Revert "Merge pull request #12 from AJenbo/8d"

This reverts commit 87fd51a072, reversing
changes made to ded254bb72.
This commit is contained in:
VoxelTek 2025-08-21 10:38:15 +10:00
parent 7f6f489138
commit 87c293e507
3 changed files with 434 additions and 145 deletions

View File

@ -852,7 +852,7 @@ void LegoVideoManager::SetCursorBitmap(const CursorBitmap* p_cursorBitmap)
m_cursorRect.bottom = p_cursorBitmap->height; m_cursorRect.bottom = p_cursorBitmap->height;
m_cursorRect.right = p_cursorBitmap->width; m_cursorRect.right = p_cursorBitmap->width;
m_cursorSurface = MxDisplaySurface::CreateCursorSurface(p_cursorBitmap, m_videoParam.GetPalette()); m_cursorSurface = MxDisplaySurface::CreateCursorSurface(p_cursorBitmap);
if (m_cursorSurface == NULL) { if (m_cursorSurface == NULL) {
m_drawCursor = FALSE; m_drawCursor = FALSE;

View File

@ -92,7 +92,7 @@ class MxDisplaySurface : public MxCore {
); // vtable+0x44 ); // vtable+0x44
void ClearScreen(); void ClearScreen();
static LPDIRECTDRAWSURFACE CreateCursorSurface(const CursorBitmap* p_cursorBitmap, MxPalette* p_palette); static LPDIRECTDRAWSURFACE CreateCursorSurface(const CursorBitmap* p_cursorBitmap);
static LPDIRECTDRAWSURFACE CopySurface(LPDIRECTDRAWSURFACE p_src); static LPDIRECTDRAWSURFACE CopySurface(LPDIRECTDRAWSURFACE p_src);
LPDIRECTDRAWSURFACE GetDirectDrawSurface1() { return m_ddSurface1; } LPDIRECTDRAWSURFACE GetDirectDrawSurface1() { return m_ddSurface1; }
@ -105,7 +105,8 @@ class MxDisplaySurface : public MxCore {
MxU32 p_bitmapSize, MxU32 p_bitmapSize,
MxS32 p_width, MxS32 p_width,
MxS32 p_height, MxS32 p_height,
MxLong p_pitch MxLong p_pitch,
MxU8 p_bpp
); );
LPDIRECTDRAWSURFACE FUN_100bc8b0(MxS32 p_width, MxS32 p_height); LPDIRECTDRAWSURFACE FUN_100bc8b0(MxS32 p_width, MxS32 p_height);
@ -122,6 +123,8 @@ class MxDisplaySurface : public MxCore {
LPDIRECTDRAWCLIPPER m_ddClipper; // 0x34 LPDIRECTDRAWCLIPPER m_ddClipper; // 0x34
MxBool m_initialized; // 0x38 MxBool m_initialized; // 0x38
DDSURFACEDESC m_surfaceDesc; // 0x3c DDSURFACEDESC m_surfaceDesc; // 0x3c
MxU16* m_16bitPal; // 0xa8
MxU32* m_32bitPal;
}; };
// SYNTHETIC: LEGO1 0x100ba580 // SYNTHETIC: LEGO1 0x100ba580

View File

@ -39,6 +39,8 @@ void MxDisplaySurface::Init()
m_ddSurface1 = NULL; m_ddSurface1 = NULL;
m_ddSurface2 = NULL; m_ddSurface2 = NULL;
m_ddClipper = NULL; m_ddClipper = NULL;
m_16bitPal = NULL;
m_32bitPal = NULL;
m_initialized = FALSE; m_initialized = FALSE;
memset(&m_surfaceDesc, 0, sizeof(m_surfaceDesc)); memset(&m_surfaceDesc, 0, sizeof(m_surfaceDesc));
} }
@ -288,6 +290,14 @@ void MxDisplaySurface::Destroy()
} }
} }
if (m_16bitPal) {
delete[] m_16bitPal;
}
if (m_32bitPal) {
delete[] m_32bitPal;
}
Init(); Init();
} }
@ -316,6 +326,58 @@ void MxDisplaySurface::SetPalette(MxPalette* p_palette)
DeleteObject(hpal); DeleteObject(hpal);
} }
} }
MxS32 bitCount = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount;
if (bitCount == 8) {
return;
}
if (bitCount == 16) {
if (!m_16bitPal) {
m_16bitPal = new MxU16[256];
}
}
else {
if (!m_32bitPal) {
m_32bitPal = new MxU32[256];
}
}
PALETTEENTRY palette[256];
p_palette->GetEntries(palette);
auto& fmt = m_surfaceDesc.ddpfPixelFormat;
MxU8 cRed = CountContiguousBitsSetTo1(fmt.dwRBitMask);
MxU8 tRed = CountTotalBitsSetTo1(fmt.dwRBitMask);
