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snes9x/gfx.cpp

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Use a license stub everywhere. This points to the full license in the root directory.
2018-11-15 23:31:39 +00:00
/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
Initial 1.52 import
2010-09-25 15:46:12 +00:00
#include "snes9x.h"
#include "ppu.h"
#include "tile.h"
#include "controls.h"
#include "crosshairs.h"
#include "cheats.h"
#include "movie.h"
#include "screenshot.h"
#include "font.h"
#include "display.h"
extern struct SCheatData Cheat;
extern struct SLineData LineData[240];
extern struct SLineMatrixData LineMatrixData[240];
void S9xComputeClipWindows (void);
static int font_width = 8, font_height = 9;
GTK+: Patch into S9xCustomDisplayString. Fix issue with overlay on overscanned height.
2018-11-17 22:12:06 +00:00
void (*S9xCustomDisplayString) (const char *, int, int, bool) = NULL;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
static void SetupOBJ (void);
static void DrawOBJS (int);
static void DisplayFrameRate (void);
static void DisplayPressedKeys (void);
static void DisplayWatchedAddresses (void);
static void DisplayStringFromBottom (const char *, int, int, bool);
static void DrawBackground (int, uint8, uint8);
static void DrawBackgroundMosaic (int, uint8, uint8);
static void DrawBackgroundOffset (int, uint8, uint8, int);
static void DrawBackgroundOffsetMosaic (int, uint8, uint8, int);
static inline void DrawBackgroundMode7 (int, void (*DrawMath) (uint32, uint32, int), void (*DrawNomath) (uint32, uint32, int), int);
static inline void DrawBackdrop (void);
static inline void RenderScreen (bool8);
static uint16 get_crosshair_color (uint8);
#define TILE_PLUS(t, x) (((t) & 0xfc00) | ((t + x) & 0x3ff))
bool8 S9xGraphicsInit (void)
{
S9xInitTileRenderer();
Change ZeroMemory to memset
2012-01-23 17:12:47 +00:00
memset(BlackColourMap, 0, 256 * sizeof(uint16));
Initial 1.52 import
2010-09-25 15:46:12 +00:00
#ifdef GFX_MULTI_FORMAT
if (GFX.BuildPixel == NULL)
S9xSetRenderPixelFormat(RGB565);
#endif
GFX.DoInterlace = 0;
GFX.InterlaceFrame = 0;
GFX.RealPPL = GFX.Pitch >> 1;
IPPU.OBJChanged = TRUE;
Settings.BG_Forced = 0;
S9xFixColourBrightness();
Move color table generation out of tile renderer.
2018-04-11 17:45:06 +00:00
S9xBuildDirectColourMaps();
Initial 1.52 import
2010-09-25 15:46:12 +00:00
GFX.X2 = (uint16 *) malloc(sizeof(uint16) * 0x10000);
GFX.ZERO = (uint16 *) malloc(sizeof(uint16) * 0x10000);
GFX.ScreenSize = GFX.Pitch / 2 * SNES_HEIGHT_EXTENDED * (Settings.SupportHiRes ? 2 : 1);
GFX.SubScreen = (uint16 *) malloc(GFX.ScreenSize * sizeof(uint16));
GFX.ZBuffer = (uint8 *) malloc(GFX.ScreenSize);
GFX.SubZBuffer = (uint8 *) malloc(GFX.ScreenSize);
if (!GFX.X2 || !GFX.ZERO || !GFX.SubScreen || !GFX.ZBuffer || !GFX.SubZBuffer)
{
S9xGraphicsDeinit();
return (FALSE);
}
// Lookup table for color addition
Change ZeroMemory to memset
2012-01-23 17:12:47 +00:00
memset(GFX.X2, 0, 0x10000 * sizeof(uint16));
Initial 1.52 import
2010-09-25 15:46:12 +00:00
for (uint32 r = 0; r <= MAX_RED; r++)
{
uint32 r2 = r << 1;
if (r2 > MAX_RED)
r2 = MAX_RED;
for (uint32 g = 0; g <= MAX_GREEN; g++)
{
uint32 g2 = g << 1;
if (g2 > MAX_GREEN)
g2 = MAX_GREEN;
for (uint32 b = 0; b <= MAX_BLUE; b++)
{
uint32 b2 = b << 1;
if (b2 > MAX_BLUE)
b2 = MAX_BLUE;
GFX.X2[BUILD_PIXEL2(r, g, b)] = BUILD_PIXEL2(r2, g2, b2);
GFX.X2[BUILD_PIXEL2(r, g, b) & ~ALPHA_BITS_MASK] = BUILD_PIXEL2(r2, g2, b2);
}
}
}
// Lookup table for 1/2 color subtraction
Change ZeroMemory to memset
2012-01-23 17:12:47 +00:00
memset(GFX.ZERO, 0, 0x10000 * sizeof(uint16));
Initial 1.52 import
2010-09-25 15:46:12 +00:00
for (uint32 r = 0; r <= MAX_RED; r++)
{
uint32 r2 = r;
if (r2 & 0x10)
r2 &= ~0x10;
else
r2 = 0;
for (uint32 g = 0; g <= MAX_GREEN; g++)
{
uint32 g2 = g;
if (g2 & GREEN_HI_BIT)
g2 &= ~GREEN_HI_BIT;
else
g2 = 0;
for (uint32 b = 0; b <= MAX_BLUE; b++)
{
uint32 b2 = b;
if (b2 & 0x10)
b2 &= ~0x10;
else
b2 = 0;
GFX.ZERO[BUILD_PIXEL2(r, g, b)] = BUILD_PIXEL2(r2, g2, b2);
GFX.ZERO[BUILD_PIXEL2(r, g, b) & ~ALPHA_BITS_MASK] = BUILD_PIXEL2(r2, g2, b2);
}
}
}
return (TRUE);
}
void S9xGraphicsDeinit (void)
{
if (GFX.X2) { free(GFX.X2); GFX.X2 = NULL; }
if (GFX.ZERO) { free(GFX.ZERO); GFX.ZERO = NULL; }
if (GFX.SubScreen) { free(GFX.SubScreen); GFX.SubScreen = NULL; }
if (GFX.ZBuffer) { free(GFX.ZBuffer); GFX.ZBuffer = NULL; }
if (GFX.SubZBuffer) { free(GFX.SubZBuffer); GFX.SubZBuffer = NULL; }
}
resize viewport on load state
2018-08-23 22:35:15 +00:00
void S9xGraphicsScreenResize (void)
{
IPPU.MaxBrightness = PPU.Brightness;
IPPU.Interlace = Memory.FillRAM[0x2133] & 1;
IPPU.InterlaceOBJ = Memory.FillRAM[0x2133] & 2;
IPPU.PseudoHires = Memory.FillRAM[0x2133] & 8;
if (Settings.SupportHiRes && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires))
{
GFX.RealPPL = GFX.Pitch >> 1;
IPPU.DoubleWidthPixels = TRUE;
IPPU.RenderedScreenWidth = SNES_WIDTH << 1;
}
else
{
#ifdef USE_OPENGL
if (Settings.OpenGLEnable)
GFX.RealPPL = SNES_WIDTH;
else
#endif
GFX.RealPPL = GFX.Pitch >> 1;
IPPU.DoubleWidthPixels = FALSE;
IPPU.RenderedScreenWidth = SNES_WIDTH;
}
if (Settings.SupportHiRes && IPPU.Interlace)
{
GFX.PPL = GFX.RealPPL << 1;
IPPU.DoubleHeightPixels = TRUE;
IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
GFX.DoInterlace++;
}
else
{
GFX.PPL = GFX.RealPPL;
IPPU.DoubleHeightPixels = FALSE;
IPPU.RenderedScreenHeight = PPU.ScreenHeight;
}
}
Initial 1.52 import
2010-09-25 15:46:12 +00:00
void S9xBuildDirectColourMaps (void)
{
IPPU.XB = mul_brightness[PPU.Brightness];
for (uint32 p = 0; p < 8; p++)
for (uint32 c = 0; c < 256; c++)
DirectColourMaps[p][c] = BUILD_PIXEL(IPPU.XB[((c & 7) << 2) | ((p & 1) << 1)], IPPU.XB[((c & 0x38) >> 1) | (p & 2)], IPPU.XB[((c & 0xc0) >> 3) | (p & 4)]);
}
void S9xStartScreenRefresh (void)
{
Don't break interlace syncopation on frame skip. Unfortunately, save states with the wrong field are now broken forever.
2017-11-22 18:36:02 +00:00
GFX.InterlaceFrame = !GFX.InterlaceFrame;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
if (IPPU.RenderThisFrame)
{
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
if (!GFX.DoInterlace || !GFX.InterlaceFrame)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
if (!S9xInitUpdate())
{
IPPU.RenderThisFrame = FALSE;
return;
}
if (GFX.DoInterlace)
GFX.DoInterlace--;
resize viewport on load state
2018-08-23 22:35:15 +00:00
S9xGraphicsScreenResize();
Initial 1.52 import
2010-09-25 15:46:12 +00:00
IPPU.RenderedFramesCount++;
}
PPU.MosaicStart = 0;
PPU.RecomputeClipWindows = TRUE;
IPPU.PreviousLine = IPPU.CurrentLine = 0;
Change ZeroMemory to memset
2012-01-23 17:12:47 +00:00
memset(GFX.ZBuffer, 0, GFX.ScreenSize);
memset(GFX.SubZBuffer, 0, GFX.ScreenSize);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
if (++IPPU.FrameCount % Memory.ROMFramesPerSecond == 0)
{
IPPU.DisplayedRenderedFrameCount = IPPU.RenderedFramesCount;
IPPU.RenderedFramesCount = 0;
IPPU.FrameCount = 0;
}
if (GFX.InfoStringTimeout > 0 && --GFX.InfoStringTimeout == 0)
GFX.InfoString = NULL;
IPPU.TotalEmulatedFrames++;
}
void S9xEndScreenRefresh (void)
{
if (IPPU.RenderThisFrame)
{
FLUSH_REDRAW();
if (GFX.DoInterlace && GFX.InterlaceFrame == 0)
{
S9xControlEOF();
S9xContinueUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
}
else
{
if (IPPU.ColorsChanged)
{
uint32 saved = PPU.CGDATA[0];
IPPU.ColorsChanged = FALSE;
S9xSetPalette();
PPU.CGDATA[0] = saved;
}
S9xControlEOF();
if (Settings.TakeScreenshot)
S9xDoScreenshot(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
if (Settings.AutoDisplayMessages)
S9xDisplayMessages(GFX.Screen, GFX.RealPPL, IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight, 1);
S9xDeinitUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
}
}
else
S9xControlEOF();
Revamping cheats support.
