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This commit is contained in:
Arisotura
2019-05-16 16:27:45 +02:00
parent f2282e9e32
commit c81bcccadc
11 changed files with 816 additions and 731 deletions
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175
src/GPU2D.cpp
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@ -82,7 +82,6 @@
GPU2D::GPU2D(u32 num)
{
Num = num;
SetScale(0);
}
GPU2D::~GPU2D()
@ -216,12 +215,16 @@ void GPU2D::SetFramebuffer(u32* buf)
Framebuffer = buf;
}
void GPU2D::SetScale(int scale)
void GPU2D::SetDisplaySettings(int scale, bool accel)
{
if (accel) scale = 0;
Accelerated = accel;
LineScale = scale;
LineStride = 256 << (scale*2);
if (scale == 1) DrawPixel = DrawPixel_2x;
if (Accelerated) DrawPixel = DrawPixel_Accel;
else if (scale == 1) DrawPixel = DrawPixel_2x;
else if (scale == 2) DrawPixel = DrawPixel_4x;
else DrawPixel = DrawPixel_1x;
}
@ -623,7 +626,8 @@ u32 GPU2D::ColorBrightnessDown(u32 val, u32 factor)
void GPU2D::DrawScanline(u32 line)
{
u32* dst = &Framebuffer[LineStride * line];
int stride = Accelerated ? (256*3) : LineStride;
u32* dst = &Framebuffer[stride * line];
int n3dline = line;
line = GPU::VCount;
@ -652,7 +656,7 @@ void GPU2D::DrawScanline(u32 line)
u32 dispmode = DispCnt >> 16;
dispmode &= (Num ? 0x1 : 0x3);
if (Num == 0)
if (Num == 0 && !Accelerated)
_3DLine = GPU3D::GetLine(n3dline);
// always render regular graphics
@ -663,13 +667,13 @@ void GPU2D::DrawScanline(u32 line)
case 0: // screen off
{
for (int i = 0; i < LineStride; i++)
dst[i] = 0xFF3F3F3F;
dst[i] = 0x003F3F3F;
}
break;
case 1: // regular display
{
for (int i = 0; i < LineStride; i+=2)
for (int i = 0; i < stride; i+=2)
*(u64*)&dst[i] = *(u64*)&BGOBJLine[i];
}
break;
@ -783,6 +787,8 @@ void GPU2D::DrawScanline(u32 line)
DoCapture(line, capwidth);
}
if (Accelerated) return;
// master brightness
if (dispmode != 0)
{
@ -861,6 +867,8 @@ void GPU2D::DoCapture(u32 line, u32 width)
u16* dst = (u16*)GPU::VRAM[dstvram];
u32 dstaddr = (((CaptureCnt >> 18) & 0x3) << 14) + (line * width);
// TODO: handle 3D in accelerated mode!!
u32* srcA;
if (CaptureCnt & (1<<24))
srcA = _3DLine;
@ -1272,88 +1280,91 @@ void GPU2D::DrawScanline_Mode1(u32 line)
// color special effects
// can likely be optimized
u32 bldcnteffect = (BlendCnt >> 6) & 0x3;
for (int i = 0; i < LineStride; i++)
if (!Accelerated)
{
int j = (i >> LineScale) & 0xFF;
u32 bldcnteffect = (BlendCnt >> 6) & 0x3;
u32 val1 = BGOBJLine[i];
u32 val2 = BGOBJLine[4096+i];
u32 coloreffect, eva, evb;
u32 flag1 = val1 >> 24;
u32 flag2 = val2 >> 24;
u32 target2;
if (flag2 & 0x80) target2 = 0x1000;
else if (flag2 & 0x40) target2 = 0x0100;
else target2 = flag2 << 8;
if ((flag1 & 0x80) && (BlendCnt & target2))
