AppleWin/source/Video.h

313 lines
9.1 KiB
C++

#pragma once
// in Windows it seems that the ALPHA value is irrelevant
// we have selected 0xFF since it works everywhere
// Windows
// SDL (SDL_PIXELFORMAT_ARGB8888)
// Qt (QImage::Format_ARGB32_Premultiplied)
#define ALPHA 0xFF // fully opaque
#define ALPHA32_MASK (ALPHA << 24)
#define SETRGBCOLOR(r, g, b) {b, g, r, ALPHA} // to create a RGBQUAD
#define OPAQUE_BLACK (0 | ALPHA32_MASK) // Black is RGB 0 0 0
// Types ____________________________________________________________
// NOTE: KEEP IN SYNC: VideoType_e g_aVideoChoices g_apVideoModeDesc
// NOTE: Used/Serialized by: g_eVideoType
enum VideoType_e
{
VT_MONO_CUSTOM
, VT_COLOR_IDEALIZED // Color rendering from AppleWin 1.25 (GH#357)
, VT_COLOR_VIDEOCARD_RGB // Real RGB card rendering
, VT_COLOR_MONITOR_NTSC // NTSC or PAL
, VT_COLOR_TV
, VT_MONO_TV
, VT_MONO_AMBER
, VT_MONO_GREEN
, VT_MONO_WHITE
, NUM_VIDEO_MODES
, VT_DEFAULT = VT_COLOR_TV
};
extern TCHAR g_aVideoChoices[];
enum VideoStyle_e
{
VS_NONE=0,
VS_HALF_SCANLINES=1, // drop 50% scan lines for a more authentic look
VS_COLOR_VERTICAL_BLEND=2, // Color "TV Emu" rendering from AppleWin 1.25 (GH#616)
// VS_TEXT_OPTIMIZED=4,
};
enum VideoRefreshRate_e
{
VR_NONE,
VR_50HZ,
VR_60HZ
};
enum VideoFlag_e
{
VF_80COL = 0x00000001,
VF_DHIRES = 0x00000002,
VF_HIRES = 0x00000004,
VF_80STORE= 0x00000008,
VF_MIXED = 0x00000010,
VF_PAGE2 = 0x00000020,
VF_TEXT = 0x00000040
};
enum AppleFont_e
{
// 40-Column mode is 1x Zoom (default)
// 80-Column mode is ~0.75x Zoom (7 x 16)
// Tiny mode is 0.5 zoom (7x8) for debugger
APPLE_FONT_WIDTH = 14, // in pixels
APPLE_FONT_HEIGHT = 16, // in pixels
// Each cell has a reserved aligned pixel area (grid spacing)
APPLE_FONT_CELL_WIDTH = 16,
APPLE_FONT_CELL_HEIGHT = 16,
// The bitmap contains 3 regions
// Each region is 256x256 pixels = 16x16 chars
APPLE_FONT_X_REGIONSIZE = 256, // in pixelx
APPLE_FONT_Y_REGIONSIZE = 256, // in pixels
// Starting Y offsets (pixels) for the regions
APPLE_FONT_Y_APPLE_2PLUS = 0, // ][+
APPLE_FONT_Y_APPLE_80COL = 256, // //e (inc. Mouse Text)
APPLE_FONT_Y_APPLE_40COL = 512, // ][
};
#ifdef _MSC_VER
// turn of MSVC struct member padding
#pragma pack(push,1)
#define PACKED
#else
#define PACKED // TODO: FIXME: gcc/clang __attribute__
#endif
// TODO: Replace with WinGDI.h / RGBQUAD
struct bgra_t
{
uint8_t b;
uint8_t g;
uint8_t r;
uint8_t a; // reserved on Win32
};
struct WinBmpHeader_t
{
// BITMAPFILEHEADER // Addr Size
uint8_t nCookie[2] ; // 0x00 0x02 BM
uint32_t nSizeFile ; // 0x02 0x04 0 = ignore
uint16_t nReserved1 ; // 0x06 0x02
uint16_t nReserved2 ; // 0x08 0x02
uint32_t nOffsetData ; // 0x0A 0x04
// == 0x0D (14)
// BITMAPINFOHEADER
uint32_t nStructSize ; // 0x0E 0x04 biSize
uint32_t nWidthPixels ; // 0x12 0x04 biWidth
uint32_t nHeightPixels ; // 0x16 0x04 biHeight
uint16_t nPlanes ; // 0x1A 0x02 biPlanes
uint16_t nBitsPerPixel ; // 0x1C 0x02 biBitCount
