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Add hybrid layout (#772)

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This commit is contained in:
gal20
2021-01-25 20:47:54 +02:00
committed by GitHub
parent 43348210f9
commit 54b1a752d4
4 changed files with 124 additions and 20 deletions
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115
src/frontend/Util_Video.cpp
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@ -30,9 +30,13 @@ namespace Frontend
float TopScreenMtx[6];
float BotScreenMtx[6];
float HybScreenMtx[6];
float TouchMtx[6];
float HybTouchMtx[6];
bool TopEnable;
bool BotEnable;
bool HybEnable;
int HybScreen;
void M23_Identity(float* m)
{
@ -126,21 +130,35 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
bool swapScreens,
float topAspect, float botAspect)
{
float refpoints[4][2] =
HybEnable = screenLayout == 3;
if (HybEnable)
{
screenLayout = 0;
sizing = 0;
HybScreen = swapScreens ? 1 : 0;
swapScreens = false;
topAspect = botAspect = 1;
}
float refpoints[6][2] =
{
{0, 0}, {256, 192},
{0, 0}, {256, 192},
{0, 0}, {256, 192}
};
int layout = screenLayout == 0
? ((rotation % 2 == 0) ? 0 : 1)
? rotation % 2
: screenLayout - 1;
float botScale = 1;
float hybScale = 1;
float botTrans[4] = {0};
float hybTrans[2] = {0};
M23_Identity(TopScreenMtx);
M23_Identity(BotScreenMtx);
M23_Identity(HybScreenMtx);
M23_Translate(TopScreenMtx, -256/2, -192/2);
M23_Translate(BotScreenMtx, -256/2, -192/2);
@ -156,6 +174,7 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
M23_RotateFast(rotmtx, rotation);
M23_Multiply(TopScreenMtx, rotmtx, TopScreenMtx);
M23_Multiply(BotScreenMtx, rotmtx, BotScreenMtx);
M23_Multiply(HybScreenMtx, rotmtx, HybScreenMtx);
M23_Transform(TopScreenMtx, refpoints[0][0], refpoints[0][1]);
M23_Transform(TopScreenMtx, refpoints[1][0], refpoints[1][1]);
@ -164,7 +183,7 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
}
int posRefPointOffset = 0;
int posRefPointCount = 4;
int posRefPointCount = HybEnable ? 6 : 4;
if (sizing == 4 || sizing == 5)
{
@ -195,14 +214,15 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
else
{
TopEnable = BotEnable = true;
// move screens apart
{
int idx = layout == 0 ? 1 : 0;
bool moveV = rotation % 2 == layout;
float offsetTop = (moveV ? 192 : 256 * topAspect) / 2 + screenGap / 2;
float offsetBot = (moveV ? 192 : 256 * botAspect) / 2 + screenGap / 2;
float offsetBot = (moveV ? 192.0 : 256.0 * botAspect) / 2.0 + screenGap / 2.0;
float offsetTop = -offsetBot;
if ((rotation == 1 || rotation == 2) ^ swapScreens)
{
@ -210,11 +230,11 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
offsetBot *= -1;
}
M23_Translate(TopScreenMtx, (idx==0)?-offsetTop:0, (idx==1)?-offsetTop:0);
M23_Translate(TopScreenMtx, (idx==0)?offsetTop:0, (idx==1)?offsetTop:0);
M23_Translate(BotScreenMtx, (idx==0)?offsetBot:0, (idx==1)?offsetBot:0);
refpoints[0][idx] -= offsetTop;
refpoints[1][idx] -= offsetTop;
refpoints[0][idx] += offsetTop;
refpoints[1][idx] += offsetTop;
