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Implement real transition for 3DS (#538)

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Anders Jenbo 2025-07-06 17:00:39 +02:00 committed by GitHub
parent 54832590da
commit 9e14aac98a
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GPG Key ID: B5690EEEBB952194
2 changed files with 47 additions and 4 deletions
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3
ISLE/3ds/config.cpp
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@ -16,7 +16,4 @@ void N3DS_SetupDefaultConfigOverrides(dictionary* p_dictionary)
// TODO: Save path: can we use libctru FS save data functions? Would be neat, especially for CIA install
// Extra / at the end causes some issues
iniparser_set(p_dictionary, "isle:savepath", "sdmc:/3ds/isle");
// Use e_noAnimation/cut transition
iniparser_set(p_dictionary, "isle:Transition Type", "7");
}

48
miniwin/src/d3drm/backends/citro3d/renderer.cpp
View File

@ -637,5 +637,51 @@ void Citro3DRenderer::SetDither(bool dither)
void Citro3DRenderer::Download(SDL_Surface* target)
{
MINIWIN_NOT_IMPLEMENTED();
u16 width, height;
u8* fb = gfxGetFramebuffer(GFX_BOTTOM, GFX_LEFT, &width, &height);
if (!fb) {
SDL_Log("Failed to get framebuffer");
return;
}
SDL_Surface* srcSurface = SDL_CreateSurfaceFrom(width, height, SDL_PIXELFORMAT_BGR24, fb, width * 3);
if (!srcSurface) {
SDL_Log("SDL_CreateSurfaceFrom failed: %s", SDL_GetError());
return;
}
SDL_Surface* convertedSurface = SDL_ConvertSurface(srcSurface, target->format);
SDL_DestroySurface(srcSurface);
if (!convertedSurface) {
SDL_Log("SDL_ConvertSurface failed: %s", SDL_GetError());
return;
}
int rotatedWidth = height;
int rotatedHeight = width;
SDL_Surface* rotatedSurface = SDL_CreateSurface(rotatedWidth, rotatedHeight, target->format);
if (!rotatedSurface) {
SDL_Log("SDL_CreateSurface failed: %s", SDL_GetError());
SDL_DestroySurface(convertedSurface);
return;
}
Uint32* srcPixels = (Uint32*) convertedSurface->pixels;
Uint32* dstPixels = (Uint32*) rotatedSurface->pixels;
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
Uint32 pixel = srcPixels[y * width + x];
int newX = y;
int newY = width - 1 - x;
dstPixels[newY * rotatedWidth + newX] = pixel;
}
}
SDL_DestroySurface(convertedSurface);
SDL_Rect srcRect = {0, 0, rotatedSurface->w, rotatedSurface->h};
SDL_Rect dstRect = {0, 0, target->w, target->h};
SDL_BlitSurfaceScaled(rotatedSurface, &srcRect, target, &dstRect, SDL_SCALEMODE_NEAREST);
SDL_DestroySurface(rotatedSurface);
}