2018-04-26 00:29:26 +00:00
S9xUpdateCheatsInMemory ();
Initial 1.52 import
2010-09-25 15:46:12 +00:00
#ifdef DEBUGGER
if (CPU.Flags & FRAME_ADVANCE_FLAG)
{
if (ICPU.FrameAdvanceCount)
{
ICPU.FrameAdvanceCount--;
IPPU.RenderThisFrame = TRUE;
IPPU.FrameSkip = 0;
}
else
{
CPU.Flags &= ~FRAME_ADVANCE_FLAG;
CPU.Flags |= DEBUG_MODE_FLAG;
}
}
#endif
if (CPU.SRAMModified)
{
if (!CPU.AutoSaveTimer)
{
if (!(CPU.AutoSaveTimer = Settings.AutoSaveDelay * Memory.ROMFramesPerSecond))
CPU.SRAMModified = FALSE;
}
else
{
if (!--CPU.AutoSaveTimer)
{
S9xAutoSaveSRAM();
CPU.SRAMModified = FALSE;
}
}
}
}
void RenderLine (uint8 C)
{
if (IPPU.RenderThisFrame)
{
LineData[C].BG[0].VOffset = PPU.BG[0].VOffset + 1;
LineData[C].BG[0].HOffset = PPU.BG[0].HOffset;
LineData[C].BG[1].VOffset = PPU.BG[1].VOffset + 1;
LineData[C].BG[1].HOffset = PPU.BG[1].HOffset;
if (PPU.BGMode == 7)
{
struct SLineMatrixData *p = &LineMatrixData[C];
p->MatrixA = PPU.MatrixA;
p->MatrixB = PPU.MatrixB;
p->MatrixC = PPU.MatrixC;
p->MatrixD = PPU.MatrixD;
p->CentreX = PPU.CentreX;
p->CentreY = PPU.CentreY;
p->M7HOFS = PPU.M7HOFS;
p->M7VOFS = PPU.M7VOFS;
}
else
{
LineData[C].BG[2].VOffset = PPU.BG[2].VOffset + 1;
LineData[C].BG[2].HOffset = PPU.BG[2].HOffset;
LineData[C].BG[3].VOffset = PPU.BG[3].VOffset + 1;
LineData[C].BG[3].HOffset = PPU.BG[3].HOffset;
}
IPPU.CurrentLine = C + 1;
}
else
{
// if we're not rendering this frame, we still need to update this
// XXX: Check ForceBlank? Or anything else?
if (IPPU.OBJChanged)
SetupOBJ();
PPU.RangeTimeOver |= GFX.OBJLines[C].RTOFlags;
}
}
static inline void RenderScreen (bool8 sub)
{
uint8 BGActive;
int D;
if (!sub)
{
GFX.S = GFX.Screen;
if (GFX.DoInterlace && GFX.InterlaceFrame)
GFX.S += GFX.RealPPL;
GFX.DB = GFX.ZBuffer;
GFX.Clip = IPPU.Clip[0];
BGActive = Memory.FillRAM[0x212c] & ~Settings.BG_Forced;
D = 32;
}
else
{
GFX.S = GFX.SubScreen;
GFX.DB = GFX.SubZBuffer;
GFX.Clip = IPPU.Clip[1];
BGActive = Memory.FillRAM[0x212d] & ~Settings.BG_Forced;
D = (Memory.FillRAM[0x2130] & 2) << 4; // 'do math' depth flag
}
if (BGActive & 0x10)
{
BG.TileAddress = PPU.OBJNameBase;
BG.NameSelect = PPU.OBJNameSelect;
BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 0x10);
BG.StartPalette = 128;
S9xSelectTileConverter(4, FALSE, sub, FALSE);
S9xSelectTileRenderers(PPU.BGMode, sub, TRUE);
DrawOBJS(D + 4);
}
BG.NameSelect = 0;
S9xSelectTileRenderers(PPU.BGMode, sub, FALSE);
#define DO_BG(n, pal, depth, hires, offset, Zh, Zl, voffoff) \
if (BGActive & (1 << n)) \
{ \
BG.StartPalette = pal; \
BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & (1 << n)); \
BG.TileSizeH = (!hires && PPU.BG[n].BGSize) ? 16 : 8; \
BG.TileSizeV = (PPU.BG[n].BGSize) ? 16 : 8; \
S9xSelectTileConverter(depth, hires, sub, PPU.BGMosaic[n]); \
\
if (offset) \
{ \
BG.OffsetSizeH = (!hires && PPU.BG[2].BGSize) ? 16 : 8; \
BG.OffsetSizeV = (PPU.BG[2].BGSize) ? 16 : 8; \
\
if (PPU.BGMosaic[n] && (hires || PPU.Mosaic > 1)) \
DrawBackgroundOffsetMosaic(n, D + Zh, D + Zl, voffoff); \
else \
DrawBackgroundOffset(n, D + Zh, D + Zl, voffoff); \
} \
else \
{ \
if (PPU.BGMosaic[n] && (hires || PPU.Mosaic > 1)) \
DrawBackgroundMosaic(n, D + Zh, D + Zl); \
else \
DrawBackground(n, D + Zh, D + Zl); \
} \
}
switch (PPU.BGMode)
{
case 0:
DO_BG(0, 0, 2, FALSE, FALSE, 15, 11, 0);
DO_BG(1, 32, 2, FALSE, FALSE, 14, 10, 0);
DO_BG(2, 64, 2, FALSE, FALSE, 7, 3, 0);
DO_BG(3, 96, 2, FALSE, FALSE, 6, 2, 0);
break;
case 1:
DO_BG(0, 0, 4, FALSE, FALSE, 15, 11, 0);
DO_BG(1, 0, 4, FALSE, FALSE, 14, 10, 0);
DO_BG(2, 0, 2, FALSE, FALSE, (PPU.BG3Priority ? 17 : 7), 3, 0);
break;
case 2:
DO_BG(0, 0, 4, FALSE, TRUE, 15, 7, 8);
DO_BG(1, 0, 4, FALSE, TRUE, 11, 3, 8);
break;
case 3:
DO_BG(0, 0, 8, FALSE, FALSE, 15, 7, 0);
DO_BG(1, 0, 4, FALSE, FALSE, 11, 3, 0);
break;
case 4:
DO_BG(0, 0, 8, FALSE, TRUE, 15, 7, 0);
DO_BG(1, 0, 2, FALSE, TRUE, 11, 3, 0);
break;
case 5:
DO_BG(0, 0, 4, TRUE, FALSE, 15, 7, 0);
DO_BG(1, 0, 2, TRUE, FALSE, 11, 3, 0);
break;
case 6:
DO_BG(0, 0, 4, TRUE, TRUE, 15, 7, 8);
break;
case 7:
if (BGActive & 0x01)
{
BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 1);
DrawBackgroundMode7(0, GFX.DrawMode7BG1Math, GFX.DrawMode7BG1Nomath, D);
}
if ((Memory.FillRAM[0x2133] & 0x40) && (BGActive & 0x02))
{
BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 2);
DrawBackgroundMode7(1, GFX.DrawMode7BG2Math, GFX.DrawMode7BG2Nomath, D);
}
break;
}
#undef DO_BG
BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 0x20);
DrawBackdrop();
}
void S9xUpdateScreen (void)
{
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
if (IPPU.OBJChanged || IPPU.InterlaceOBJ)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
SetupOBJ();
// XXX: Check ForceBlank? Or anything else?
PPU.RangeTimeOver |= GFX.OBJLines[GFX.EndY].RTOFlags;
GFX.StartY = IPPU.PreviousLine;
if ((GFX.EndY = IPPU.CurrentLine - 1) >= PPU.ScreenHeight)
GFX.EndY = PPU.ScreenHeight - 1;
if (!PPU.ForcedBlanking)
{
// If force blank, may as well completely skip all this. We only did
// the OBJ because (AFAWK) the RTO flags are updated even during force-blank.
if (PPU.RecomputeClipWindows)
{
S9xComputeClipWindows();
PPU.RecomputeClipWindows = FALSE;
}
if (Settings.SupportHiRes)
{
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
if (!IPPU.DoubleWidthPixels && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires))
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
Put back the stuff that broke the Mac port.
2018-07-02 22:41:34 +00:00
#ifdef USE_OPENGL
if (Settings.OpenGLEnable && GFX.RealPPL == 256)
{
// Have to back out of the speed up hack where the low res.
// SNES image was rendered into a 256x239 sized buffer,
// ignoring the true, larger size of the buffer.
GFX.RealPPL = GFX.Pitch >> 1;
Remove useless 'register' storage class. It's deprecated, and any compiler we use now ignores it.
2018-11-17 21:02:37 +00:00
for (int32 y = (int32) GFX.StartY - 1; y >= 0; y--)
Put back the stuff that broke the Mac port.
2018-07-02 22:41:34 +00:00
{
Remove useless 'register' storage class. It's deprecated, and any compiler we use now ignores it.
2018-11-17 21:02:37 +00:00
uint16 *p = GFX.Screen + y * GFX.PPL + 255;
uint16 *q = GFX.Screen + y * GFX.RealPPL + 510;
Put back the stuff that broke the Mac port.