MxU8 cGreen = CountContiguousBitsSetTo1(fmt.dwGBitMask);
MxU8 tGreen = CountTotalBitsSetTo1(fmt.dwGBitMask);
MxU8 cBlue = CountContiguousBitsSetTo1(fmt.dwBBitMask);
MxU8 tBlue = CountTotalBitsSetTo1(fmt.dwBBitMask);
MxU8 cAlpha = 0;
MxU8 tAlpha = 0;
if (bitCount == 32) {
cAlpha = CountContiguousBitsSetTo1(fmt.dwRGBAlphaBitMask);
tAlpha = CountTotalBitsSetTo1(fmt.dwRGBAlphaBitMask);
}
for (MxS32 i = 0; i < 256; i++) {
MxU32 red = (palette[i].peRed >> (8 - tRed)) << cRed;
MxU32 green = (palette[i].peGreen >> (8 - tGreen)) << cGreen;
MxU32 blue = (palette[i].peBlue >> (8 - tBlue)) << cBlue;
if (bitCount == 16) {
m_16bitPal[i] = static_cast<MxU16>(red | green | blue);
}
else {
MxU32 alpha = 0xFF;
if (bitCount == 32 && tAlpha > 0) {
alpha = (0xFF >> (8 - tAlpha)) << cAlpha;
}
m_32bitPal[i] = red | green | blue | alpha;
}
}
} }
// FUNCTION: LEGO1 0x100bacc0 // FUNCTION: LEGO1 0x100bacc0
@ -350,34 +412,25 @@ void MxDisplaySurface::VTable0x28(
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT | DDSD_CAPS; ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT | DDSD_CAPS;
ddsd.dwWidth = p_width; ddsd.dwWidth = p_width;
ddsd.dwHeight = p_height; ddsd.dwHeight = p_height;
ddsd.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT); ddsd.ddpfPixelFormat = m_surfaceDesc.ddpfPixelFormat;
ddsd.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
ddsd.ddpfPixelFormat.dwRGBBitCount = 8;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
LPDIRECTDRAWSURFACE tempSurface = nullptr; LPDIRECTDRAWSURFACE tempSurface = nullptr;
LPDIRECTDRAW draw = MVideoManager()->GetDirectDraw(); LPDIRECTDRAW draw = MVideoManager()->GetDirectDraw();
HRESULT hr = draw->CreateSurface(&ddsd, &tempSurface, nullptr); HRESULT hr = draw->CreateSurface(&ddsd, &tempSurface, nullptr);
if (hr != DD_OK || !tempSurface) { if (hr != DD_OK || !tempSurface) {
return; return;
} }
MxBITMAPINFO* bmi = p_bitmap->GetBitmapInfo(); if (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount != 32) {
if (bmi) { DDCOLORKEY colorKey;
PALETTEENTRY pe[256]; if (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount == 8) {
for (int i = 0; i < 256; i++) { colorKey.dwColorSpaceLowValue = colorKey.dwColorSpaceHighValue = 0x10;
pe[i].peRed = bmi->m_bmiColors[i].rgbRed;
pe[i].peGreen = bmi->m_bmiColors[i].rgbGreen;
pe[i].peBlue = bmi->m_bmiColors[i].rgbBlue;
pe[i].peFlags = PC_NONE;
} }
else {
LPDIRECTDRAWPALETTE palette = nullptr; colorKey.dwColorSpaceLowValue = colorKey.dwColorSpaceHighValue = RGB555_CREATE(0x1f, 0, 0x1f);
if (draw->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256, pe, &palette, NULL) == DD_OK && palette) {
tempSurface->SetPalette(palette);
palette->Release();
} }
tempSurface->SetColorKey(DDCKEY_SRCBLT, &colorKey);
} }
DDSURFACEDESC tempDesc; DDSURFACEDESC tempDesc;
@ -395,21 +448,47 @@ void MxDisplaySurface::VTable0x28(
return; return;
} }
MxU8* src = p_bitmap->GetStart(p_left, p_top); MxU8* data = p_bitmap->GetStart(p_left, p_top);
MxLong stride = GetAdjustedStride(p_bitmap);
MxU8* dst = (MxU8*) tempDesc.lpSurface;
for (MxS32 y = 0; y < p_height; y++) { MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
memcpy(dst, src, p_width); MxU8* surface = (MxU8*) tempDesc.lpSurface;
src += stride;
