minenux/minetest-engine-multicraft2
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Convert textures to (A1)R5G6B5 format on low memory device

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This commit is contained in:
Maksym H 2023-09-26 14:38:38 +03:00 committed by mckaygerhard
parent dc28963b18
commit 23a14cf674
1 changed files with 36 additions and 0 deletions
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36
src/client/client.cpp
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@ -59,6 +59,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "game.h"
#include "chatmessage.h"
#include "translation.h"
#ifdef _IRR_COMPILE_WITH_SDL_DEVICE_
#include <SDL.h>
#endif
extern gui::IGUIEnvironment* guienv;
@ -694,6 +697,39 @@ bool Client::loadMedia(const std::string &data, const std::string &filename,
return false;
}
#ifdef _IRR_COMPILE_WITH_SDL_DEVICE_
if (SDL_GetSystemRAM() < 2048) {
core::dimension2du dimensions = img->getDimension();
irr::video::ECOLOR_FORMAT format = img->getColorFormat();
irr::video::ECOLOR_FORMAT new_format = irr::video::ECF_UNKNOWN;
if (format == irr::video::ECF_R8G8B8) {
new_format = irr::video::ECF_R5G6B5;
} else if (format == irr::video::ECF_A8R8G8B8) {
bool can_convert = true;
u32 data_size = img->getImageDataSizeInBytes();
u8 *data = (u8*) img->getData();
for (u32 i = 0; i < data_size; i += 4) {
u8 alpha = data[i + 3];
if (alpha > 0 && alpha < 255) {
can_convert = false;
break;
}
}
if (can_convert)
new_format = irr::video::ECF_A1R5G5B5;
}
if (new_format != irr::video::ECF_UNKNOWN) {
irr::video::IImage* converted_img = vdrv->createImage(new_format, dimensions);
img->copyTo(converted_img, core::position2d<s32>(0, 0));
img->drop();
img = converted_img;
}
}
#endif
m_tsrc->insertSourceImage(filename, img);
img->drop();
rfile->drop();