2018-07-02 22:41:34 +00:00
Remove useless 'register' storage class. It's deprecated, and any compiler we use now ignores it.
2018-11-17 21:02:37 +00:00
for (int x = 255; x >= 0; x--, p--, q -= 2)
Put back the stuff that broke the Mac port.
2018-07-02 22:41:34 +00:00
*q = *(q + 1) = *p;
}
GFX.PPL = GFX.RealPPL; // = GFX.Pitch >> 1 above
}
else
#endif
Disable interlace mode for bg modes not 5 or 6.
2018-06-25 23:02:10 +00:00
// Have to back out of the regular speed hack
Remove useless 'register' storage class. It's deprecated, and any compiler we use now ignores it.
2018-11-17 21:02:37 +00:00
for (uint32 y = 0; y < GFX.StartY; y++)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
Remove useless 'register' storage class. It's deprecated, and any compiler we use now ignores it.
2018-11-17 21:02:37 +00:00
uint16 *p = GFX.Screen + y * GFX.PPL + 255;
uint16 *q = GFX.Screen + y * GFX.PPL + 510;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
Remove useless 'register' storage class. It's deprecated, and any compiler we use now ignores it.
2018-11-17 21:02:37 +00:00
for (int x = 255; x >= 0; x--, p--, q -= 2)
Disable interlace mode for bg modes not 5 or 6.
2018-06-25 23:02:10 +00:00
*q = *(q + 1) = *p;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
IPPU.DoubleWidthPixels = TRUE;
IPPU.RenderedScreenWidth = 512;
}
Rework mid-frame interlace handling (ASP briefing screen)
2011-10-23 21:29:10 +00:00
if (!IPPU.DoubleHeightPixels && IPPU.Interlace && (PPU.BGMode == 5 || PPU.BGMode == 6))
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
IPPU.DoubleHeightPixels = TRUE;
IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
GFX.PPL = GFX.RealPPL << 1;
GFX.DoInterlace = 2;
Remove useless 'register' storage class. It's deprecated, and any compiler we use now ignores it.
2018-11-17 21:02:37 +00:00
for (int32 y = (int32) GFX.StartY - 2; y >= 0; y--)
Fix line doubling in interlaced mode.
2018-06-01 16:20:31 +00:00
memmove(GFX.Screen + (y + 1) * GFX.PPL, GFX.Screen + y * GFX.RealPPL, GFX.PPL * sizeof(uint16));
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
}
if ((Memory.FillRAM[0x2130] & 0x30) != 0x30 && (Memory.FillRAM[0x2131] & 0x3f))
GFX.FixedColour = BUILD_PIXEL(IPPU.XB[PPU.FixedColourRed], IPPU.XB[PPU.FixedColourGreen], IPPU.XB[PPU.FixedColourBlue]);
if (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires ||
((Memory.FillRAM[0x2130] & 0x30) != 0x30 && (Memory.FillRAM[0x2130] & 2) && (Memory.FillRAM[0x2131] & 0x3f) && (Memory.FillRAM[0x212d] & 0x1f)))
// If hires (Mode 5/6 or pseudo-hires) or math is to be done
// involving the subscreen, then we need to render the subscreen...
RenderScreen(TRUE);
RenderScreen(FALSE);
}
else
{
const uint16 black = BUILD_PIXEL(0, 0, 0);
GFX.S = GFX.Screen + GFX.StartY * GFX.PPL;
if (GFX.DoInterlace && GFX.InterlaceFrame)
GFX.S += GFX.RealPPL;
for (uint32 l = GFX.StartY; l <= GFX.EndY; l++, GFX.S += GFX.PPL)
for (int x = 0; x < IPPU.RenderedScreenWidth; x++)
GFX.S[x] = black;
}
IPPU.PreviousLine = IPPU.CurrentLine;
}
static void SetupOBJ (void)
{
int SmallWidth, SmallHeight, LargeWidth, LargeHeight;
switch (PPU.OBJSizeSelect)
{
case 0:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 16;
break;
case 1:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 32;
break;
case 2:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 64;
break;
case 3:
SmallWidth = SmallHeight = 16;
LargeWidth = LargeHeight = 32;
break;
case 4:
SmallWidth = SmallHeight = 16;
LargeWidth = LargeHeight = 64;
break;
case 5:
default:
SmallWidth = SmallHeight = 32;
LargeWidth = LargeHeight = 64;
break;
case 6:
SmallWidth = 16; SmallHeight = 32;
LargeWidth = 32; LargeHeight = 64;
break;
case 7:
SmallWidth = 16; SmallHeight = 32;
LargeWidth = LargeHeight = 32;
break;
}
int inc = IPPU.InterlaceOBJ ? 2 : 1;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
int startline = (IPPU.InterlaceOBJ && GFX.InterlaceFrame) ? 1 : 0;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
// OK, we have three cases here. Either there's no priority, priority is
// normal FirstSprite, or priority is FirstSprite+Y. The first two are
// easy, the last is somewhat more ... interesting. So we split them up.
int Height;
uint8 S;
if (!PPU.OAMPriorityRotation || !(PPU.OAMFlip & PPU.OAMAddr & 1)) // normal case
{
uint8 LineOBJ[SNES_HEIGHT_EXTENDED];
Change ZeroMemory to memset
2012-01-23 17:12:47 +00:00
memset(LineOBJ, 0, sizeof(LineOBJ));
Initial 1.52 import
2010-09-25 15:46:12 +00:00
for (int i = 0; i < SNES_HEIGHT_EXTENDED; i++)
{
GFX.OBJLines[i].RTOFlags = 0;
Add overclock and sprite limit options.
2018-08-06 20:51:35 +00:00
GFX.OBJLines[i].Tiles = Settings.MaxSpriteTilesPerLine;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
for (int j = 0; j < 32; j++)
GFX.OBJLines[i].OBJ[j].Sprite = -1;
}
uint8 FirstSprite = PPU.FirstSprite;
S = FirstSprite;
do
{
if (PPU.OBJ[S].Size)
{
GFX.OBJWidths[S] = LargeWidth;
Height = LargeHeight;
}
else
{
GFX.OBJWidths[S] = SmallWidth;
Height = SmallHeight;
}
int HPos = PPU.OBJ[S].HPos;
if (HPos == -256)
HPos = 0;
if (HPos > -GFX.OBJWidths[S] && HPos <= 256)
{
if (HPos < 0)
GFX.OBJVisibleTiles[S] = (GFX.OBJWidths[S] + HPos + 7) >> 3;
else
if (HPos + GFX.OBJWidths[S] > 255)
GFX.OBJVisibleTiles[S] = (256 - HPos + 7) >> 3;
else
GFX.OBJVisibleTiles[S] = GFX.OBJWidths[S] >> 3;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
for (uint8 line = startline, Y = (uint8) (PPU.OBJ[S].VPos & 0xff); line < Height; Y++, line += inc)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
if (Y >= SNES_HEIGHT_EXTENDED)
continue;
if (LineOBJ[Y] >= 32)
{
GFX.OBJLines[Y].RTOFlags |= 0x40;
continue;
}
GFX.OBJLines[Y].Tiles -= GFX.OBJVisibleTiles[S];
if (GFX.OBJLines[Y].Tiles < 0)
GFX.OBJLines[Y].RTOFlags |= 0x80;
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Sprite = S;
if (PPU.OBJ[S].VFlip)
// Yes, Width not Height. It so happens that the
// sprites with H=2*W flip as two WxW sprites.
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Line = line ^ (GFX.OBJWidths[S] - 1);
else
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Line = line;
LineOBJ[Y]++;
}
}
S = (S + 1) & 0x7f;
} while (S != FirstSprite);
for (int Y = 1; Y < SNES_HEIGHT_EXTENDED; Y++)
GFX.OBJLines[Y].RTOFlags |= GFX.OBJLines[Y - 1].RTOFlags;
}
else // evil FirstSprite+Y case
{
// First, find out which sprites are on which lines
gfx.cpp: memset less memory at once for FirstSprite+Y, accelerating sprite rendering if not all lines have sprites.
2013-04-16 02:25:27 +00:00
uint8 OBJOnLine[SNES_HEIGHT_EXTENDED][128];
// memset(OBJOnLine, 0, sizeof(OBJOnLine));
/* Hold on here, that's a lot of bytes to initialise at once!
* So we only initialise them per line, as needed. [Neb]
* Bonus: We can quickly avoid looping if a line has no OBJs.
*/
bool8 AnyOBJOnLine[SNES_HEIGHT_EXTENDED];
memset(AnyOBJOnLine, FALSE, sizeof(AnyOBJOnLine)); // better
Initial 1.52 import
2010-09-25 15:46:12 +00:00
for (S = 0; S < 128; S++)
{
if (PPU.OBJ[S].Size)
{
GFX.OBJWidths[S] = LargeWidth;
Height = LargeHeight;
}
else
{
GFX.OBJWidths[S] = SmallWidth;
Height = SmallHeight;
}
int HPos = PPU.OBJ[S].HPos;
if (HPos == -256)
HPos = 256;
if (HPos > -GFX.OBJWidths[S] && HPos <= 256)
{
if (HPos < 0)
GFX.OBJVisibleTiles[S] = (GFX.OBJWidths[S] + HPos + 7) >> 3;
else
if (HPos + GFX.OBJWidths[S] >= 257)
GFX.OBJVisibleTiles[S] = (257 - HPos + 7) >> 3;
else
GFX.OBJVisibleTiles[S] = GFX.OBJWidths[S] >> 3;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
for (uint8 line = startline, Y = (uint8) (PPU.OBJ[S].VPos & 0xff); line < Height; Y++, line += inc)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
if (Y >= SNES_HEIGHT_EXTENDED)
continue;
gfx.cpp: memset less memory at once for FirstSprite+Y, accelerating sprite rendering if not all lines have sprites.