dst += tempDesc.lPitch; MxLong stride = (bytesPerPixel == 1) ? GetAdjustedStride(p_bitmap) : -p_width + GetAdjustedStride(p_bitmap);
MxLong length = tempDesc.lPitch - (p_width * bytesPerPixel);
for (MxS32 i = 0; i < p_height; i++) {
if (bytesPerPixel == 1) {
memcpy(surface, data, p_width);
surface += length + p_width;
}
else if (bytesPerPixel == 2) {
for (MxS32 j = 0; j < p_width; j++) {
*(MxU16*) surface = m_16bitPal[*data++];
surface += bytesPerPixel;
}
surface += length;
}
else {
for (MxS32 j = 0; j < p_width; j++) {
*(MxU32*) surface = m_32bitPal[*data++];
surface += bytesPerPixel;
}
surface += length;
}
data += stride;
} }
tempSurface->Unlock(NULL); tempSurface->Unlock(NULL);
int scale = m_videoParam.Flags().GetDoubleScaling() ? 2 : 1; if (m_videoParam.Flags().GetDoubleScaling()) {
RECT destRect = {p_right, p_bottom, p_right + p_width * scale, p_bottom + p_height * scale}; RECT destRect = {p_right, p_bottom, p_right + p_width * 2, p_bottom + p_height * 2};
m_ddSurface2->Blt(&destRect, tempSurface, NULL, DDBLT_WAIT | DDBLT_KEYSRC, NULL); m_ddSurface2->Blt(&destRect, tempSurface, NULL, DDBLT_WAIT | DDBLT_KEYSRC, NULL);
}
else {
m_ddSurface2->BltFast(p_right, p_bottom, tempSurface, NULL, DDBLTFAST_WAIT | DDBLTFAST_SRCCOLORKEY);
}
tempSurface->Release(); tempSurface->Release();
} }
@ -447,36 +526,15 @@ void MxDisplaySurface::VTable0x30(
ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT | DDSD_CAPS; ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT | DDSD_CAPS;
ddsd.dwWidth = p_width; ddsd.dwWidth = p_width;
ddsd.dwHeight = p_height; ddsd.dwHeight = p_height;
ddsd.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT); ddsd.ddpfPixelFormat = m_surfaceDesc.ddpfPixelFormat;
ddsd.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
ddsd.ddpfPixelFormat.dwRGBBitCount = 8;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
LPDIRECTDRAWSURFACE tempSurface = nullptr;
LPDIRECTDRAW draw = MVideoManager()->GetDirectDraw(); LPDIRECTDRAW draw = MVideoManager()->GetDirectDraw();
LPDIRECTDRAWSURFACE tempSurface = nullptr;
HRESULT hr = draw->CreateSurface(&ddsd, &tempSurface, nullptr); if (draw->CreateSurface(&ddsd, &tempSurface, nullptr) != DD_OK || !tempSurface) {
if (hr != DD_OK || !tempSurface) {
return; return;
} }
MxBITMAPINFO* bmi = p_bitmap->GetBitmapInfo();
if (bmi) {
PALETTEENTRY pe[256];
for (int i = 0; i < 256; i++) {
pe[i].peRed = bmi->m_bmiColors[i].rgbRed;
pe[i].peGreen = bmi->m_bmiColors[i].rgbGreen;
pe[i].peBlue = bmi->m_bmiColors[i].rgbBlue;
pe[i].peFlags = PC_NONE;
}
LPDIRECTDRAWPALETTE palette = nullptr;
if (draw->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256, pe, &palette, NULL) == DD_OK && palette) {
tempSurface->SetPalette(palette);
palette->Release();
}
}
DDCOLORKEY colorKey; DDCOLORKEY colorKey;
colorKey.dwColorSpaceLowValue = colorKey.dwColorSpaceHighValue = 0; colorKey.dwColorSpaceLowValue = colorKey.dwColorSpaceHighValue = 0;
tempSurface->SetColorKey(DDCKEY_SRCBLT, &colorKey); tempSurface->SetColorKey(DDCKEY_SRCBLT, &colorKey);
@ -490,32 +548,45 @@ void MxDisplaySurface::VTable0x30(
return; return;
} }
MxU8* src = p_bitmap->GetStart(p_left, p_top); MxU8* data = p_bitmap->GetStart(p_left, p_top);
MxU8* dst = (MxU8*) tempDesc.lpSurface;
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