uint32_t nCompression ; // 0x1E 0x04 biCompression 0 = BI_RGB
uint32_t nSizeImage ; // 0x22 0x04 0 = ignore
uint32_t nXPelsPerMeter ; // 0x26 0x04
uint32_t nYPelsPerMeter ; // 0x2A 0x04
uint32_t nPaletteColors ; // 0x2E 0x04
uint32_t nImportantColors; // 0x32 0x04
// == 0x28 (40)
// RGBQUAD
// pixelmap
};
struct WinCIEXYZ
{
uint32_t r; // fixed point 2.30
uint32_t g; // fixed point 2.30
uint32_t b; // fixed point 2.30
};
struct WinBmpHeader4_t
{
// BITMAPFILEHEADER // Addr Size
uint8_t nCookie[2] ; // 0x00 0x02 BM
uint32_t nSizeFile ; // 0x02 0x04 0 = ignore
uint16_t nReserved1 ; // 0x06 0x02
uint16_t nReserved2 ; // 0x08 0x02
uint32_t nOffsetData ; // 0x0A 0x04
// ==== 0x0D (14)
// BITMAPINFOHEADER
uint32_t nStructSize ; // 0x0E 0x04 biSize
uint32_t nWidthPixels ; // 0x12 0x04 biWidth
uint32_t nHeightPixels ; // 0x16 0x04 biHeight
uint16_t nPlanes ; // 0x1A 0x02 biPlanes
uint16_t nBitsPerPixel ; // 0x1C 0x02 biBitCount
uint32_t nCompression ; // 0x1E 0x04 biCompression 0 = BI_RGB
uint32_t nSizeImage ; // 0x22 0x04 0 = ignore
uint32_t nXPelsPerMeter ; // 0x26 0x04
uint32_t nYPelsPerMeter ; // 0x2A 0x04
uint32_t nPaletteColors ; // 0x2E 0x04
uint32_t nImportantColors; // 0x32 0x04
// ==== 0x28 (40)
//BITMAPV4HEADER new fields
uint32_t nRedMask ; // 0x36 0x04
uint32_t nGreenMask ; // 0x3A 0x04
uint32_t nBlueMask ; // 0x3E 0x04
uint32_t nAlphaMask ; // 0x42 0x04
uint32_t nType ; // 0x46 0x04
uint32_t Rx, Ry, Rz ; // 0x4A 0x0C
uint32_t Gx, Gy, Gz ; // 0x56 0x0C
uint32_t Bx, By, Bz ; // 0x62 0x0C
uint32_t nRedGamma ; // 0x6E 0x04
uint32_t nGreenGamma ; // 0x72 0x04
uint32_t nBlueGamma ; // 0x76 0x04
};
#ifdef _MSC_VER
#pragma pack(pop)
#endif
//
class Video
{
public:
Video(void)
{
g_pFramebufferbits = NULL; // last drawn frame (initialized in WinVideoInitialize)
g_nAltCharSetOffset = 0;
g_uVideoMode = VF_TEXT;
g_eVideoType = VT_DEFAULT;
g_eVideoStyle = VS_HALF_SCANLINES;
g_bVideoScannerNTSC = true;
g_nMonochromeRGB = RGB(0xC0,0xC0,0xC0);
g_videoRomSize = 0;
g_videoRomRockerSwitch = false;
}
void Initialize(uint8_t* frameBuffer); // Do not call directly. Call FrameBase::Initialize()
void Destroy(void); // Call FrameBase::Destroy()
uint8_t* GetFrameBuffer(void) { return g_pFramebufferbits; }
// size of the video buffer stored in g_pFramebufferbits
UINT GetFrameBufferBorderlessWidth(void);
UINT GetFrameBufferBorderlessHeight(void);
UINT GetFrameBufferBorderWidth(void);
UINT GetFrameBufferBorderHeight(void);
UINT GetFrameBufferWidth(void);
UINT GetFrameBufferHeight(void);
COLORREF GetMonochromeRGB(void) { return g_nMonochromeRGB; }
void SetMonochromeRGB(COLORREF colorRef) { g_nMonochromeRGB = colorRef; }
void VideoReinitialize(bool bInitVideoScannerAddress);
void VideoResetState(void);
void VideoRefreshBuffer(uint32_t uRedrawWholeScreenVideoMode, bool bRedrawWholeScreen);
enum VideoScanner_e {VS_FullAddr, VS_PartialAddrV, VS_PartialAddrH};
WORD VideoGetScannerAddress(DWORD nCycles, VideoScanner_e videoScannerAddr = VS_FullAddr);