2013-04-16 02:25:27 +00:00
if (!AnyOBJOnLine[Y]) {
memset(OBJOnLine[Y], 0, sizeof(OBJOnLine[Y]));
AnyOBJOnLine[Y] = TRUE;
}
Initial 1.52 import
2010-09-25 15:46:12 +00:00
if (PPU.OBJ[S].VFlip)
// Yes, Width not Height. It so happens that the
// sprites with H=2*W flip as two WxW sprites.
OBJOnLine[Y][S] = (line ^ (GFX.OBJWidths[S] - 1)) | 0x80;
else
OBJOnLine[Y][S] = line | 0x80;
}
}
}
// Now go through and pull out those OBJ that are actually visible.
int j;
for (int Y = 0; Y < SNES_HEIGHT_EXTENDED; Y++)
{
GFX.OBJLines[Y].RTOFlags = Y ? GFX.OBJLines[Y - 1].RTOFlags : 0;
Add overclock and sprite limit options.
2018-08-06 20:51:35 +00:00
GFX.OBJLines[Y].Tiles = Settings.MaxSpriteTilesPerLine;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint8 FirstSprite = (PPU.FirstSprite + Y) & 0x7f;
S = FirstSprite;
j = 0;
gfx.cpp: memset less memory at once for FirstSprite+Y, accelerating sprite rendering if not all lines have sprites.
2013-04-16 02:25:27 +00:00
if (AnyOBJOnLine[Y])
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
gfx.cpp: memset less memory at once for FirstSprite+Y, accelerating sprite rendering if not all lines have sprites.
2013-04-16 02:25:27 +00:00
do
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
gfx.cpp: memset less memory at once for FirstSprite+Y, accelerating sprite rendering if not all lines have sprites.
2013-04-16 02:25:27 +00:00
if (OBJOnLine[Y][S])
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
gfx.cpp: memset less memory at once for FirstSprite+Y, accelerating sprite rendering if not all lines have sprites.
2013-04-16 02:25:27 +00:00
if (j >= 32)
{
GFX.OBJLines[Y].RTOFlags |= 0x40;
break;
}
GFX.OBJLines[Y].Tiles -= GFX.OBJVisibleTiles[S];
if (GFX.OBJLines[Y].Tiles < 0)
GFX.OBJLines[Y].RTOFlags |= 0x80;
GFX.OBJLines[Y].OBJ[j].Sprite = S;
GFX.OBJLines[Y].OBJ[j++].Line = OBJOnLine[Y][S] & ~0x80;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
gfx.cpp: memset less memory at once for FirstSprite+Y, accelerating sprite rendering if not all lines have sprites.
2013-04-16 02:25:27 +00:00
S = (S + 1) & 0x7f;
} while (S != FirstSprite);
}
Initial 1.52 import
2010-09-25 15:46:12 +00:00
if (j < 32)
GFX.OBJLines[Y].OBJ[j].Sprite = -1;
}
}
IPPU.OBJChanged = FALSE;
}
Fix pragma warning on clang.
2018-11-17 21:16:03 +00:00
#if defined(__GNUC__) && !defined(__clang__)
Disable tree-vrp on GCC for this function. GCC miscompiles it.
2018-06-02 19:28:43 +00:00
#pragma GCC push_options
#pragma GCC optimize ("no-tree-vrp")
Fix pragma warning on clang.
2018-11-17 21:16:03 +00:00
#endif
Initial 1.52 import
2010-09-25 15:46:12 +00:00
static void DrawOBJS (int D)
{
void (*DrawTile) (uint32, uint32, uint32, uint32) = NULL;
void (*DrawClippedTile) (uint32, uint32, uint32, uint32, uint32, uint32) = NULL;
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
BG.InterlaceLine = GFX.InterlaceFrame ? 8 : 0;
GFX.Z1 = 2;
for (uint32 Y = GFX.StartY, Offset = Y * GFX.PPL; Y <= GFX.EndY; Y++, Offset += GFX.PPL)
{
int I = 0;
int tiles = GFX.OBJLines[Y].Tiles;
for (int S = GFX.OBJLines[Y].OBJ[I].Sprite; S >= 0 && I < 32; S = GFX.OBJLines[Y].OBJ[++I].Sprite)
{
tiles += GFX.OBJVisibleTiles[S];
if (tiles <= 0)
continue;
int BaseTile = (((GFX.OBJLines[Y].OBJ[I].Line << 1) + (PPU.OBJ[S].Name & 0xf0)) & 0xf0) | (PPU.OBJ[S].Name & 0x100) | (PPU.OBJ[S].Palette << 10);
int TileX = PPU.OBJ[S].Name & 0x0f;
int TileLine = (GFX.OBJLines[Y].OBJ[I].Line & 7) * 8;
int TileInc = 1;
if (PPU.OBJ[S].HFlip)
{
TileX = (TileX + (GFX.OBJWidths[S] >> 3) - 1) & 0x0f;
BaseTile |= H_FLIP;
TileInc = -1;
}
GFX.Z2 = D + PPU.OBJ[S].Priority * 4;
int DrawMode = 3;
int clip = 0, next_clip = -1000;
int X = PPU.OBJ[S].HPos;
if (X == -256)
X = 256;
for (int t = tiles, O = Offset + X * PixWidth; X <= 256 && X < PPU.OBJ[S].HPos + GFX.OBJWidths[S]; TileX = (TileX + TileInc) & 0x0f, X += 8, O += 8 * PixWidth)
{
if (X < -7 || --t < 0 || X == 256)
continue;
for (int x = X; x < X + 8;)
{
if (x >= next_clip)
{
for (; clip < GFX.Clip[4].Count && GFX.Clip[4].Left[clip] <= x; clip++) ;
if (clip == 0 || x >= GFX.Clip[4].Right[clip - 1])
{
DrawMode = 0;
next_clip = ((clip < GFX.Clip[4].Count) ? GFX.Clip[4].Left[clip] : 1000);
}
else
{
DrawMode = GFX.Clip[4].DrawMode[clip - 1];
next_clip = GFX.Clip[4].Right[clip - 1];
GFX.ClipColors = !(DrawMode & 1);
if (BG.EnableMath && (PPU.OBJ[S].Palette & 4) && (DrawMode & 2))
{
DrawTile = GFX.DrawTileMath;
DrawClippedTile = GFX.DrawClippedTileMath;
}
else
{
DrawTile = GFX.DrawTileNomath;
DrawClippedTile = GFX.DrawClippedTileNomath;
}
}
}
if (x == X && x + 8 < next_clip)
{
if (DrawMode)
DrawTile(BaseTile | TileX, O, TileLine, 1);
x += 8;
}
else
{
int w = (next_clip <= X + 8) ? next_clip - x : X + 8 - x;
if (DrawMode)
DrawClippedTile(BaseTile | TileX, O, x - X, w, TileLine, 1);
x += w;
}
}
}
}
}
}
Fix pragma warning on clang.
2018-11-17 21:16:03 +00:00
#if defined(__GNUC__) && !defined(__clang__)
Disable tree-vrp on GCC for this function. GCC miscompiles it.
2018-06-02 19:28:43 +00:00
#pragma GCC pop_options
Fix pragma warning on clang.
2018-11-17 21:16:03 +00:00
#endif
Initial 1.52 import
2010-09-25 15:46:12 +00:00
static void DrawBackground (int bg, uint8 Zh, uint8 Zl)
{
BG.TileAddress = PPU.BG[bg].NameBase << 1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
SC1 -= 0x8000;
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
SC2 -= 0x8000;
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
SC3 -= 0x8000;
uint32 Lines;
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
void (*DrawTile) (uint32, uint32, uint32, uint32);
void (*DrawClippedTile) (uint32, uint32, uint32, uint32, uint32, uint32);
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
{
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
{
DrawTile = GFX.DrawTileMath;
DrawClippedTile = GFX.DrawClippedTileMath;
}
else
{
DrawTile = GFX.DrawTileNomath;
DrawClippedTile = GFX.DrawClippedTileNomath;
}
for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines)
{
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
uint32 Y2 = HiresInterlace ? Y * 2 + GFX.InterlaceFrame : Y;
uint32 VOffset = LineData[Y].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint32 HOffset = LineData[Y].BG[bg].HOffset;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
int VirtAlign = ((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
for (Lines = 1; Lines < GFX.LinesPerTile - VirtAlign; Lines++)
{
if ((VOffset != LineData[Y + Lines].BG[bg].VOffset) || (HOffset != LineData[Y + Lines].BG[bg].HOffset))
break;
}
if (Y + Lines > GFX.EndY)
Lines = GFX.EndY - Y + 1;
VirtAlign <<= 3;
uint32 t1, t2;
uint32 TilemapRow = (VOffset + Y2) >> OffsetShift;
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
if ((VOffset + Y2) & 8)
{
t1 = 16;
t2 = 0;
}
else
{
t1 = 0;
t2 = 16;
}
uint16 *b1, *b2;
if (TilemapRow & 0x20)
{
b1 = SC2;
b2 = SC3;
}
else
{
b1 = SC0;
b2 = SC1;
}
b1 += (TilemapRow & 0x1f) << 5;
b2 += (TilemapRow & 0x1f) << 5;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left * PixWidth + Y * GFX.PPL;
uint32 HPos = (HOffset + Left) & OffsetMask;
uint32 HTile = HPos >> 3;
uint16 *t;
if (BG.TileSizeH == 8)
{
if (HTile > 31)
t = b2 + (HTile & 0x1f);
else
t = b1 + HTile;
}
else
{
if (HTile > 63)
t = b2 + ((HTile >> 1) & 0x1f);
else
t = b1 + (HTile >> 1);
}
uint32 Width = Right - Left;
if (HPos & 7)
{
uint32 l = HPos & 7;
uint32 w = 8 - l;
if (w > Width)
w = Width;
Offset -= l * PixWidth;
Tile = READ_WORD(t);
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
if (BG.TileSizeV == 16)
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
if (BG.TileSizeH == 8)
{
DrawClippedTile(Tile, Offset, l, w, VirtAlign, Lines);
t++;
if (HTile == 31)
t = b2;
else
if (HTile == 63)
t = b1;
}
else
{
if (!(Tile & H_FLIP))
DrawClippedTile(TILE_PLUS(Tile, (HTile & 1)), Offset, l, w, VirtAlign, Lines);
else
DrawClippedTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, l, w, VirtAlign, Lines);
t += HTile & 1;
if (HTile == 63)
t = b2;
else
if (HTile == 127)
t = b1;
}
HTile++;
Offset += 8 * PixWidth;
Width -= w;
}
while (Width >= 8)
{
Tile = READ_WORD(t);
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
if (BG.TileSizeV == 16)
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
if (BG.TileSizeH == 8)
{
DrawTile(Tile, Offset, VirtAlign, Lines);
t++;
if (HTile == 31)
t = b2;
else
if (HTile == 63)
t = b1;
}
else
{
if (!(Tile & H_FLIP))
DrawTile(TILE_PLUS(Tile, (HTile & 1)), Offset, VirtAlign, Lines);
else
DrawTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, VirtAlign, Lines);
t += HTile & 1;
if (HTile == 63)
t = b2;
else
if (HTile == 127)
t = b1;
}
HTile++;
Offset += 8 * PixWidth;
Width -= 8;
}
if (Width)
{
Tile = READ_WORD(t);
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
if (BG.TileSizeV == 16)
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
if (BG.TileSizeH == 8)
DrawClippedTile(Tile, Offset, 0, Width, VirtAlign, Lines);
else
{
if (!(Tile & H_FLIP))
DrawClippedTile(TILE_PLUS(Tile, (HTile & 1)), Offset, 0, Width, VirtAlign, Lines);
else
DrawClippedTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, 0, Width, VirtAlign, Lines);
}
}
}
}
}
static void DrawBackgroundMosaic (int bg, uint8 Zh, uint8 Zl)
{
BG.TileAddress = PPU.BG[bg].NameBase << 1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
SC1 -= 0x8000;
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
SC2 -= 0x8000;
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
SC3 -= 0x8000;
int Lines;
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
void (*DrawPix) (uint32, uint32, uint32, uint32, uint32, uint32);
int MosaicStart = ((uint32) GFX.StartY - PPU.MosaicStart) % PPU.Mosaic;
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
{
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
DrawPix = GFX.DrawMosaicPixelMath;
else
DrawPix = GFX.DrawMosaicPixelNomath;
for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
{
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
uint32 Y2 = HiresInterlace ? Y * 2 : Y;
Fix wrong tile choice in mosaic mode.