MxU8* surface = (MxU8*) tempDesc.lpSurface;
if (p_RLE) { if (p_RLE) {
MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage; MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage;
DrawTransparentRLE(src, dst, size, p_width, p_height, tempDesc.lPitch); DrawTransparentRLE(data, surface, size, p_width, p_height, tempDesc.lPitch, bytesPerPixel * 8);
} }
else { else {
MxLong stride = GetAdjustedStride(p_bitmap); MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong length = -bytesPerPixel * p_width + tempDesc.lPitch;
for (MxS32 y = 0; y < p_height; y++) { for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 x = 0; x < p_width; x++) { for (MxS32 j = 0; j < p_width; j++) {
MxU8 val = src[x]; if (*data != 0) {
if (val != 0) { switch (bytesPerPixel) {
dst[x] = val; case 1:
*surface = *data;
break;
case 2:
*(MxU16*) surface = m_16bitPal[*data];
break;
default:
*(MxU32*) surface = m_32bitPal[*data];
break;
}
} }
data++;
surface += bytesPerPixel;
} }
src += stride; data += stride;
dst += tempDesc.lPitch; surface += length;
} }
} }
tempSurface->Unlock(NULL); tempSurface->Unlock(NULL);
RECT destRect = {p_right, p_bottom, p_right + p_width, p_bottom + p_height}; m_ddSurface2->BltFast(p_right, p_bottom, tempSurface, NULL, DDBLTFAST_WAIT | DDBLTFAST_SRCCOLORKEY);
m_ddSurface2->Blt(&destRect, tempSurface, NULL, DDBLT_WAIT | DDBLT_KEYSRC, NULL);
tempSurface->Release(); tempSurface->Release();
} }
@ -528,7 +599,8 @@ void MxDisplaySurface::DrawTransparentRLE(
MxU32 p_bitmapSize, MxU32 p_bitmapSize,
MxS32 p_width, MxS32 p_width,
MxS32 p_height, MxS32 p_height,
MxLong p_pitch MxLong p_pitch,
MxU8 p_bpp
) )
{ {
/* Assumes partial RLE for the bitmap: only the skipped pixels are compressed. /* Assumes partial RLE for the bitmap: only the skipped pixels are compressed.
@ -548,6 +620,11 @@ void MxDisplaySurface::DrawTransparentRLE(
MxU32 drawCount; MxU32 drawCount;
MxU32 t; MxU32 t;
if (p_bpp == 16) {
// DECOMP: why goto?
goto sixteen_bit;
}
while (p_bitmapData < end) { while (p_bitmapData < end) {
skipCount = *p_bitmapData++; skipCount = *p_bitmapData++;
t = *p_bitmapData++; t = *p_bitmapData++;
@ -603,6 +680,70 @@ void MxDisplaySurface::DrawTransparentRLE(
p_surfaceData += tail; p_surfaceData += tail;
p_bitmapData += tail; p_bitmapData += tail;
} }
return;
sixteen_bit:
while (p_bitmapData < end) {
skipCount = *p_bitmapData++;
t = *p_bitmapData++;
skipCount += t << 8;
t = *p_bitmapData++;
skipCount += t << 16;
MxS32 rowRemainder = p_width - count % p_width;
count += skipCount;
if (skipCount >= rowRemainder) {
p_surfaceData += 2 * rowRemainder;
skipCount -= rowRemainder;
p_surfaceData += p_pitch - 2 * p_width;
p_surfaceData += p_pitch * (skipCount / p_width);
}
p_surfaceData += 2 * (skipCount % p_width);
if (p_bitmapData >= end) {
break;
}
drawCount = *p_bitmapData++;
t = *p_bitmapData++;
drawCount += t << 8;
t = *p_bitmapData++;
drawCount += t << 16;
rowRemainder = p_width - count % p_width;
count += drawCount;
if (drawCount >= rowRemainder) {
// memcpy
for (MxU32 j = 0; j < rowRemainder; j++) {
*((MxU16*) p_surfaceData) = m_16bitPal[*p_bitmapData++];
p_surfaceData += 2;
}
drawCount -= rowRemainder;
p_surfaceData += p_pitch - 2 * p_width;
MxS32 rows = drawCount / p_width;
