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3DS: Rotate and center screen

This commit is contained in:
Jeffrey Pfau 2014-12-10 04:55:05 -08:00
parent 57828f6d85
commit 5f7bbb1c4d
1 changed files with 10 additions and 9 deletions
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19
src/platform/3ds/main.c
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@ -20,15 +20,7 @@ int main() {
gfxInit();
fsInit();
#ifdef COLOR_16_BIT
#ifdef COLOR_5_6_5
gfxSetScreenFormat(GFX_BOTTOM, GSP_RGB565_OES);
#else
gfxSetScreenFormat(GFX_BOTTOM, GSP_RGB5_A1_OES);
#endif
#else
gfxSetScreenFormat(GFX_BOTTOM, GSP_RGBA8_OES);
#endif
struct GBAVideoSoftwareRenderer renderer;
GBAVideoSoftwareRendererCreate(&renderer);
@ -72,7 +64,16 @@ int main() {
if (!inVblank) {
if (GBARegisterDISPSTATIsInVblank(gba->video.dispstat)) {
GX_RequestDma(0, (u32*) videoBuffer, (u32*) gfxGetFramebuffer(GFX_BOTTOM, GFX_BOTTOM, 0, 0), stride * VIDEO_VERTICAL_PIXELS);
u16 width, height;
u16* screen = (u16*) gfxGetFramebuffer(GFX_BOTTOM, GFX_BOTTOM, &height, &width);
u32 startX = (width - VIDEO_HORIZONTAL_PIXELS) / 2;
u32 startY = (height + VIDEO_VERTICAL_PIXELS) / 2 - 1;
u32 x, y;
for (y = 0; y < VIDEO_VERTICAL_PIXELS; ++y) {
for (x = 0; x < VIDEO_HORIZONTAL_PIXELS; ++x) {
screen[startY - y + (startX + x) * height] = videoBuffer[y * VIDEO_HORIZONTAL_PIXELS + x];
}
}
gfxFlushBuffers();
gfxSwapBuffersGpu();
gspWaitForVBlank();