2018-06-16 20:23:27 +00:00
uint32 VOffset = LineData[Y + MosaicStart].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
uint32 HOffset = LineData[Y + MosaicStart].BG[bg].HOffset;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
Lines = PPU.Mosaic - MosaicStart;
if (Y + MosaicStart + Lines > GFX.EndY)
Lines = GFX.EndY - Y - MosaicStart + 1;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
int VirtAlign = (((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0)) << 3;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint32 t1, t2;
uint32 TilemapRow = (VOffset + Y2) >> OffsetShift;
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
if ((VOffset + Y2) & 8)
{
t1 = 16;
t2 = 0;
}
else
{
t1 = 0;
t2 = 16;
}
uint16 *b1, *b2;
if (TilemapRow & 0x20)
{
b1 = SC2;
b2 = SC3;
}
else
{
b1 = SC0;
b2 = SC1;
}
b1 += (TilemapRow & 0x1f) << 5;
b2 += (TilemapRow & 0x1f) << 5;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left * PixWidth + (Y + MosaicStart) * GFX.PPL;
uint32 HPos = (HOffset + Left - (Left % PPU.Mosaic)) & OffsetMask;
uint32 HTile = HPos >> 3;
uint16 *t;
if (BG.TileSizeH == 8)
{
if (HTile > 31)
t = b2 + (HTile & 0x1f);
else
t = b1 + HTile;
}
else
{
if (HTile > 63)
t = b2 + ((HTile >> 1) & 0x1f);
else
t = b1 + (HTile >> 1);
}
uint32 Width = Right - Left;
HPos &= 7;
while (Left < Right)
{
uint32 w = PPU.Mosaic - (Left % PPU.Mosaic);
if (w > Width)
w = Width;
Tile = READ_WORD(t);
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
if (BG.TileSizeV == 16)
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
if (BG.TileSizeH == 8)
DrawPix(Tile, Offset, VirtAlign, HPos & 7, w, Lines);
else
{
if (!(Tile & H_FLIP))
DrawPix(TILE_PLUS(Tile, (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
else
DrawPix(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
}
HPos += PPU.Mosaic;
while (HPos >= 8)
{
HPos -= 8;
if (BG.TileSizeH == 8)
{
t++;
if (HTile == 31)
t = b2;
else
if (HTile == 63)
t = b1;
}
else
{
t += HTile & 1;
if (HTile == 63)
t = b2;
else
if (HTile == 127)
t = b1;
}
HTile++;
}
Offset += w * PixWidth;
Width -= w;
Left += w;
}
MosaicStart = 0;
}
}
}
static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
{
BG.TileAddress = PPU.BG[bg].NameBase << 1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
uint16 *BPS0, *BPS1, *BPS2, *BPS3;
BPS0 = (uint16 *) &Memory.VRAM[PPU.BG[2].SCBase << 1];
BPS1 = (PPU.BG[2].SCSize & 1) ? BPS0 + 1024 : BPS0;
if (BPS1 >= (uint16 *) (Memory.VRAM + 0x10000))
BPS1 -= 0x8000;
BPS2 = (PPU.BG[2].SCSize & 2) ? BPS1 + 1024 : BPS0;
if (BPS2 >= (uint16 *) (Memory.VRAM + 0x10000))
BPS2 -= 0x8000;
BPS3 = (PPU.BG[2].SCSize & 1) ? BPS2 + 1024 : BPS2;
if (BPS3 >= (uint16 *) (Memory.VRAM + 0x10000))
BPS3 -= 0x8000;
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
SC1 -= 0x8000;
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
SC2 -= 0x8000;
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
SC3 -= 0x8000;
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
Use older calculation for non-mosaic offset-per-tile mode.
2018-05-28 18:09:25 +00:00
int Offset2Mask = (BG.OffsetSizeH == 16) ? 0x3ff : 0x1ff;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
int Offset2Shift = (BG.OffsetSizeV == 16) ? 4 : 3;
int OffsetEnableMask = 0x2000 << bg;
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
void (*DrawClippedTile) (uint32, uint32, uint32, uint32, uint32, uint32);
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
{
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
{
DrawClippedTile = GFX.DrawClippedTileMath;
}
else
{
DrawClippedTile = GFX.DrawClippedTileNomath;
}
for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y++)
{
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
uint32 Y2 = HiresInterlace ? Y * 2 + GFX.InterlaceFrame : Y;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint32 VOff = LineData[Y].BG[2].VOffset - 1;
uint32 HOff = LineData[Y].BG[2].HOffset;
uint32 HOffsetRow = VOff >> Offset2Shift;
uint32 VOffsetRow = (VOff + VOffOff) >> Offset2Shift;
uint16 *s, *s1, *s2;
if (HOffsetRow & 0x20)
{
s1 = BPS2;
s2 = BPS3;
}
else
{
s1 = BPS0;
s2 = BPS1;
}
s1 += (HOffsetRow & 0x1f) << 5;
s2 += (HOffsetRow & 0x1f) << 5;
s = ((VOffsetRow & 0x20) ? BPS2 : BPS0) + ((VOffsetRow & 0x1f) << 5);
int32 VOffsetOffset = s - s1;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left * PixWidth + Y * GFX.PPL;
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
uint32 HScroll = LineData[Y].BG[bg].HOffset;
bool8 left_edge = (Left < (8 - (HScroll & 7)));
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint32 Width = Right - Left;
while (Left < Right)
{
uint32 VOffset, HOffset;
if (left_edge)
{
// SNES cannot do OPT for leftmost tile column
VOffset = LineData[Y].BG[bg].VOffset;
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
HOffset = HScroll;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
left_edge = FALSE;
}
else
{
Use older calculation for non-mosaic offset-per-tile mode.