for (int i = 0; i < LineStride; i++)
{
// sprite blending
int j = (i >> LineScale) & 0xFF;
coloreffect = 1;
u32 val1 = BGOBJLine[i];
u32 val2 = BGOBJLine[4096+i];
if (flag1 & 0x40)
u32 coloreffect, eva, evb;
u32 flag1 = val1 >> 24;
u32 flag2 = val2 >> 24;
u32 target2;
if (flag2 & 0x80) target2 = 0x1000;
else if (flag2 & 0x40) target2 = 0x0100;
else target2 = flag2 << 8;
if ((flag1 & 0x80) && (BlendCnt & target2))
{
eva = flag1 & 0x1F;
evb = 16 - eva;
}
else
{
eva = EVA;
evb = EVB;
}
}
else if ((flag1 & 0x40) && (BlendCnt & target2))
{
// 3D layer blending
// sprite blending
BGOBJLine[i] = ColorBlend5(val1, val2);
continue;
}
else
{
if (flag1 & 0x80) flag1 = 0x10;
else if (flag1 & 0x40) flag1 = 0x01;
coloreffect = 1;
if ((BlendCnt & flag1) && (WindowMask[j] & 0x20))
{
if ((bldcnteffect == 1) && (BlendCnt & target2))
if (flag1 & 0x40)
{
eva = flag1 & 0x1F;
evb = 16 - eva;
}
else
{
coloreffect = 1;
eva = EVA;
evb = EVB;
}
else if (bldcnteffect >= 2)
coloreffect = bldcnteffect;
}
else if ((flag1 & 0x40) && (BlendCnt & target2))
{
// 3D layer blending
BGOBJLine[i] = ColorBlend5(val1, val2);
continue;
}
else
{
if (flag1 & 0x80) flag1 = 0x10;
else if (flag1 & 0x40) flag1 = 0x01;
if ((BlendCnt & flag1) && (WindowMask[j] & 0x20))
{
if ((bldcnteffect == 1) && (BlendCnt & target2))
{
coloreffect = 1;
eva = EVA;
evb = EVB;
}
else if (bldcnteffect >= 2)
coloreffect = bldcnteffect;
else
coloreffect = 0;
}
else
coloreffect = 0;
}
else
coloreffect = 0;
}
switch (coloreffect)
{
case 0:
BGOBJLine[i] = val1;
break;
switch (coloreffect)
{
case 0:
BGOBJLine[i] = val1;
break;
case 1:
BGOBJLine[i] = ColorBlend4(val1, val2, eva, evb);
break;
case 1:
BGOBJLine[i] = ColorBlend4(val1, val2, eva, evb);
break;
case 2:
BGOBJLine[i] = ColorBrightnessUp(val1, EVY);
break;
case 2:
BGOBJLine[i] = ColorBrightnessUp(val1, EVY);
break;
case 3:
BGOBJLine[i] = ColorBrightnessDown(val1, EVY);
break;
case 3:
BGOBJLine[i] = ColorBrightnessDown(val1, EVY);
break;
}
}
}
@ -1429,6 +1440,17 @@ void GPU2D::DrawPixel_4x(u32* dst, u16 color, u32 flag)
*(u64*)(dst+3072+2) = val;
}
void GPU2D::DrawPixel_Accel(u32* dst, u16 color, u32 flag)
{
u8 r = (color & 0x001F) << 1;
u8 g = (color & 0x03E0) >> 4;
u8 b = (color & 0x7C00) >> 9;
*(dst+512) = *(dst+256);
*(dst+256) = *dst;
*dst = r | (g << 8) | (b << 16) | flag;
}
void GPU2D::DrawBG_3D()
{
u16 xoff = BGXPos[0];
@ -1445,7 +1467,18 @@ void GPU2D::DrawBG_3D()
iend -= (xoff & 0xFF);
}
if (LineScale == 1)
if (Accelerated)
{
for (; i < iend; i++)
{
if (!(WindowMask[i] & 0x01)) continue;
BGOBJLine[i+512] = BGOBJLine[i+256];
BGOBJLine[i+256] = BGOBJLine[i];
BGOBJLine[i] = 0x40000000; // 3D-layer placeholder
}
}
else if (LineScale == 1)
{
for (; i < iend; i++)
{