refpoints[2][idx] += offsetBot;
refpoints[3][idx] += offsetBot;
@ -239,14 +259,28 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
float hSize = maxX - minX;
float vSize = maxY - minY;
if (HybEnable)
{
hybScale = layout == 0
? (4 * vSize) / (3 * hSize)
: (4 * hSize) / (3 * vSize);
if (layout == 0)
hSize += (vSize * 4) / 3;
else
vSize += (hSize * 4) / 3;
}
// scale evenly
float scale = std::min(screenWidth / hSize, screenHeight / vSize);
if (integerScale)
scale = floor(scale);
hybScale *= scale;
M23_Scale(TopScreenMtx, scale);
M23_Scale(BotScreenMtx, scale);
M23_Scale(HybScreenMtx, hybScale);
for (int i = 0; i < 4; i++)
{
@ -255,6 +289,33 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
}
botScale = scale;
// move screens aside
if (HybEnable)
{
float hybWidth = layout == 0
? (scale * vSize * 4) / 3
: (scale * hSize * 4) / 3;
if (rotation > 1)
hybWidth *= -1;
M23_Translate(TopScreenMtx, (layout==0)?hybWidth:0, (layout==1)?hybWidth:0);
M23_Translate(BotScreenMtx, (layout==0)?hybWidth:0, (layout==1)?hybWidth:0);
refpoints[0][layout] += hybWidth;
refpoints[1][layout] += hybWidth;
refpoints[2][layout] += hybWidth;
refpoints[3][layout] += hybWidth;
botTrans[2+layout] += hybWidth;
hybTrans[0] = scale * (rotation == 0 || rotation == 3 ? minX : maxX);
hybTrans[1] = scale * (rotation == 0 || rotation == 1 ? minY : maxY);
M23_Translate(HybScreenMtx, hybTrans[0], hybTrans[1]);
M23_Transform(HybScreenMtx, refpoints[4][0], refpoints[4][1]);
M23_Transform(HybScreenMtx, refpoints[5][0], refpoints[5][1]);
}
}
else
{
@ -346,8 +407,10 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
M23_Translate(TopScreenMtx, tx, ty);
M23_Translate(BotScreenMtx, tx, ty);
M23_Translate(HybScreenMtx, tx, ty);
botTrans[2] = tx; botTrans[3] = ty;
botTrans[2] += tx; botTrans[3] += ty;
hybTrans[0] += tx; hybTrans[1] += ty;
}
// prepare a 'reverse' matrix for the touchscreen
@ -368,6 +431,15 @@ void SetupScreenLayout(int screenWidth, int screenHeight,
M23_Scale(TouchMtx, 1.f/botAspect, 1);
M23_Translate(TouchMtx, 256/2, 192/2);
if (HybEnable && HybScreen == 1)
{
M23_Identity(HybTouchMtx);
M23_Translate(HybTouchMtx, -hybTrans[0], -hybTrans[1]);
M23_Scale(HybTouchMtx, 1.f/hybScale);
M23_Multiply(HybTouchMtx, rotmtx, HybTouchMtx);
}
}
}
@ -377,14 +449,17 @@ int GetScreenTransforms(float* out, int* kind)
if (TopEnable)
{
memcpy(out + 6*num, TopScreenMtx, sizeof(TopScreenMtx));
kind[num] = 0;
num++;
kind[num++] = 0;
}
if (BotEnable)
{
memcpy(out + 6*num, BotScreenMtx, sizeof(BotScreenMtx));
kind[num] = 1;
num++;
kind[num++] = 1;
}
if (HybEnable)
{
memcpy(out + 6*num, HybScreenMtx, sizeof(HybScreenMtx));
kind[num++] = HybScreen;
}
return num;
}
@ -398,6 +473,20 @@ bool GetTouchCoords(int& x, int& y)
M23_Transform(TouchMtx, vx, vy);
if (vx >= 0 && vx < 256 && vy >= 0 && vy < 192)
{
x = (int)vx;
y = (int)vy;
return true;
}
}
if (HybEnable && HybScreen == 1)
{
float vx = x;
float vy = y;
M23_Transform(HybTouchMtx, vx, vy);
x = (int)vx;
y = (int)vy;