2018-05-28 18:09:25 +00:00
int HOffTile = ((HOff + Left - 1) & Offset2Mask) >> 3;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
if (BG.OffsetSizeH == 8)
{
if (HOffTile > 31)
s = s2 + (HOffTile & 0x1f);
else
s = s1 + HOffTile;
}
else
{
if (HOffTile > 63)
s = s2 + ((HOffTile >> 1) & 0x1f);
else
s = s1 + (HOffTile >> 1);
}
uint16 HCellOffset = READ_WORD(s);
uint16 VCellOffset;
if (VOffOff)
VCellOffset = READ_WORD(s + VOffsetOffset);
else
{
if (HCellOffset & 0x8000)
{
VCellOffset = HCellOffset;
HCellOffset = 0;
}
else
VCellOffset = 0;
}
if (VCellOffset & OffsetEnableMask)
VOffset = VCellOffset + 1;
else
VOffset = LineData[Y].BG[bg].VOffset;
if (HCellOffset & OffsetEnableMask)
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
HOffset = (HCellOffset & ~7) | (HScroll & 7);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
else
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
HOffset = HScroll;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
if (HiresInterlace)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
VOffset++;
uint32 t1, t2;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
int VirtAlign = (((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0)) << 3;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
int TilemapRow = (VOffset + Y2) >> OffsetShift;
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
if ((VOffset + Y2) & 8)
{
t1 = 16;
t2 = 0;
}
else
{
t1 = 0;
t2 = 16;
}
uint16 *b1, *b2;
if (TilemapRow & 0x20)
{
b1 = SC2;
b2 = SC3;
}
else
{
b1 = SC0;
b2 = SC1;
}
b1 += (TilemapRow & 0x1f) << 5;
b2 += (TilemapRow & 0x1f) << 5;
uint32 HPos = (HOffset + Left) & OffsetMask;
uint32 HTile = HPos >> 3;
uint16 *t;
if (BG.TileSizeH == 8)
{
if (HTile > 31)
t = b2 + (HTile & 0x1f);
else
t = b1 + HTile;
}
else
{
if (HTile > 63)
t = b2 + ((HTile >> 1) & 0x1f);
else
t = b1 + (HTile >> 1);
}
uint32 l = HPos & 7;
uint32 w = 8 - l;
if (w > Width)
w = Width;
Offset -= l * PixWidth;
Tile = READ_WORD(t);
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
if (BG.TileSizeV == 16)
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
if (BG.TileSizeH == 8)
{
DrawClippedTile(Tile, Offset, l, w, VirtAlign, 1);
}
else
{
if (!(Tile & H_FLIP))
DrawClippedTile(TILE_PLUS(Tile, (HTile & 1)), Offset, l, w, VirtAlign, 1);
else
DrawClippedTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, l, w, VirtAlign, 1);
}
Left += w;
Offset += 8 * PixWidth;
Width -= w;
}
}
}
}
static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
{
BG.TileAddress = PPU.BG[bg].NameBase << 1;
uint32 Tile;
uint16 *SC0, *SC1, *SC2, *SC3;
uint16 *BPS0, *BPS1, *BPS2, *BPS3;
BPS0 = (uint16 *) &Memory.VRAM[PPU.BG[2].SCBase << 1];
BPS1 = (PPU.BG[2].SCSize & 1) ? BPS0 + 1024 : BPS0;
if (BPS1 >= (uint16 *) (Memory.VRAM + 0x10000))
BPS1 -= 0x8000;
BPS2 = (PPU.BG[2].SCSize & 2) ? BPS1 + 1024 : BPS0;
if (BPS2 >= (uint16 *) (Memory.VRAM + 0x10000))
BPS2 -= 0x8000;
BPS3 = (PPU.BG[2].SCSize & 1) ? BPS2 + 1024 : BPS2;
if (BPS3 >= (uint16 *) (Memory.VRAM + 0x10000))
BPS3 -= 0x8000;
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
SC1 -= 0x8000;
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
SC2 -= 0x8000;
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
SC3 -= 0x8000;
int Lines;
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
int Offset2Shift = (BG.OffsetSizeV == 16) ? 4 : 3;
int OffsetEnableMask = 0x2000 << bg;
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
void (*DrawPix) (uint32, uint32, uint32, uint32, uint32, uint32);
int MosaicStart = ((uint32) GFX.StartY - PPU.MosaicStart) % PPU.Mosaic;
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
{
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
DrawPix = GFX.DrawMosaicPixelMath;
else
DrawPix = GFX.DrawMosaicPixelNomath;
for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
{
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
uint32 Y2 = HiresInterlace ? Y * 2 : Y;
Fix wrong tile choice in mosaic mode.
2018-06-16 20:23:27 +00:00
uint32 VOff = LineData[Y + MosaicStart].BG[2].VOffset - 1;
uint32 HOff = LineData[Y + MosaicStart].BG[2].HOffset;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
Lines = PPU.Mosaic - MosaicStart;
if (Y + MosaicStart + Lines > GFX.EndY)
Lines = GFX.EndY - Y - MosaicStart + 1;
uint32 HOffsetRow = VOff >> Offset2Shift;
uint32 VOffsetRow = (VOff + VOffOff) >> Offset2Shift;
uint16 *s, *s1, *s2;
if (HOffsetRow & 0x20)
{
s1 = BPS2;
s2 = BPS3;
}
else
{
s1 = BPS0;
s2 = BPS1;
}
s1 += (HOffsetRow & 0x1f) << 5;
s2 += (HOffsetRow & 0x1f) << 5;
s = ((VOffsetRow & 0x20) ? BPS2 : BPS0) + ((VOffsetRow & 0x1f) << 5);
int32 VOffsetOffset = s - s1;
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left * PixWidth + (Y + MosaicStart) * GFX.PPL;
Fix wrong tile choice in mosaic mode.
2018-06-16 20:23:27 +00:00
uint32 HScroll = LineData[Y + MosaicStart].BG[bg].HOffset;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint32 Width = Right - Left;
while (Left < Right)
{
uint32 VOffset, HOffset;
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
if (Left < (8 - (HScroll & 7)))
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
// SNES cannot do OPT for leftmost tile column
Fix wrong tile choice in mosaic mode.
2018-06-16 20:23:27 +00:00
VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
HOffset = HScroll;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
else
{
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
int HOffTile = (((Left + (HScroll & 7)) - 8) + (HOff & ~7)) >> 3;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
if (BG.OffsetSizeH == 8)
{
if (HOffTile > 31)
s = s2 + (HOffTile & 0x1f);
else
s = s1 + HOffTile;
}
else
{
if (HOffTile > 63)
s = s2 + ((HOffTile >> 1) & 0x1f);
else
s = s1 + (HOffTile >> 1);
}
uint16 HCellOffset = READ_WORD(s);
uint16 VCellOffset;
if (VOffOff)
VCellOffset = READ_WORD(s + VOffsetOffset);
else
{
if (HCellOffset & 0x8000)
{
VCellOffset = HCellOffset;
HCellOffset = 0;
}
else
VCellOffset = 0;
}
if (VCellOffset & OffsetEnableMask)
VOffset = VCellOffset + 1;
else
Fix wrong tile choice in mosaic mode.
2018-06-16 20:23:27 +00:00
VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
if (HCellOffset & OffsetEnableMask)
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
HOffset = (HCellOffset & ~7) | (HScroll & 7);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
else
Fix tile selection in mosaic offset-per-tile mode. Fixes first Contra 3 boss.
2018-05-22 20:58:10 +00:00
HOffset = HScroll;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
if (HiresInterlace)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
VOffset++;
uint32 t1, t2;
Improve interlace and OAM interlace support. Interlace is now possible in every bg mode. OAM interlace no longer forces global interlace and properly switches between odd and even lines. Screen output can now be 256x448.
2011-02-03 21:05:45 +00:00
int VirtAlign = (((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0)) << 3;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
int TilemapRow = (VOffset + Y2) >> OffsetShift;
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
if ((VOffset + Y2) & 8)
{
t1 = 16;
t2 = 0;
}
else
{
t1 = 0;
t2 = 16;
}
uint16 *b1, *b2;
if (TilemapRow & 0x20)
{
b1 = SC2;
b2 = SC3;
}
else
{
b1 = SC0;
b2 = SC1;
}
b1 += (TilemapRow & 0x1f) << 5;
b2 += (TilemapRow & 0x1f) << 5;
uint32 HPos = (HOffset + Left - (Left % PPU.Mosaic)) & OffsetMask;
uint32 HTile = HPos >> 3;
uint16 *t;
if (BG.TileSizeH == 8)
{
if (HTile > 31)
t = b2 + (HTile & 0x1f);
else
t = b1 + HTile;
}
else
{
if (HTile > 63)
t = b2 + ((HTile >> 1) & 0x1f);
else
t = b1 + (HTile >> 1);
}
uint32 w = PPU.Mosaic - (Left % PPU.Mosaic);
if (w > Width)
w = Width;
Tile = READ_WORD(t);
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
if (BG.TileSizeV == 16)
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
if (BG.TileSizeH == 8)
DrawPix(Tile, Offset, VirtAlign, HPos & 7, w, Lines);
else
{
if (!(Tile & H_FLIP))
DrawPix(TILE_PLUS(Tile, (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
else
if (!(Tile & V_FLIP))
DrawPix(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
}
Left += w;
Offset += w * PixWidth;
Width -= w;
}
MosaicStart = 0;
}
}
}
static inline void DrawBackgroundMode7 (int bg, void (*DrawMath) (uint32, uint32, int), void (*DrawNomath) (uint32, uint32, int), int D)
{
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
{
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
DrawMath(GFX.Clip[bg].Left[clip], GFX.Clip[bg].Right[clip], D);
else
DrawNomath(GFX.Clip[bg].Left[clip], GFX.Clip[bg].Right[clip], D);
}
}
static inline void DrawBackdrop (void)
{
uint32 Offset = GFX.StartY * GFX.PPL;
for (int clip = 0; clip < GFX.Clip[5].Count; clip++)
{
GFX.ClipColors = !(GFX.Clip[5].DrawMode[clip] & 1);
if (BG.EnableMath && (GFX.Clip[5].DrawMode[clip] & 2))
GFX.DrawBackdropMath(Offset, GFX.Clip[5].Left[clip], GFX.Clip[5].Right[clip]);
else
GFX.DrawBackdropNomath(Offset, GFX.Clip[5].Left[clip], GFX.Clip[5].Right[clip]);
}
}
void S9xReRefresh (void)
{
// Be careful when calling this function from the thread other than the emulation one...
// Here it's assumed no drawing occurs from the emulation thread when Settings.Paused is TRUE.
if (Settings.Paused)
S9xDeinitUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
}
void S9xSetInfoString (const char *string)
{
if (Settings.InitialInfoStringTimeout > 0)
{
GFX.InfoString = string;
GFX.InfoStringTimeout = Settings.InitialInfoStringTimeout;
S9xReRefresh();
}
}
void S9xDisplayChar (uint16 *s, uint8 c)
{
const uint16 black = BUILD_PIXEL(0, 0, 0);
int line = ((c - 32) >> 4) * font_height;
int offset = ((c - 32) & 15) * font_width;
for (int h = 0; h < font_height; h++, line++, s += GFX.RealPPL - font_width)
{
for (int w = 0; w < font_width; w++, s++)
{
char p = font[line][offset + w];
if (p == '#')
*s = Settings.DisplayColor;
else
if (p == '.')