for (MxU32 i = 0; i < rows; i++) {
// memcpy
for (MxS32 j = 0; j < p_width; j++) {
*((MxU16*) p_surfaceData) = m_16bitPal[*p_bitmapData++];
p_surfaceData += 2;
}
p_surfaceData += p_pitch - 2 * p_width;
}
}
MxS32 tail = drawCount % p_width;
// memcpy
for (MxS32 j = 0; j < tail; j++) {
*((MxU16*) p_surfaceData) = m_16bitPal[*p_bitmapData++];
p_surfaceData += 2;
}
}
} }
// FUNCTION: LEGO1 0x100bba50 // FUNCTION: LEGO1 0x100bba50
@ -688,9 +829,7 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::VTable0x44(
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT; ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT;
ddsd.dwWidth = p_bitmap->GetBmiWidth(); ddsd.dwWidth = p_bitmap->GetBmiWidth();
ddsd.dwHeight = p_bitmap->GetBmiHeightAbs(); ddsd.dwHeight = p_bitmap->GetBmiHeightAbs();
ddsd.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT); ddsd.ddpfPixelFormat = m_surfaceDesc.ddpfPixelFormat;
ddsd.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
ddsd.ddpfPixelFormat.dwRGBBitCount = 8;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN; ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
*p_ret = 0; *p_ret = 0;
ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY; ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
@ -713,22 +852,6 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::VTable0x44(
} }
if (surface) { if (surface) {
MxBITMAPINFO* bmi = p_bitmap->GetBitmapInfo();
if (bmi) {
PALETTEENTRY pe[256];
for (int i = 0; i < 256; i++) {
pe[i].peRed = bmi->m_bmiColors[i].rgbRed;
pe[i].peGreen = bmi->m_bmiColors[i].rgbGreen;
pe[i].peBlue = bmi->m_bmiColors[i].rgbBlue;
pe[i].peFlags = PC_NONE;
}
LPDIRECTDRAWPALETTE palette = nullptr;
if (draw->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256, pe, &palette, NULL) == DD_OK && palette) {
surface->SetPalette(palette);
palette->Release();
}
}
memset(&ddsd, 0, sizeof(ddsd)); memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd); ddsd.dwSize = sizeof(ddsd);
@ -750,15 +873,63 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::VTable0x44(
rowSeek *= -1; rowSeek *= -1;
} }
MxS32 bytesPerPixel = ddsd.ddpfPixelFormat.dwRGBBitCount / 8;
if (bytesPerPixel != 1) {
if ((bytesPerPixel == 2 && m_16bitPal == NULL) || (bytesPerPixel != 2 && m_32bitPal == NULL)) {
goto error;
}
}
MxU32 transparentColor;
switch (bytesPerPixel) {
case 1:
transparentColor = 0;
break;
case 2:
transparentColor = RGB555_CREATE(0x1f, 0, 0x1f);
break;
default:
transparentColor = RGB8888_CREATE(0, 0, 0, 0);
break;
}
MxU8* surfacePtr = (MxU8*) ddsd.lpSurface; MxU8* surfacePtr = (MxU8*) ddsd.lpSurface;
MxS32 pixelSize = bytesPerPixel;
MxS32 adjustedRowSeek = rowSeek - widthNormal; MxS32 adjustedRowSeek = rowSeek - widthNormal;
MxS32 adjustedPitch = newPitch - widthNormal; MxS32 adjustedPitch = newPitch - pixelSize * widthNormal;
for (MxS32 y = 0; y < heightAbs; y++) { for (MxS32 y = 0; y < heightAbs; y++) {
for (MxS32 x = 0; x < widthNormal; x++) { for (MxS32 x = 0; x < widthNormal; x++) {
*surfacePtr = *bitmapSrcPtr; switch (bytesPerPixel) {
case 1: {
// For 8-bit, just copy the pixel directly
*surfacePtr = *bitmapSrcPtr;
break;
}
case 2: {
MxU16* surfaceData16 = (MxU16*) surfacePtr;
if (p_transparent && *bitmapSrcPtr == 0) {
*surfaceData16 = transparentColor;
}
else {
