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[Fix] (MG_State/Texture): deal with GL_UNPACK_ROW_LENGTH

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swung0x48
2025-06-25 23:48:24 +08:00
parent afcc892b32
commit 1e6f91809e
1 changed files with 8 additions and 4 deletions
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MG/MG_GL/Implementations/GL/Texture/GL_Texture.cpp
+8 -4
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@@ -600,6 +600,8 @@ namespace MG_GL::GL {
auto unitState = &texState.textureUnits_[activeUnit];
GLuint boundTextureID = unitState->GetBoundTexture(target);
MG_Util::Debug::LogD("TexSubImage2D: bound texture: GL name %u", boundTextureID);
if (boundTextureID == 0) {
MG_Util::Debug::LogD("TexSubImage2D: No texture bound to active unit. Skipping update.");
return;
@@ -622,11 +624,11 @@ namespace MG_GL::GL {
return;
}
Diligent::TextureDesc desc = pTexture->GetDesc();
auto rowLength = TextureState::GetUnpackParam_(GL_UNPACK_ROW_LENGTH);
Diligent::TextureSubResData SubResData;
SubResData.pData = pixels;
SubResData.Stride = width * GetBytesPerPixel(format, type);
SubResData.Stride = ((rowLength > 0) ? rowLength : width) * GetBytesPerPixel(format, type);
Diligent::Box UpdateBox;
UpdateBox.MinX = xoffset;
@@ -636,8 +638,10 @@ namespace MG_GL::GL {
UpdateBox.MinZ = 0;
UpdateBox.MaxZ = 1;
MG_Util::Debug::LogD("TexSubImage2D: Updating region [%d,%d]-[%d,%d] at level %d",
xoffset, yoffset, xoffset+width, yoffset+height, level);
MG_Util::Debug::LogD("TexSubImage2D: Got GL_UNPACK_ROW_LENGTH = %d", rowLength);
MG_Util::Debug::LogD("TexSubImage2D: Updating region [%d,%d]-[%d,%d] at level %d, %d bytes",
xoffset, yoffset, xoffset+width, yoffset+height, level, width * height * GetBytesPerPixel(format, type));
if (MG_Diligent::IsInRenderPass) {
MG_Diligent::g_pContext->EndRenderPass();