bool VideoGetVblBarEx(const DWORD dwCyclesThisFrame);
bool VideoGetVblBar(const DWORD uExecutedCycles);
bool VideoGetSW80COL(void);
bool VideoGetSWDHIRES(void);
bool VideoGetSWHIRES(void);
bool VideoGetSW80STORE(void);
bool VideoGetSWMIXED(void);
bool VideoGetSWPAGE2(void);
bool VideoGetSWTEXT(void);
bool VideoGetSWAltCharSet(void);
void VideoSaveSnapshot(class YamlSaveHelper& yamlSaveHelper);
void VideoLoadSnapshot(class YamlLoadHelper& yamlLoadHelper, UINT version);
enum VideoScreenShot_e
{
SCREENSHOT_560x384 = 0,
SCREENSHOT_280x192
};
void Video_SetBitmapHeader(WinBmpHeader_t *pBmp, int nWidth, int nHeight, int nBitsPerPixel);
void Video_MakeScreenShot(FILE* pFile, const VideoScreenShot_e ScreenShotType);
BYTE VideoSetMode(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles);
bool ReadVideoRomFile(const char* pRomFile);
UINT GetVideoRom(const BYTE*& pVideoRom);
bool GetVideoRomRockerSwitch(void);
void SetVideoRomRockerSwitch(bool state);
bool IsVideoRom4K(void);
void Config_Load_Video(void);
void Config_Save_Video(void);
uint32_t GetVideoMode(void);
void SetVideoMode(uint32_t videoMode);
VideoType_e GetVideoType(void);
void SetVideoType(VideoType_e newVideoType);
void IncVideoType(void);
void DecVideoType(void);
VideoStyle_e GetVideoStyle(void);
void SetVideoStyle(VideoStyle_e newVideoStyle);
bool IsVideoStyle(VideoStyle_e mask);
VideoRefreshRate_e GetVideoRefreshRate(void);
void SetVideoRefreshRate(VideoRefreshRate_e rate);
const char* VideoGetAppWindowTitle(void);
const char* GetVideoChoices(void) { return g_aVideoChoices; }
static const UINT kVideoRomSize2K = 1024*2;
static const UINT kVideoRomSize4K = kVideoRomSize2K*2;
protected:
uint8_t *g_pFramebufferbits;
private:
void SetFrameBuffer(uint8_t* frameBuffer) { g_pFramebufferbits = frameBuffer; }
std::string VideoGetSnapshotStructName(void);
int g_nAltCharSetOffset;
uint32_t g_uVideoMode; // Current Video Mode (this is the last set one as it may change mid-scan line!)
DWORD g_eVideoType; // saved to Registry
VideoStyle_e g_eVideoStyle;
bool g_bVideoScannerNTSC; // NTSC video scanning (or PAL)
COLORREF g_nMonochromeRGB; // saved to Registry
WinBmpHeader_t g_tBmpHeader;
static const int kVDisplayableScanLines = 192; // max displayable scanlines
static const UINT kVideoRomSize8K = kVideoRomSize4K*2;
static const UINT kVideoRomSize16K = kVideoRomSize8K*2;
static const UINT kVideoRomSizeMax = kVideoRomSize16K;
BYTE g_videoRom[kVideoRomSizeMax];
UINT g_videoRomSize;
bool g_videoRomRockerSwitch;
static const char g_aVideoChoices[];
static const char m_szModeDesc0[];
static const char m_szModeDesc1[];
static const char m_szModeDesc2[];
static const char m_szModeDesc3[];
static const char m_szModeDesc4[];
static const char m_szModeDesc5[];
static const char m_szModeDesc6[];
static const char m_szModeDesc7[];
static const char m_szModeDesc8[];
static const char* const g_apVideoModeDesc[NUM_VIDEO_MODES];
};