*surfaceData16 = m_16bitPal[*bitmapSrcPtr];
}
break;
}
default: {
MxU32* surfaceData32 = (MxU32*) surfacePtr;
if (p_transparent && *bitmapSrcPtr == 0) {
*surfaceData32 = transparentColor;
}
else {
*surfaceData32 = m_32bitPal[*bitmapSrcPtr];
}
break;
}
}
bitmapSrcPtr++; bitmapSrcPtr++;
surfacePtr++; surfacePtr += pixelSize;
} }
bitmapSrcPtr += adjustedRowSeek; bitmapSrcPtr += adjustedRowSeek;
surfacePtr += adjustedPitch; surfacePtr += adjustedPitch;
@ -766,9 +937,9 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::VTable0x44(
surface->Unlock(ddsd.lpSurface); surface->Unlock(ddsd.lpSurface);
if (p_transparent && surface) { if (p_transparent && surface && bytesPerPixel != 4) {
DDCOLORKEY key; DDCOLORKEY key;
key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = 0; key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = transparentColor;
surface->SetColorKey(DDCKEY_SRCBLT, &key); surface->SetColorKey(DDCKEY_SRCBLT, &key);
} }
} }
@ -800,19 +971,6 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::CopySurface(LPDIRECTDRAWSURFACE p_src)
return NULL; return NULL;
} }
LPDIRECTDRAWPALETTE srcPalette = nullptr;
if (p_src->GetPalette(&srcPalette) == DD_OK && srcPalette) {
PALETTEENTRY pe[256];
if (srcPalette->GetEntries(0, 0, 256, pe) == DD_OK) {
LPDIRECTDRAWPALETTE newPalette = nullptr;
if (draw->CreatePalette(DDPCAPS_8BIT | DDPCAPS_ALLOW256, pe, &newPalette, NULL) == DD_OK) {
newSurface->SetPalette(newPalette);
newPalette->Release();
}
}
srcPalette->Release();
}
RECT rect = {0, 0, (LONG) ddsd.dwWidth, (LONG) ddsd.dwHeight}; RECT rect = {0, 0, (LONG) ddsd.dwWidth, (LONG) ddsd.dwHeight};
if (newSurface->BltFast(0, 0, p_src, &rect, DDBLTFAST_WAIT) != DD_OK) { if (newSurface->BltFast(0, 0, p_src, &rect, DDBLTFAST_WAIT) != DD_OK) {
@ -852,20 +1010,68 @@ void MxDisplaySurface::VTable0x24(
return; return;
} }
MxU8* src = p_bitmap->GetStart(p_left, p_top); MxU8* data = p_bitmap->GetStart(p_left, p_top);
MxU8* dest = (MxU8*) p_desc->lpSurface + p_right + (p_bottom * p_desc->lPitch);
MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width; if (m_videoParam.Flags().GetDoubleScaling()) {
MxLong destSkip = p_desc->lPitch - p_width; p_bottom *= 2;
p_right *= 2;
for (MxS32 y = 0; y < p_height; y++) { MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
for (MxS32 x = 0; x < p_width; x++) { MxU8* surface = (MxU8*) p_desc->lpSurface + bytesPerPixel * p_right + (p_bottom * p_desc->lPitch);
*dest = *src;
src++; MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width;
dest++; MxLong destSkip = p_desc->lPitch - 2 * bytesPerPixel * p_width;
MxS32 copyWidth = 2 * bytesPerPixel * p_width;
while (p_height--) {
MxU8* surfaceBefore = surface;
for (MxS32 x = 0; x < p_width; x++) {
if (bytesPerPixel == 1) {
surface[0] = surface[1] = *data;
}
else if (bytesPerPixel == 2) {
MxU16 val = m_16bitPal[*data];
((MxU16*) surface)[0] = ((MxU16*) surface)[1] = val;
}
else {
MxU32 val = m_32bitPal[*data];
((MxU32*) surface)[0] = ((MxU32*) surface)[1] = val;
}
surface += bytesPerPixel * 2;
data++;
}
data += srcSkip;
surface += destSkip;
memcpy(surface, surfaceBefore, copyWidth);
surface += p_desc->lPitch;
}
}
else {
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
MxU8* surface = (MxU8*) p_desc->lpSurface + bytesPerPixel * p_right + (p_bottom * p_desc->lPitch);
MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width;
MxLong destSkip = p_desc->lPitch - bytesPerPixel * p_width;
for (MxS32 y = 0; y < p_height; y++) {
for (MxS32 x = 0; x < p_width; x++) {
if (bytesPerPixel == 1) {
*surface = *data++;
}
else if (bytesPerPixel == 2) {
*(MxU16*) surface = m_16bitPal[*data++];
}
else {
*(MxU32*) surface = m_32bitPal[*data++];
}
surface += bytesPerPixel;
}
data += srcSkip;
surface += destSkip;
} }
src += srcSkip;
dest += destSkip;
} }
} }
@ -900,25 +1106,43 @@ void MxDisplaySurface::VTable0x2c(
} }
MxU8* src = p_bitmap->GetStart(p_left, p_top); MxU8* src = p_bitmap->GetStart(p_left, p_top);
MxU8* dest = (MxU8*) p_desc->lpSurface + p_right + (p_bottom * p_desc->lPitch);
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
MxLong destStride = p_desc->lPitch;
MxU8* dest = (MxU8*) p_desc->lpSurface + bytesPerPixel * p_right + (p_bottom * destStride);
if (p_RLE) { if (p_RLE) {
DrawTransparentRLE(src, dest, p_bitmap->GetBmiHeader()->biSizeImage, p_width, p_height, p_desc->lPitch); DrawTransparentRLE(
src,
dest,
p_bitmap->GetBmiHeader()->biSizeImage,
p_width,
p_height,
destStride,
m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount
);
} }
else { else {
MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width; MxLong srcStride = GetAdjustedStride(p_bitmap);
MxLong destSkip = p_desc->lPitch - p_width; MxLong srcSkip = srcStride - p_width;
MxLong destSkip = destStride - bytesPerPixel * p_width;
for (MxS32 y = 0; y < p_height; y++) { for (MxS32 i = 0; i < p_height; i++, src += srcSkip, dest += destSkip) {
for (MxS32 x = 0; x < p_width; x++) { for (MxS32 j = 0; j < p_width; j++, src++) {
if (*src != 0) { if (*src != 0) {
*dest = *src; switch (bytesPerPixel) {
case 1:
*dest = *src;
break;
case 2:
*(MxU16*) dest = m_16bitPal[*src];
break;
default:
*(MxU32*) dest = m_32bitPal[*src];
break;
}
} }
src++; dest += bytesPerPixel;
dest++;
} }
src += srcSkip;
dest += destSkip;
} }
} }
} }
@ -959,35 +1183,38 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::FUN_100bc8b0(MxS32 p_width, MxS32 p_height
return surface; return surface;
} }
LPDIRECTDRAWSURFACE MxDisplaySurface::CreateCursorSurface(const CursorBitmap* p_cursorBitmap, MxPalette* p_palette) LPDIRECTDRAWSURFACE MxDisplaySurface::CreateCursorSurface(const CursorBitmap* p_cursorBitmap)
{ {
LPDIRECTDRAWSURFACE newSurface = NULL; LPDIRECTDRAWSURFACE newSurface = NULL;
IDirectDraw* draw = MVideoManager()->GetDirectDraw(); IDirectDraw* draw = MVideoManager()->GetDirectDraw();
MVideoManager();
DDSURFACEDESC ddsd; DDSURFACEDESC ddsd;
memset(&ddsd, 0, sizeof(ddsd)); memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd); ddsd.dwSize = sizeof(ddsd);
if (draw->GetDisplayMode(&ddsd) != DD_OK) {
return NULL;
}
MxS32 bytesPerPixel = ddsd.ddpfPixelFormat.dwRGBBitCount / 8;
MxBool isAlphaAvailable = ((ddsd.ddpfPixelFormat.dwFlags & DDPF_ALPHAPIXELS) == DDPF_ALPHAPIXELS) &&
(ddsd.ddpfPixelFormat.dwRGBAlphaBitMask != 0);
ddsd.dwWidth = p_cursorBitmap->width; ddsd.dwWidth = p_cursorBitmap->width;
ddsd.dwHeight = p_cursorBitmap->height; ddsd.dwHeight = p_cursorBitmap->height;
ddsd.dwFlags = DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS; ddsd.dwFlags = DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_OFFSCREENPLAIN; ddsd.ddsCaps.dwCaps = DDSCAPS_VIDEOMEMORY | DDSCAPS_OFFSCREENPLAIN;
ddsd.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
ddsd.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
ddsd.ddpfPixelFormat.dwRGBBitCount = 8;
if (draw->CreateSurface(&ddsd, &newSurface, NULL) != DD_OK) { if (draw->CreateSurface(&ddsd, &newSurface, NULL) != DD_OK) {
ddsd.ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY; ddsd.ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY;
ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY; ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
if (draw->CreateSurface(&ddsd, &newSurface, NULL) != DD_OK) { if (draw->CreateSurface(&ddsd, &newSurface, NULL) != DD_OK) {
return NULL; goto done;
} }
} }
IDirectDrawPalette* palette = p_palette->CreateNativePalette();
newSurface->SetPalette(palette);
memset(&ddsd, 0, sizeof(ddsd)); memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd); ddsd.dwSize = sizeof(ddsd);
@ -1004,22 +1231,81 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::CreateCursorSurface(const CursorBitmap* p_
MxBool isOpaque = (p_cursorBitmap->mask[byteIndex] >> bitOffset) & 1; MxBool isOpaque = (p_cursorBitmap->mask[byteIndex] >> bitOffset) & 1;
MxBool isBlack = (p_cursorBitmap->data[byteIndex] >> bitOffset) & 1; MxBool isBlack = (p_cursorBitmap->data[byteIndex] >> bitOffset) & 1;
MxU8* surface = (MxU8*) ddsd.lpSurface; switch (bytesPerPixel) {
case 1: {
MxU8* surface = (MxU8*) ddsd.lpSurface;
MxU8 pixel; MxU8 pixel;
if (!isOpaque) { if (!isOpaque) {
pixel = 0x10; pixel = 0x10;
}
else {
pixel = isBlack ? 0 : 0xff;
}
}
case 2: {
MxU16* surface = (MxU16*) ddsd.lpSurface;
MxU16 pixel;
if (!isOpaque) {
pixel = RGB555_CREATE(0x1f, 0, 0x1f);
}
else {
pixel = isBlack ? RGB555_CREATE(0, 0, 0) : RGB555_CREATE(0x1f, 0x1f, 0x1f);
}
surface[x + y * p_cursorBitmap->width] = pixel;
break;
}
default: {
MxU32* surface = (MxU32*) ddsd.lpSurface;
MxS32 pixel;
if (!isOpaque) {
if (isAlphaAvailable) {
pixel = RGB8888_CREATE(0, 0, 0, 0);
}
else {
pixel = RGB8888_CREATE(0xff, 0, 0xff, 0);
} // Transparent pixel
}
else {
pixel = isBlack ? RGB8888_CREATE(0, 0, 0, 0xff) : RGB8888_CREATE(0xff, 0xff, 0xff, 0xff);
}
surface[x + y * p_cursorBitmap->width] = pixel;
break;
} }
else {
pixel = isBlack ? 0 : 0xff;
} }
} }
} }
newSurface->Unlock(ddsd.lpSurface); newSurface->Unlock(ddsd.lpSurface);
DDCOLORKEY colorkey; switch (bytesPerPixel) {
colorkey.dwColorSpaceHighValue = colorkey.dwColorSpaceLowValue = 0x10; case 1: {
newSurface->SetColorKey(DDCKEY_SRCBLT, &colorkey); DDCOLORKEY colorkey;
colorkey.dwColorSpaceHighValue = 0x10;
colorkey.dwColorSpaceLowValue = 0x10;
newSurface->SetColorKey(DDCKEY_SRCBLT, &colorkey);
break;
}
case 2: {
DDCOLORKEY colorkey;
colorkey.dwColorSpaceHighValue = RGB555_CREATE(0x1f, 0, 0x1f);
colorkey.dwColorSpaceLowValue = RGB555_CREATE(0x1f, 0, 0x1f);
newSurface->SetColorKey(DDCKEY_SRCBLT, &colorkey);
break;
}
default: {
if (!isAlphaAvailable) {
DDCOLORKEY colorkey;
colorkey.dwColorSpaceHighValue = RGB8888_CREATE(0xff, 0, 0xff, 0);
colorkey.dwColorSpaceLowValue = RGB8888_CREATE(0xff, 0, 0xff, 0);
newSurface->SetColorKey(DDCKEY_SRCBLT, &colorkey);
}
break;
}
}
return newSurface; return newSurface;
} }