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[Feat] (MG_Impl/Texture): Implement PBO.

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This commit is contained in:
BZLZHH
2025-11-15 23:02:00 +08:00
parent e944944e7c
commit 8b39e3c8a9
1 changed files with 29 additions and 4 deletions
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MobileGL/MG_Impl/GLImpl/Texture/GL_Texture.cpp
+29 -4
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@@ -66,8 +66,20 @@ namespace MobileGL {
SizeT imageSize = 0;
const SizeT bytesPerPixel = MG_Util::GetInputBytesPerPixel(textureInternalFormat, texturePixelDataType);
const void* originalPixels = pixels;
// PBO
const auto& pixelUnpackBufferObject =
MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::PixelUnpack).GetBoundObject();
if (pixelUnpackBufferObject) {
MGLOG_D("TexSubImage2D_State: Using Pixel Unpack Buffer Object ID: %u",
pixelUnpackBufferObject->GetExternalIndex());
originalPixels = reinterpret_cast<const char*>(pixelUnpackBufferObject->GetDataReadOnly()->data()) +
reinterpret_cast<SizeT>(pixels);
}
void* processedPixels = MG_Util::PixelStoreProcessor::ProcessTexturePixelsDataUnpack(
pixels, MG_State::pGLContext->GetPixelStoreParameters(true), bytesPerPixel, {width, height, 1},
originalPixels, MG_State::pGLContext->GetPixelStoreParameters(true), bytesPerPixel, {width, height, 1},
false /*TODO*/, imageSize);
if (!processedPixels || imageSize == 0) {
@@ -360,10 +372,22 @@ namespace MobileGL {
const SizeT bytesPerPixel = MG_Util::GetInputBytesPerPixel(textureInternalFormat, texturePixelDataType);
const SizeT totalBytes = width * height * bytesPerPixel;
if (pixels) {
const void* originalPixels = pixels;
// PBO
const auto& pixelUnpackBufferObject =
MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::PixelUnpack).GetBoundObject();
if (pixelUnpackBufferObject) {
MGLOG_D("TexImage2D_State: Using Pixel Unpack Buffer Object ID: %u",
pixelUnpackBufferObject->GetExternalIndex());
originalPixels = reinterpret_cast<const char*>(pixelUnpackBufferObject->GetDataReadOnly()->data()) +
reinterpret_cast<SizeT>(pixels);
}
if (originalPixels) {
processedPixels = MG_Util::PixelStoreProcessor::ProcessTexturePixelsDataUnpack(
pixels, MG_State::pGLContext->GetPixelStoreParameters(true), bytesPerPixel, {width, height, 1},
false, imageSize);
originalPixels, MG_State::pGLContext->GetPixelStoreParameters(true), bytesPerPixel,
{width, height, 1}, false, imageSize);
}
MG_State::GLState::MipmapLevelInput mipmap =
@@ -831,6 +855,7 @@ namespace MobileGL {
}
void BindTexture_State(GLenum target, GLuint texture) {
MGLOG_D("BindTexture_State called with target: 0x%X, texture: %u", target, texture);
// ======================= Converting ================================
TextureTarget textureTarget = MG_Util::ConvertGLEnumToTextureTarget(target);