diff options
| -rw-r--r-- | src/GPU2D.cpp | 113 | ||||
| -rw-r--r-- | src/GPU2D.h | 1 |
2 files changed, 108 insertions, 6 deletions
diff --git a/src/GPU2D.cpp b/src/GPU2D.cpp index 0ddc5fb..521d86a 100644 --- a/src/GPU2D.cpp +++ b/src/GPU2D.cpp @@ -82,6 +82,7 @@ GPU2D::GPU2D(u32 num) { Num = num; + SetScale(0); } GPU2D::~GPU2D() @@ -215,6 +216,16 @@ void GPU2D::SetFramebuffer(u32* buf) Framebuffer = buf; } +void GPU2D::SetScale(int scale) +{ + LineScale = scale; + LineStride = 256 << (scale*2); + + if (scale == 1) DrawPixel = DrawPixel_2x; + else if (scale == 2) DrawPixel = DrawPixel_4x; + else DrawPixel = DrawPixel_1x; +} + u8 GPU2D::Read8(u32 addr) { @@ -612,12 +623,7 @@ u32 GPU2D::ColorBrightnessDown(u32 val, u32 factor) void GPU2D::DrawScanline(u32 line) { - u32* dst = &Framebuffer[256*4*line]; - - // HAX - LineScale = 1; - LineStride = 1024; - DrawPixel = DrawPixel_2x; + u32* dst = &Framebuffer[LineStride * line]; int n3dline = line; line = GPU::VCount; @@ -691,6 +697,24 @@ void GPU2D::DrawScanline(u32 line) dst[d+512] = dst[d]; dst[d+513] = dst[d]; } + else if (LineScale == 2) + { + dst[d+1] = dst[d]; + dst[d+2] = dst[d]; + dst[d+3] = dst[d]; + dst[d+1024] = dst[d]; + dst[d+1024+1] = dst[d]; + dst[d+1024+2] = dst[d]; + dst[d+1024+3] = dst[d]; + dst[d+2048] = dst[d]; + dst[d+2048+1] = dst[d]; + dst[d+2048+2] = dst[d]; + dst[d+2048+3] = dst[d]; + dst[d+3072] = dst[d]; + dst[d+3072+1] = dst[d]; + dst[d+3072+2] = dst[d]; + dst[d+3072+3] = dst[d]; + } } } else @@ -720,6 +744,24 @@ void GPU2D::DrawScanline(u32 line) dst[d+512] = dst[d]; dst[d+513] = dst[d]; } + else if (LineScale == 2) + { + dst[d+1] = dst[d]; + dst[d+2] = dst[d]; + dst[d+3] = dst[d]; + dst[d+1024] = dst[d]; + dst[d+1024+1] = dst[d]; + dst[d+1024+2] = dst[d]; + dst[d+1024+3] = dst[d]; + dst[d+2048] = dst[d]; + dst[d+2048+1] = dst[d]; + dst[d+2048+2] = dst[d]; + dst[d+2048+3] = dst[d]; + dst[d+3072] = dst[d]; + dst[d+3072+1] = dst[d]; + dst[d+3072+2] = dst[d]; + dst[d+3072+3] = dst[d]; + } } } break; @@ -1359,6 +1401,34 @@ void GPU2D::DrawPixel_2x(u32* dst, u16 color, u32 flag) *(u64*)(dst+512) = val; } +void GPU2D::DrawPixel_4x(u32* dst, u16 color, u32 flag) +{ + u8 r = (color & 0x001F) << 1; + u8 g = (color & 0x03E0) >> 4; + u8 b = (color & 0x7C00) >> 9; + + u64 val = r | (g << 8) | (b << 16) | flag; + val |= (val << 32); + + *(u64*)(dst+4096) = *(u64*)dst; + *(u64*)(dst+4096+2) = *(u64*)(dst+2); + *(u64*)(dst+4096+1024) = *(u64*)(dst+1024); + *(u64*)(dst+4096+1024+2) = *(u64*)(dst+1024+2); + *(u64*)(dst+4096+2048) = *(u64*)(dst+2048); + *(u64*)(dst+4096+2048+2) = *(u64*)(dst+2048+2); + *(u64*)(dst+4096+3072) = *(u64*)(dst+3072); + *(u64*)(dst+4096+3072+2) = *(u64*)(dst+3072+2); + + *(u64*)dst = val; + *(u64*)(dst+2) = val; + *(u64*)(dst+1024) = val; + *(u64*)(dst+1024+2) = val; + *(u64*)(dst+2048) = val; + *(u64*)(dst+2048+2) = val; + *(u64*)(dst+3072) = val; + *(u64*)(dst+3072+2) = val; +} + void GPU2D::DrawBG_3D() { u16 xoff = BGXPos[0]; @@ -1415,6 +1485,37 @@ void GPU2D::DrawBG_3D() } } } + else if (LineScale == 2) + { + for (; i < iend; i++) + { + int is = i << 1; + int xs = xoff << 1; + u32 c; + + xoff++; + if (!(WindowMask[i] & 0x01)) continue; + + for (int by = 0; by < 4; by++) + { + for (int bx = 0; bx < 4; bx++) + { + c = _3DLine[xs]; + if ((c >> 24) != 0) + { + BGOBJLine[is+4096] = BGOBJLine[is]; + BGOBJLine[is] = c | 0x40000000; + } + + is++; + xs++; + } + + is += 1021; + xs += 1021; + } + } + } else { for (; i < iend; i++) diff --git a/src/GPU2D.h b/src/GPU2D.h index bc50e1a..aca1f7e 100644 --- a/src/GPU2D.h +++ b/src/GPU2D.h @@ -135,6 +135,7 @@ private: static void DrawPixel_1x(u32* dst, u16 color, u32 flag); static void DrawPixel_2x(u32* dst, u16 color, u32 flag); + static void DrawPixel_4x(u32* dst, u16 color, u32 flag); void (*DrawPixel)(u32* dst, u16 color, u32 flag); void DrawBG_3D(); |