*s = black;
}
}
}
static void DisplayStringFromBottom (const char *string, int linesFromBottom, int pixelsFromLeft, bool allowWrap)
{
GTK+: Patch into S9xCustomDisplayString. Fix issue with overlay on overscanned height.
2018-11-17 22:12:06 +00:00
if (S9xCustomDisplayString)
{
S9xCustomDisplayString (string, linesFromBottom, pixelsFromLeft, allowWrap);
return;
}
Initial 1.52 import
2010-09-25 15:46:12 +00:00
if (linesFromBottom <= 0)
linesFromBottom = 1;
uint16 *dst = GFX.Screen + (IPPU.RenderedScreenHeight - font_height * linesFromBottom) * GFX.RealPPL + pixelsFromLeft;
int len = strlen(string);
int max_chars = IPPU.RenderedScreenWidth / (font_width - 1);
int char_count = 0;
for (int i = 0 ; i < len ; i++, char_count++)
{
if (char_count >= max_chars || (uint8) string[i] < 32)
{
if (!allowWrap)
break;
dst += font_height * GFX.RealPPL - (font_width - 1) * max_chars;
if (dst >= GFX.Screen + IPPU.RenderedScreenHeight * GFX.RealPPL)
break;
char_count -= max_chars;
}
if ((uint8) string[i] < 32)
continue;
S9xDisplayChar(dst, string[i]);
dst += font_width - 1;
}
}
static void DisplayFrameRate (void)
{
char string[10];
Update to latest WIP
2010-09-25 16:46:06 +00:00
static uint32 lastFrameCount = 0, calcFps = 0;
static time_t lastTime = time(NULL);
time_t currTime = time(NULL);
if (lastTime != currTime) {
if (lastFrameCount < IPPU.TotalEmulatedFrames) {
calcFps = (IPPU.TotalEmulatedFrames - lastFrameCount) / (uint32)(currTime - lastTime);
}
lastTime = currTime;
lastFrameCount = IPPU.TotalEmulatedFrames;
}
sprintf(string, "%u fps", calcFps);
S9xDisplayString(string, 2, IPPU.RenderedScreenWidth - (font_width - 1) * strlen(string) - 1, false);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
#ifdef DEBUGGER
const int len = 8;
sprintf(string, "%02d/%02d %02d", (int) IPPU.DisplayedRenderedFrameCount, (int) Memory.ROMFramesPerSecond, (int) IPPU.FrameCount);
#else
const int len = 5;
sprintf(string, "%02d/%02d", (int) IPPU.DisplayedRenderedFrameCount, (int) Memory.ROMFramesPerSecond);
#endif
S9xDisplayString(string, 1, IPPU.RenderedScreenWidth - (font_width - 1) * len - 1, false);
}
static void DisplayPressedKeys (void)
{
static char KeyMap[] = { '0', '1', '2', 'R', 'L', 'X', 'A', '>', '<', 'v', '^', 'S', 's', 'Y', 'B' };
static int KeyOrder[] = { 8, 10, 7, 9, 0, 6, 14, 13, 5, 1, 4, 3, 2, 11, 12 }; // < ^ > v A B Y X L R S s
enum controllers controller;
Adjust input display position if displaying movie frame counter (gocha)
2012-07-30 17:18:14 +00:00
int line = Settings.DisplayMovieFrame && S9xMovieActive() ? 2 : 1;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
int8 ids[4];
char string[255];
for (int port = 0; port < 2; port++)
{
S9xGetController(port, &controller, &ids[0], &ids[1], &ids[2], &ids[3]);
switch (controller)
{
case CTL_MOUSE:
{
Fix uninitialized warning and aliased pointers.
2018-12-04 22:07:01 +00:00
uint8 buf[5];
if (!MovieGetMouse(port, buf))
break;
int16 x = READ_WORD(buf);
int16 y = READ_WORD(buf + 2);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint8 buttons = buf[4];
Use 1 instead of 0 as first # for pressed key display.
2018-12-10 20:58:51 +00:00
sprintf(string, "#%d %d: (%03d,%03d) %c%c", port + 1, ids[0] + 1, x, y,
Initial 1.52 import
2010-09-25 15:46:12 +00:00
(buttons & 0x40) ? 'L' : ' ', (buttons & 0x80) ? 'R' : ' ');
S9xDisplayString(string, line++, 1, false);
break;
}
case CTL_SUPERSCOPE:
{
Fix uninitialized warning and aliased pointers.
2018-12-04 22:07:01 +00:00
uint8 buf[6];
if (!MovieGetScope(port, buf))
break;
int16 x = READ_WORD(buf);
int16 y = READ_WORD(buf + 2);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint8 buttons = buf[4];
Use 1 instead of 0 as first # for pressed key display.
2018-12-10 20:58:51 +00:00
sprintf(string, "#%d %d: (%03d,%03d) %c%c%c%c", port + 1, ids[0] + 1, x, y,
Initial 1.52 import
2010-09-25 15:46:12 +00:00
(buttons & 0x80) ? 'F' : ' ', (buttons & 0x40) ? 'C' : ' ',
(buttons & 0x20) ? 'T' : ' ', (buttons & 0x10) ? 'P' : ' ');
S9xDisplayString(string, line++, 1, false);
break;
}
case CTL_JUSTIFIER:
{
Fix uninitialized warning and aliased pointers.
2018-12-04 22:07:01 +00:00
uint8 buf[11];
if (!MovieGetJustifier(port, buf))
break;
int16 x1 = READ_WORD(buf);
int16 x2 = READ_WORD(buf + 2);
int16 y1 = READ_WORD(buf + 4);
int16 y2 = READ_WORD(buf + 6);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint8 buttons = buf[8];
bool8 offscreen1 = buf[9];
bool8 offscreen2 = buf[10];
Use 1 instead of 0 as first # for pressed key display.
2018-12-10 20:58:51 +00:00
sprintf(string, "#%d %d: (%03d,%03d) %c%c%c / (%03d,%03d) %c%c%c", port + 1, ids[0] + 1,
Initial 1.52 import
2010-09-25 15:46:12 +00:00
x1, y1, (buttons & 0x80) ? 'T' : ' ', (buttons & 0x20) ? 'S' : ' ', offscreen1 ? 'O' : ' ',
x2, y2, (buttons & 0x40) ? 'T' : ' ', (buttons & 0x10) ? 'S' : ' ', offscreen2 ? 'O' : ' ');
S9xDisplayString(string, line++, 1, false);
break;
}
case CTL_JOYPAD:
{
Use 1 instead of 0 as first # for pressed key display.
2018-12-10 20:58:51 +00:00
sprintf(string, "#%d %d: ", port + 1, ids[0] + 1);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint16 pad = MovieGetJoypad(ids[0]);
for (int i = 0; i < 15; i++)
{
int j = KeyOrder[i];
int mask = (1 << (j + 1));
string[6 + i]= (pad & mask) ? KeyMap[j] : ' ';
}
S9xDisplayString(string, line++, 1, false);
break;
}
case CTL_MP5:
{
for (int n = 0; n < 4; n++)
{
if (ids[n] != -1)
{
Use 1 instead of 0 as first # for pressed key display.
2018-12-10 20:58:51 +00:00
sprintf(string, "#%d %d: ", port + 1, ids[n] + 1);
Initial 1.52 import
2010-09-25 15:46:12 +00:00
uint16 pad = MovieGetJoypad(ids[n]);
for (int i = 0; i < 15; i++)
{
int j = KeyOrder[i];
int mask = (1 << (j + 1));
string[6 + i]= (pad & mask) ? KeyMap[j] : ' ';
}
S9xDisplayString(string, line++, 1, false);
}
}
break;
}
add macs rifle controller (win32)
2018-06-04 01:45:53 +00:00
case CTL_MACSRIFLE:
{
/*
uint8 buf[6], *p = buf;
MovieGetScope(port, buf);
int16 x = READ_WORD(p);
int16 y = READ_WORD(p + 2);
uint8 buttons = buf[4];
sprintf(string, "#%d %d: (%03d,%03d) %c%c%c%c", port, ids[0], x, y,
(buttons & 0x80) ? 'F' : ' ', (buttons & 0x40) ? 'C' : ' ',
(buttons & 0x20) ? 'T' : ' ', (buttons & 0x10) ? 'P' : ' ');
S9xDisplayString(string, line++, 1, false);
*/
break;
}
Initial 1.52 import
2010-09-25 15:46:12 +00:00
case CTL_NONE:
{
Use 1 instead of 0 as first # for pressed key display.
