57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
|
|
Copyright 2024 flyinghead
|
|
|
|
This file is part of Flycast.
|
|
|
|
Flycast is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Flycast is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "imgui_driver.h"
|
|
#define STBI_ONLY_JPEG
|
|
#define STBI_ONLY_PNG
|
|
#include <stb_image.h>
|
|
|
|
static u8 *loadImage(const std::string& path, int& width, int& height)
|
|
{
|
|
FILE *file = nowide::fopen(path.c_str(), "rb");
|
|
if (file == nullptr)
|
|
return nullptr;
|
|
|
|
int channels;
|
|
stbi_set_flip_vertically_on_load(0);
|
|
u8 *imgData = stbi_load_from_file(file, &width, &height, &channels, STBI_rgb_alpha);
|
|
std::fclose(file);
|
|
return imgData;
|
|
}
|
|
|
|
ImTextureID ImGuiDriver::getOrLoadTexture(const std::string& path)
|
|
{
|
|
ImTextureID id = getTexture(path);
|
|
if (id == ImTextureID() && textureLoadCount < 10)
|
|
{
|
|
textureLoadCount++;
|
|
int width, height;
|
|
u8 *imgData = loadImage(path, width, height);
|
|
if (imgData != nullptr)
|
|
{
|
|
try {
|
|
id = updateTextureAndAspectRatio(path, imgData, width, height);
|
|
} catch (...) {
|
|
// vulkan can throw during resizing
|
|
}
|
|
free(imgData);
|
|
}
|
|
}
|
|
return id;
|
|
}
|