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[Fix] (...): Some fix for TexSubImage2D(MG_Impl) and ...

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This commit is contained in:
BZLZHH
2026-01-02 19:40:05 +08:00
parent 3822d8169a
commit 28c15148f2
4 changed files with 258 additions and 255 deletions
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MobileGL/MG_Util/Texture/PixelStoreProcessor.cpp
+29 -28
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@@ -49,32 +49,32 @@ namespace MobileGL::MG_Util::PixelStoreProcessor {
bytes += rowBytes;
}
}
static Uint8 GetSwizzledChannelValue(Uint8* pixel, TextureSwizzleParam param) {
switch (param) {
case TextureSwizzleParam::Red:
return pixel[0];
case TextureSwizzleParam::Green:
return pixel[1];
case TextureSwizzleParam::Blue:
return pixel[2];
case TextureSwizzleParam::Alpha:
return pixel[3];
case TextureSwizzleParam::Zero:
return 0;
case TextureSwizzleParam::One:
return 0xFF;
default:
return 0xBD;
case TextureSwizzleParam::Red:
return pixel[0];
case TextureSwizzleParam::Green:
return pixel[1];
case TextureSwizzleParam::Blue:
return pixel[2];
case TextureSwizzleParam::Alpha:
return pixel[3];
case TextureSwizzleParam::Zero:
return 0;
case TextureSwizzleParam::One:
return 0xFF;
default:
return 0xBD;
}
}
// assume 8 bit per channel
// swizzle.size() == channel count
static void ProcessColorSwizzle(void* data, SizeT pixelCount, const Vector<TextureSwizzleParam>& swizzle) {
const auto bpp = swizzle.size();
Uint8* bytes = static_cast<Uint8*>(data);
static Uint8 pixelScratch[4];
Uint8 pixelScratch[4];
for (SizeT i = 0; i < pixelCount; ++i) {
Uint8* pixel = bytes + i * bpp;
for (SizeT ch = 0; ch < bpp; ++ch) {
@@ -85,7 +85,8 @@ namespace MobileGL::MG_Util::PixelStoreProcessor {
}
void* ProcessTexturePixelsDataUnpack(const void* inputPixels, const PixelStoreParameters& params,
TextureInternalFormat targetInternalFormat, TextureInputFormat textureInputFormat, TexturePixelDataType inputDataType,
TextureInternalFormat targetInternalFormat,
TextureInputFormat textureInputFormat, TexturePixelDataType inputDataType,
IntVec3 dimension, Bool isBitmap, SizeT& outSize) {
const SizeT pixelSize = MG_Util::GetInputBytesPerPixel(textureInputFormat, inputDataType);
@@ -125,14 +126,16 @@ namespace MobileGL::MG_Util::PixelStoreProcessor {
src += static_cast<SizeT>(startY) * inputStride;
src += static_cast<SizeT>(startX) * pixelSize;
Bool isByteType =
(inputDataType == TexturePixelDataType::UnsignedByte || inputDataType == TexturePixelDataType::Byte);
for (Int z = 0; z < copyDepth; ++z) {
const Uint8* layerSrc = src;
Uint8* layerDst = dst;
for (Int y = 0; y < copyHeight; ++y) {
Memcpy(layerDst, layerSrc, static_cast<SizeT>(copyWidth) * pixelSize);
if (params.SwapBytes && pixelSize > 1) {
if (params.SwapBytes && pixelSize > 1 && !isByteType) {
MGLOG_D("%s: SwapBytes", __func__);
SwapBytes(layerDst, pixelSize, static_cast<SizeT>(copyWidth));
}
@@ -141,16 +144,14 @@ namespace MobileGL::MG_Util::PixelStoreProcessor {
MGLOG_D("%s: LSBFirst", __func__);
ProcessLSBFirst(layerDst, static_cast<SizeT>(copyWidth), 1);
}
if (textureInputFormat == TextureInputFormat::BGRA && targetInternalFormat == TextureInternalFormat::RGBA8) {
if (textureInputFormat == TextureInputFormat::BGRA &&
targetInternalFormat == TextureInternalFormat::RGBA8) {
MGLOG_D("%s: Swizzle (BGRA)", __func__);
MGLOG_D("%s: pixel0 before = %x", __func__, *((Uint32*)layerDst));
ProcessColorSwizzle(layerDst, static_cast<SizeT>(copyWidth), {
TextureSwizzleParam::Green,
TextureSwizzleParam::Blue,
TextureSwizzleParam::Alpha,
TextureSwizzleParam::Red
});
ProcessColorSwizzle(layerDst, static_cast<SizeT>(copyWidth),
{TextureSwizzleParam::Green, TextureSwizzleParam::Blue,
TextureSwizzleParam::Alpha, TextureSwizzleParam::Red});
MGLOG_D("%s: pixel0 after = %x", __func__, *((Uint32*)layerDst));
} else
MGLOG_D("%s: pixel0 = %x", __func__, *((Uint32*)layerDst));