl/GLImpl/Texture/Validators.cpp
+3 -1
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@@ -178,7 +178,9 @@ namespace MobileGL::MG_Impl::GLImpl::TextureImpl {
static Bool IsIntegerColorInputFormat(TextureInputFormat format) {
return format == TextureInputFormat::RInteger || format == TextureInputFormat::RGInteger ||
format == TextureInputFormat::RGBInteger || format == TextureInputFormat::BGRInteger ||
format == TextureInputFormat::RGBAInteger || format == TextureInputFormat::BGRAInteger;
format == TextureInputFormat::RGBAInteger || format == TextureInputFormat::BGRAInteger ||
format == TextureInputFormat::GreenInteger || format == TextureInputFormat::BlueInteger ||
format == TextureInputFormat::AlphaInteger;
}
static Bool IsIntegerColorInternalFormat(TextureInternalFormat internalFormat) {