2018-12-10 20:58:51 +00:00
// Display Nothing
Initial 1.52 import
2010-09-25 15:46:12 +00:00
break;
}
}
}
}
static void DisplayWatchedAddresses (void)
{
for (unsigned int i = 0; i < sizeof(watches) / sizeof(watches[0]); i++)
{
if (!watches[i].on)
break;
int32 displayNumber = 0;
char buf[32];
for (int r = 0; r < watches[i].size; r++)
displayNumber += (Cheat.CWatchRAM[(watches[i].address - 0x7E0000) + r]) << (8 * r);
if (watches[i].format == 1)
sprintf(buf, "%s,%du = %u", watches[i].desc, watches[i].size, (unsigned int) displayNumber);
else
if (watches[i].format == 3)
sprintf(buf, "%s,%dx = %X", watches[i].desc, watches[i].size, (unsigned int) displayNumber);
else // signed
{
if (watches[i].size == 1)
displayNumber = (int32) ((int8) displayNumber);
else
if (watches[i].size == 2)
displayNumber = (int32) ((int16) displayNumber);
else
if (watches[i].size == 3)
if (displayNumber >= 8388608)
displayNumber -= 16777216;
sprintf(buf, "%s,%ds = %d", watches[i].desc, watches[i].size, (int) displayNumber);
}
S9xDisplayString(buf, 6 + i, 1, false);
}
}
void S9xDisplayMessages (uint16 *screen, int ppl, int width, int height, int scale)
{
if (Settings.DisplayFrameRate)
DisplayFrameRate();
if (Settings.DisplayWatchedAddresses)
DisplayWatchedAddresses();
if (Settings.DisplayPressedKeys)
DisplayPressedKeys();
if (Settings.DisplayMovieFrame && S9xMovieActive())
S9xDisplayString(GFX.FrameDisplayString, 1, 1, false);
if (GFX.InfoString && *GFX.InfoString)
S9xDisplayString(GFX.InfoString, 5, 1, true);
}
static uint16 get_crosshair_color (uint8 color)
{
switch (color & 15)
{
case 0: return (BUILD_PIXEL( 0, 0, 0)); // transparent, shouldn't be used
case 1: return (BUILD_PIXEL( 0, 0, 0)); // Black
case 2: return (BUILD_PIXEL( 8, 8, 8)); // 25Grey
case 3: return (BUILD_PIXEL(16, 16, 16)); // 50Grey
case 4: return (BUILD_PIXEL(23, 23, 23)); // 75Grey
case 5: return (BUILD_PIXEL(31, 31, 31)); // White
case 6: return (BUILD_PIXEL(31, 0, 0)); // Red
case 7: return (BUILD_PIXEL(31, 16, 0)); // Orange
case 8: return (BUILD_PIXEL(31, 31, 0)); // Yellow
case 9: return (BUILD_PIXEL( 0, 31, 0)); // Green
case 10: return (BUILD_PIXEL( 0, 31, 31)); // Cyan
case 11: return (BUILD_PIXEL( 0, 23, 31)); // Sky
case 12: return (BUILD_PIXEL( 0, 0, 31)); // Blue
case 13: return (BUILD_PIXEL(23, 0, 31)); // Violet
case 14: return (BUILD_PIXEL(31, 0, 31)); // Magenta
case 15: return (BUILD_PIXEL(31, 0, 16)); // Purple
}
return (0);
}
void S9xDrawCrosshair (const char *crosshair, uint8 fgcolor, uint8 bgcolor, int16 x, int16 y)
{
if (!crosshair)
return;
int16 r, rx = 1, c, cx = 1, W = SNES_WIDTH, H = PPU.ScreenHeight;
uint16 fg, bg;
x -= 7;
y -= 7;
if (IPPU.DoubleWidthPixels) { cx = 2; x *= 2; W *= 2; }
if (IPPU.DoubleHeightPixels) { rx = 2; y *= 2; H *= 2; }
fg = get_crosshair_color(fgcolor);
bg = get_crosshair_color(bgcolor);
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
uint16 *s = GFX.Screen + y * (int32)GFX.RealPPL + x;
for (r = 0; r < 15 * rx; r++, s += GFX.RealPPL - 15 * cx)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
if (y + r < 0)
{
s += 15 * cx;
continue;
}
Initial 1.52 import
2010-09-25 15:46:12 +00:00
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
if (y + r >= H)
break;
for (c = 0; c < 15 * cx; c++, s++)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
if (x + c < 0 || s < GFX.Screen)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
continue;
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
if (x + c >= W)
Initial 1.52 import
2010-09-25 15:46:12 +00:00
{
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
s += 15 * cx - c;
break;
}
Initial 1.52 import
2010-09-25 15:46:12 +00:00
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
uint8 p = crosshair[(r / rx) * 15 + (c / cx)];
Initial 1.52 import
2010-09-25 15:46:12 +00:00
Fix crash when drawing crosshair on screen edges (remove old workaround)
2011-10-31 21:36:17 +00:00
if (p == '#' && fgcolor)
*s = (fgcolor & 0x10) ? COLOR_ADD1_2(fg, *s) : fg;
else
if (p == '.' && bgcolor)
*s = (bgcolor & 0x10) ? COLOR_ADD1_2(*s, bg) : bg;
Initial 1.52 import
2010-09-25 15:46:12 +00:00
}
}
}
#ifdef GFX_MULTI_FORMAT
static uint32 BuildPixelRGB565 (uint32, uint32, uint32);
static uint32 BuildPixelRGB555 (uint32, uint32, uint32);
static uint32 BuildPixelBGR565 (uint32, uint32, uint32);
static uint32 BuildPixelBGR555 (uint32, uint32, uint32);
static uint32 BuildPixelGBR565 (uint32, uint32, uint32);
static uint32 BuildPixelGBR555 (uint32, uint32, uint32);
static uint32 BuildPixelRGB5551 (uint32, uint32, uint32);
static uint32 BuildPixel2RGB565 (uint32, uint32, uint32);
static uint32 BuildPixel2RGB555 (uint32, uint32, uint32);
static uint32 BuildPixel2BGR565 (uint32, uint32, uint32);
static uint32 BuildPixel2BGR555 (uint32, uint32, uint32);
static uint32 BuildPixel2GBR565 (uint32, uint32, uint32);
static uint32 BuildPixel2GBR555 (uint32, uint32, uint32);
static uint32 BuildPixel2RGB5551 (uint32, uint32, uint32);
static void DecomposePixelRGB565 (uint32, uint32 &, uint32 &, uint32 &);
static void DecomposePixelRGB555 (uint32, uint32 &, uint32 &, uint32 &);
static void DecomposePixelBGR565 (uint32, uint32 &, uint32 &, uint32 &);
static void DecomposePixelBGR555 (uint32, uint32 &, uint32 &, uint32 &);
static void DecomposePixelGBR565 (uint32, uint32 &, uint32 &, uint32 &);
static void DecomposePixelGBR555 (uint32, uint32 &, uint32 &, uint32 &);
static void DecomposePixelRGB5551 (uint32, uint32 &, uint32 &, uint32 &);
#define _BUILD_PIXEL(F) \
static uint32 BuildPixel##F (uint32 R, uint32 G, uint32 B) \
{ \
return (BUILD_PIXEL_##F(R, G, B)); \
} \
\
static uint32 BuildPixel2##F (uint32 R, uint32 G, uint32 B) \
{ \
return (BUILD_PIXEL2_##F(R, G, B)); \
} \
\
static void DecomposePixel##F (uint32 pixel, uint32 &R, uint32 &G, uint32 &B) \
{ \
DECOMPOSE_PIXEL_##F(pixel, R, G, B); \
}
_BUILD_PIXEL(RGB565)
_BUILD_PIXEL(RGB555)
_BUILD_PIXEL(BGR565)
_BUILD_PIXEL(BGR555)
_BUILD_PIXEL(GBR565)
_BUILD_PIXEL(GBR555)
_BUILD_PIXEL(RGB5551)
#define _BUILD_SETUP(F) \
GFX.BuildPixel = BuildPixel##F; \
GFX.BuildPixel2 = BuildPixel2##F; \
GFX.DecomposePixel = DecomposePixel##F; \
RED_LOW_BIT_MASK = RED_LOW_BIT_MASK_##F; \
GREEN_LOW_BIT_MASK = GREEN_LOW_BIT_MASK_##F; \
BLUE_LOW_BIT_MASK = BLUE_LOW_BIT_MASK_##F; \
RED_HI_BIT_MASK = RED_HI_BIT_MASK_##F; \
GREEN_HI_BIT_MASK = GREEN_HI_BIT_MASK_##F; \
BLUE_HI_BIT_MASK = BLUE_HI_BIT_MASK_##F; \
MAX_RED = MAX_RED_##F; \
MAX_GREEN = MAX_GREEN_##F; \
MAX_BLUE = MAX_BLUE_##F; \
SPARE_RGB_BIT_MASK = SPARE_RGB_BIT_MASK_##F; \
GREEN_HI_BIT = ((MAX_GREEN_##F + 1) >> 1); \
RGB_LOW_BITS_MASK = (RED_LOW_BIT_MASK_##F | GREEN_LOW_BIT_MASK_##F | BLUE_LOW_BIT_MASK_##F); \
RGB_HI_BITS_MASK = (RED_HI_BIT_MASK_##F | GREEN_HI_BIT_MASK_##F | BLUE_HI_BIT_MASK_##F); \
RGB_HI_BITS_MASKx2 = (RED_HI_BIT_MASK_##F | GREEN_HI_BIT_MASK_##F | BLUE_HI_BIT_MASK_##F) << 1; \
RGB_REMOVE_LOW_BITS_MASK = ~RGB_LOW_BITS_MASK; \
FIRST_COLOR_MASK = FIRST_COLOR_MASK_##F; \
SECOND_COLOR_MASK = SECOND_COLOR_MASK_##F; \
THIRD_COLOR_MASK = THIRD_COLOR_MASK_##F; \
ALPHA_BITS_MASK = ALPHA_BITS_MASK_##F; \
FIRST_THIRD_COLOR_MASK = FIRST_COLOR_MASK | THIRD_COLOR_MASK; \
TWO_LOW_BITS_MASK = RGB_LOW_BITS_MASK | (RGB_LOW_BITS_MASK << 1); \
HIGH_BITS_SHIFTED_TWO_MASK = ((FIRST_COLOR_MASK | SECOND_COLOR_MASK | THIRD_COLOR_MASK) & ~TWO_LOW_BITS_MASK) >> 2;
bool8 S9xSetRenderPixelFormat (int format)
{
GFX.PixelFormat = format;
switch (format)
{
case RGB565:
_BUILD_SETUP(RGB565)
return (TRUE);
case RGB555:
_BUILD_SETUP(RGB555)
return (TRUE);
case BGR565:
_BUILD_SETUP(BGR565)
return (TRUE);
case BGR555:
_BUILD_SETUP(BGR555)
return (TRUE);
case GBR565:
_BUILD_SETUP(GBR565)
return (TRUE);
case GBR555:
_BUILD_SETUP(GBR555)
return (TRUE);
case RGB5551:
_BUILD_SETUP(RGB5551)
return (TRUE);
default:
break;
}
return (FALSE);
}
#endif
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