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3DS: Add SGB cropping

This commit is contained in:
Vicki Pfau 2019-06-07 12:11:57 -07:00
parent ea4c160424
commit 62e3955848
1 changed files with 23 additions and 9 deletions
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32
src/platform/3ds/main.c
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@ -104,6 +104,7 @@ static bool frameStarted = false;
static C3D_RenderTarget* upscaleBuffer;
static C3D_Tex upscaleBufferTex;
static bool interframeBlending = false;
static bool sgbCrop = false;
static aptHookCookie cookie;
static bool core2;
@ -382,6 +383,10 @@ static void _gameLoaded(struct mGUIRunner* runner) {
if (mCoreConfigGetIntValue(&runner->config, "interframeBlending", &fakeBool)) {
interframeBlending = fakeBool;
}
if (mCoreConfigGetIntValue(&runner->config, "sgb.borderCrop", &fakeBool)) {
sgbCrop = fakeBool;
}
}
static void _gameUnloaded(struct mGUIRunner* runner) {
@ -437,6 +442,12 @@ static void _drawTex(struct mCore* core, bool faded, bool both) {
int w = corew;
int h = coreh;
if (sgbCrop && w == 256 && h == 224) {
w = GB_VIDEO_HORIZONTAL_PIXELS;
h = GB_VIDEO_VERTICAL_PIXELS;
}
int innerw = w;
int innerh = h;
// Get greatest common divisor
while (w != 0) {
int temp = h % w;
@ -444,8 +455,8 @@ static void _drawTex(struct mCore* core, bool faded, bool both) {
w = temp;
}
int gcd = h;
unsigned aspectw = corew / gcd;
unsigned aspecth = coreh / gcd;
unsigned aspectw = innerw / gcd;
unsigned aspecth = innerh / gcd;
int x = 0;
int y = 0;
@ -517,6 +528,8 @@ static void _drawTex(struct mCore* core, bool faded, bool both) {
}
ctrFlushBatch();
innerw = corew;
innerh = coreh;
corew = w;
coreh = h;
screen_h = 240;
@ -529,19 +542,20 @@ static void _drawTex(struct mCore* core, bool faded, bool both) {
}
ctrSetViewportSize(screen_w, screen_h, true);
float afw, afh;
switch (screenMode) {
default:
return;
case SM_AF_TOP:
case SM_AF_BOTTOM:
w = screen_w / aspectw;
h = screen_h / aspecth;
if (w * aspecth > screen_h) {
w = aspectw * h;
h = aspecth * h;
afw = screen_w / (float) aspectw;
afh = screen_h / (float) aspecth;
if (afw * aspecth > screen_h) {
w = innerw * afh / gcd;
h = innerh * afh / gcd;
} else {
h = aspecth * w;
w = aspectw * w;
h = innerh * afw / gcd;
w = innerw * afw / gcd;
}
break;
case SM_SF_TOP: