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Add 32bit color support (#311)

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Anders Jenbo 2025-06-15 01:09:23 +02:00 committed by GitHub
parent 65aafd2f44
commit 4c80c8d923
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GPG Key ID: B5690EEEBB952194
7 changed files with 365 additions and 429 deletions
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47
LEGO1/lego/legoomni/src/common/mxtransitionmanager.cpp
View File

@ -240,10 +240,14 @@ void MxTransitionManager::DissolveTransition()
MxU8* surf = (MxU8*) ddsd.lpSurface + ddsd.lPitch * row + xShift;
*surf = 0;
}
else {
else if (ddsd.ddpfPixelFormat.dwRGBBitCount == 16) {
MxU8* surf = (MxU8*) ddsd.lpSurface + ddsd.lPitch * row + xShift * 2;
*(MxU16*) surf = 0;
}
else {
MxU8* surf = (MxU8*) ddsd.lpSurface + ddsd.lPitch * row + xShift * 4;
*(MxU32*) surf = 0;
}
}
}
@ -329,22 +333,43 @@ void MxTransitionManager::MosaicTransition()
MxU8* source = (MxU8*) ddsd.lpSurface + 10 * row * ddsd.lPitch + bytesPerPixel * xShift;
// Sample byte or word depending on display mode.
MxU32 sample = bytesPerPixel == 1 ? *source : *(MxU16*) source;
MxU32 sample;
switch (bytesPerPixel) {
case 1:
sample = *source;
break;
case 2:
sample = *(MxU16*) source;
break;
default:
sample = *(MxU32*) source;
break;
}
// For each of the 10 rows in the 10x10 square:
for (MxS32 k = 10 * row; k < 10 * row + 10; k++) {
if (ddsd.ddpfPixelFormat.dwRGBBitCount == 8) {
// Optimization: If the pixel is only one byte, we can use memset
MxU8* pos = ((MxU8*) ddsd.lpSurface + k * ddsd.lPitch + xShift);
memset(pos, sample, 10);
}
else {
// Need to double xShift because it measures pixels not bytes
MxU16* pos = (MxU16*) ((MxU8*) ddsd.lpSurface + k * ddsd.lPitch + 2 * xShift);
void* pos = (MxU8*) ddsd.lpSurface + k * ddsd.lPitch + bytesPerPixel * xShift;
switch (bytesPerPixel) {
case 1: {
// Optimization: If the pixel is only one byte, we can use memset
memset(pos, sample, 10);
break;
}
case 2: {
MxU16* p = (MxU16*) pos;
for (MxS32 tt = 0; tt < 10; tt++) {
pos[tt] = sample;
p[tt] = (MxU16) sample;
}
break;
}
default: {
MxU32* p = (MxU32*) pos;
for (MxS32 tt = 0; tt < 10; tt++) {
p[tt] = (MxU32) sample;
}
break;
}
}
}
}

1
LEGO1/omni/include/mxdisplaysurface.h
View File

@ -128,6 +128,7 @@ private:
MxBool m_initialized; // 0x38
DDSURFACEDESC m_surfaceDesc; // 0x3c
MxU16* m_16bitPal; // 0xa8
MxU32* m_32bitPal;
};
// SYNTHETIC: LEGO1 0x100ba580

719
LEGO1/omni/src/video/mxdisplaysurface.cpp
View File

@ -19,6 +19,7 @@
DECOMP_SIZE_ASSERT(MxDisplaySurface, 0xac);
#define RGB555_CREATE(R, G, B) (((R) << 10) | (G) << 5 | (B) << 0)
#define RGB8888_CREATE(R, G, B, A) (((A) << 24) | ((R) << 16) | ((G) << 8) | (B))
// GLOBAL: LEGO1 0x1010215c
MxU32 g_unk0x1010215c = 0;
@ -42,6 +43,7 @@ void MxDisplaySurface::Init()
m_ddSurface2 = NULL;
m_ddClipper = NULL;
m_16bitPal = NULL;
m_32bitPal = NULL;
m_initialized = FALSE;
memset(&m_surfaceDesc, 0, sizeof(m_surfaceDesc));
}
@ -51,7 +53,6 @@ void MxDisplaySurface::ClearScreen()
{
MxS32 backBuffers;
DDSURFACEDESC desc;
HRESULT hr;
if (!m_videoParam.Flags().GetFlipSurfaces()) {
backBuffers = 1;
@ -60,29 +61,27 @@ void MxDisplaySurface::ClearScreen()
backBuffers = m_videoParam.GetBackBuffers() + 1;
}
MxS32 width = m_videoParam.GetRect().GetWidth();
MxS32 height = m_videoParam.GetRect().GetHeight();
RECT rc = {0, 0, width, height};
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
if (m_ddSurface2->GetSurfaceDesc(&desc) != DD_OK) {
return;
}
DDBLTFX ddBltFx = {};
ddBltFx.dwSize = sizeof(DDBLTFX);
ddBltFx.dwFillColor = 0;
for (MxS32 i = 0; i < backBuffers; i++) {
memset(&desc, 0, sizeof(DDSURFACEDESC));
desc.dwSize = sizeof(DDSURFACEDESC);
hr = m_ddSurface2->Lock(NULL, &desc, DDLOCK_WAIT, NULL);
if (hr == DDERR_SURFACELOST) {
if (m_ddSurface2->Blt(&rc, NULL, NULL, DDBLT_COLORFILL | DDBLT_WAIT, &ddBltFx) == DDERR_SURFACELOST) {
m_ddSurface2->Restore();
hr = m_ddSurface2->Lock(NULL, &desc, DDLOCK_WAIT, NULL);
m_ddSurface2->Blt(&rc, NULL, NULL, DDBLT_COLORFILL | DDBLT_WAIT, &ddBltFx);
}
if (hr != DD_OK) {
return;
}
MxU8* surface = (MxU8*) desc.lpSurface;
MxS32 height = m_videoParam.GetRect().GetHeight();
while (height--) {
memset(surface, 0, desc.lPitch);
surface += desc.lPitch;
}
m_ddSurface2->Unlock(desc.lpSurface);
if (m_videoParam.Flags().GetFlipSurfaces()) {
m_ddSurface1->Flip(NULL, DDFLIP_WAIT);
}
@ -189,7 +188,7 @@ MxResult MxDisplaySurface::Create(MxVideoParam& p_videoParam)
goto done;
}
MxS32 bitdepth = !m_videoParam.Flags().Get16Bit() ? 8 : 16;
MxS32 bitdepth = !m_videoParam.Flags().Get16Bit() ? 8 : ddsd.ddpfPixelFormat.dwRGBBitCount;
if (ddsd.dwWidth != width || ddsd.dwHeight != height || ddsd.ddpfPixelFormat.dwRGBBitCount != bitdepth) {
if (lpDirectDraw->SetDisplayMode(width, height, bitdepth)) {
@ -287,6 +286,10 @@ void MxDisplaySurface::Destroy()
delete[] m_16bitPal;
}
if (m_32bitPal) {
delete[] m_32bitPal;
}
Init();
}
@ -316,34 +319,56 @@ void MxDisplaySurface::SetPalette(MxPalette* p_palette)
}
}
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8:
break;
case 16: {
MxS32 bitCount = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount;
if (bitCount == 8) {
return;
}
if (bitCount == 16) {
if (!m_16bitPal) {
m_16bitPal = new MxU16[256];
}
PALETTEENTRY palette[256];
p_palette->GetEntries(palette);
MxU8 contiguousBitsRed = CountContiguousBitsSetTo1(m_surfaceDesc.ddpfPixelFormat.dwRBitMask);
MxU8 totalBitsRed = CountTotalBitsSetTo1(m_surfaceDesc.ddpfPixelFormat.dwRBitMask);
MxU8 contiguousBitsGreen = CountContiguousBitsSetTo1(m_surfaceDesc.ddpfPixelFormat.dwGBitMask);
MxU8 totalBitsGreen = CountTotalBitsSetTo1(m_surfaceDesc.ddpfPixelFormat.dwGBitMask);
MxU8 contiguousBitsBlue = CountContiguousBitsSetTo1(m_surfaceDesc.ddpfPixelFormat.dwBBitMask);
MxU8 totalBitsBlue = CountTotalBitsSetTo1(m_surfaceDesc.ddpfPixelFormat.dwBBitMask);
for (MxS32 i = 0; i < 256; i++) {
m_16bitPal[i] = ((palette[i].peRed >> (8 - totalBitsRed)) << contiguousBitsRed) |
((palette[i].peGreen >> (8 - totalBitsGreen)) << contiguousBitsGreen) |
((palette[i].peBlue >> (8 - totalBitsBlue)) << contiguousBitsBlue);
}
break;
}
default:
break;
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;
}
}
}
@ -389,120 +414,69 @@ void MxDisplaySurface::VTable0x28(
MxU8* data = p_bitmap->GetStart(p_left, p_top);
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
if (m_videoParam.Flags().GetF1bit3()) {
p_bottom *= 2;
p_right *= 2;
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxU8* surface = (MxU8*) ddsd.lpSurface + p_right + (p_bottom * ddsd.lPitch);
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxU8* surface = (MxU8*) ddsd.lpSurface + (bytesPerPixel * p_right) + (p_bottom * ddsd.lPitch);
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxS32 copyWidth = p_width * bytesPerPixel * 2;
MxLong length = -(copyWidth) + ddsd.lPitch;
MxLong length = -2 * p_width + ddsd.lPitch;
while (p_height--) {
MxU8* surfaceBefore = surface;
while (p_height--) {
MxU8* surfaceBefore = surface;
for (MxS32 i = 0; p_width > i; i++) {
*surface++ = *data;
*surface++ = *data++;
for (MxS32 i = 0; i < p_width; i++) {
if (bytesPerPixel == 1) {
surface[0] = surface[1] = *data;
}
else if (bytesPerPixel == 2) {
((MxU16*) surface)[0] = ((MxU16*) surface)[1] = m_16bitPal[*data];
}
else {
((MxU32*) surface)[0] = ((MxU32*) surface)[1] = m_32bitPal[*data];
}
surface += bytesPerPixel * 2;
data++;
}
if (stride || length != ddsd.lPitch - copyWidth) {
data += stride;
surface += length;
memcpy(surface, surfaceBefore, 2 * p_width);
surface += ddsd.lPitch;
}
break;
}
case 16: {
MxU8* surface = (MxU8*) ddsd.lpSurface + (2 * p_right) + (p_bottom * ddsd.lPitch);
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxS32 length = -4 * p_width + ddsd.lPitch;
MxS32 height = p_height;
MxS32 width = p_width;
MxS32 copyWidth = width * 4;
MxU16* p16bitPal = m_16bitPal;
MxS32 i;
if (!stride && !length) {
while (height--) {
MxU8* surfaceBefore = surface;
for (i = 0; i < width; i++) {
MxU16 element = p16bitPal[*data];
*(MxU16*) surface = element;
surface += 2;
*(MxU16*) surface = element;
data++;
surface += 2;
}
memcpy(surface, surfaceBefore, copyWidth);
surface += ddsd.lPitch;
}
}
else {
while (height--) {
MxU8* surfaceBefore = surface;
for (i = 0; i < width; i++) {
MxU16 element = p16bitPal[*data];
*(MxU16*) surface = element;
surface += 2;
*(MxU16*) surface = element;
data++;
surface += 2;
}
data += stride;
surface += length;
memcpy(surface, surfaceBefore, p_width * 4);
surface += ddsd.lPitch;
}
}
break;
}
default:
break;
memcpy(surface, surfaceBefore, copyWidth);
surface += ddsd.lPitch;
}
}
else {
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxU8* surface = (MxU8*) ddsd.lpSurface + p_right + (p_bottom * ddsd.lPitch);
MxLong stride = GetAdjustedStride(p_bitmap);
MxU8* surface = (MxU8*) ddsd.lpSurface + (bytesPerPixel * p_right) + (p_bottom * ddsd.lPitch);
MxLong stride = (bytesPerPixel == 1) ? GetAdjustedStride(p_bitmap) : -p_width + GetAdjustedStride(p_bitmap);
MxLong length = ddsd.lPitch - (p_width * bytesPerPixel);
MxLong length = ddsd.lPitch;
while (p_height--) {
for (MxS32 i = 0; i < p_height; i++) {
if (bytesPerPixel == 1) {
memcpy(surface, data, p_width);
data += stride;
surface += length;
surface += length + p_width;
}
break;
}
case 16: {
MxU8* surface = (MxU8*) ddsd.lpSurface + (2 * p_right) + (p_bottom * ddsd.lPitch);
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong length = -2 * p_width + ddsd.lPitch;
for (MxS32 i = 0; i < p_height; i++) {
else if (bytesPerPixel == 2) {
for (MxS32 j = 0; j < p_width; j++) {
*(MxU16*) surface = m_16bitPal[*data++];
surface += 2;
surface += bytesPerPixel;
}
data += stride;
surface += length;
}
break;
}
default:
break;
else {
for (MxS32 j = 0; j < p_width; j++) {
*(MxU32*) surface = m_32bitPal[*data++];
surface += bytesPerPixel;
}
surface += length;
}
data += stride;
}
}
@ -552,61 +526,38 @@ void MxDisplaySurface::VTable0x30(
MxU8* data = p_bitmap->GetStart(p_left, p_top);
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxU8* surface = (MxU8*) ddsd.lpSurface + p_right + (p_bottom * ddsd.lPitch);
if (p_RLE) {
MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage;
DrawTransparentRLE(data, surface, size, p_width, p_height, ddsd.lPitch, 8);
}
else {
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
MxU8* surface = (MxU8*) ddsd.lpSurface + (bytesPerPixel * p_right) + (p_bottom * ddsd.lPitch);
MxLong length = -p_width + ddsd.lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
if (*data != 0) {
if (p_RLE) {
MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage;
DrawTransparentRLE(data, surface, size, p_width, p_height, ddsd.lPitch, bytesPerPixel * 8);
}
else {
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong length = -bytesPerPixel * p_width + ddsd.lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
if (*data != 0) {
switch (bytesPerPixel) {
case 1:
*surface = *data;
}
data++;
surface++;
}
data += stride;
surface += length;
}
}
break;
}
case 16: {
MxU8* surface = (MxU8*) ddsd.lpSurface + (2 * p_right) + (p_bottom * ddsd.lPitch);
if (p_RLE) {
MxS32 size = p_bitmap->GetBmiHeader()->biSizeImage;
DrawTransparentRLE(data, surface, size, p_width, p_height, ddsd.lPitch, 16);
}
else {
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong length = -2 * p_width + ddsd.lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
if (*data != 0) {
break;
case 2:
*(MxU16*) surface = m_16bitPal[*data];
break;
default:
*(MxU32*) surface = m_32bitPal[*data];
break;
}
data++;
surface += 2;
}
data += stride;
surface += length;
data++;
surface += bytesPerPixel;
}
data += stride;
surface += length;
}
break;
}
default:
break;
}
m_ddSurface2->Unlock(ddsd.lpSurface);
@ -784,55 +735,39 @@ void MxDisplaySurface::VTable0x34(MxU8* p_pixels, MxS32 p_bpp, MxS32 p_width, Mx
if (result == DD_OK) {
MxU8* pixels = p_pixels;
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
if (p_bpp != 8 && bytesPerPixel != p_bpp) {
MxTrace("Source format to display format NOT_IMPLEMENTED");
assert(0);
return;
}
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
if (p_bpp == 16) {
MxTrace("16 bit source to 8 bit display NOT_IMPLEMENTED");
assert(0);
return;
}
MxU8* dst = (MxU8*) surfaceDesc.lpSurface + p_y * surfaceDesc.lPitch + p_x;
MxLong stride = p_width;
MxLong length = surfaceDesc.lPitch;
MxU8* dst = (MxU8*) surfaceDesc.lpSurface + p_y * surfaceDesc.lPitch + bytesPerPixel * p_x;
MxLong stride = p_width * bytesPerPixel;
MxLong length = -bytesPerPixel * p_width + surfaceDesc.lPitch;
if (bytesPerPixel == p_bpp) {
while (p_height--) {
memcpy(dst, pixels, p_width);
memcpy(dst, pixels, p_width * bytesPerPixel);
pixels += stride;
dst += length;
}
break;
}
case 16: {
if (p_bpp == 16) {
MxU8* dst = (MxU8*) surfaceDesc.lpSurface + p_y * surfaceDesc.lPitch + p_x;
MxLong stride = p_width * 2;
MxLong length = surfaceDesc.lPitch;
while (p_height--) {
memcpy(dst, pixels, 2 * p_width);
pixels += stride;
dst += length;
}
}
else if (p_bpp == 8) {
MxU8* dst = (MxU8*) surfaceDesc.lpSurface + p_y * surfaceDesc.lPitch + 2 * p_x;
MxLong stride = p_width * 2;
MxLong length = -2 * p_width + surfaceDesc.lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
else {
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
if (bytesPerPixel == 2) {
*(MxU16*) dst = m_16bitPal[*pixels++];
dst += 2;
}
pixels += stride;
dst += length;
else {
*(MxU32*) dst = m_32bitPal[*pixels++];
}
dst += bytesPerPixel;
}
pixels += stride;
dst += length;
}
}
}
m_ddSurface2->Unlock(surfaceDesc.lpSurface);
}
@ -965,77 +900,97 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::VTable0x44(
}
else {
MxU8* bitmapSrcPtr = p_bitmap->GetStart(0, 0);
MxU16* surfaceData = (MxU16*) ddsd.lpSurface;
MxLong widthNormal = p_bitmap->GetBmiWidth();
MxLong heightAbs = p_bitmap->GetBmiHeightAbs();
MxLong newPitch = ddsd.lPitch;
MxS32 rowSeek = p_bitmap->AlignToFourByte(p_bitmap->GetBmiWidth());
MxS32 rowSeek = p_bitmap->AlignToFourByte(widthNormal);
if (!p_bitmap->IsTopDown()) {
rowSeek *= -1;
}
switch (ddsd.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
for (MxS32 y = 0; y < heightAbs; y++) {
memcpy(surfaceData, bitmapSrcPtr, widthNormal);
bitmapSrcPtr += rowSeek;
surfaceData = (MxU16*) ((MxU8*) surfaceData + newPitch);
}
MxS32 bytesPerPixel = ddsd.ddpfPixelFormat.dwRGBBitCount / 8;
surface->Unlock(ddsd.lpSurface);
if (p_transparent && surface) {
DDCOLORKEY key;
key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = 0;
surface->SetColorKey(DDCKEY_SRCBLT, &key);
}
break;
}
case 16: {
if (m_16bitPal == NULL) {
if (bytesPerPixel != 1) {
if ((bytesPerPixel == 2 && m_16bitPal == NULL) || (bytesPerPixel != 2 && m_32bitPal == NULL)) {
goto error;
}
}
rowSeek -= widthNormal;
newPitch -= 2 * widthNormal;
if (p_transparent) {
for (MxS32 y = 0; y < heightAbs; y++) {
for (MxS32 x = 0; x < widthNormal; x++) {
if (*bitmapSrcPtr == 0) {
*surfaceData = RGB555_CREATE(0x1f, 0, 0x1f);
}
else {
*surfaceData = m_16bitPal[*bitmapSrcPtr];
}
bitmapSrcPtr++;
surfaceData++;
}
bitmapSrcPtr += rowSeek;
surfaceData = (MxU16*) ((MxU8*) surfaceData + newPitch);
}
DDCOLORKEY key;
key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = RGB555_CREATE(0x1f, 0, 0x1f);
surface->SetColorKey(DDCKEY_SRCBLT, &key);
}
else {
for (MxS32 y = 0; y < heightAbs; y++) {
for (MxS32 x = 0; x < widthNormal; x++) {
*surfaceData++ = m_16bitPal[*bitmapSrcPtr++];
}
bitmapSrcPtr += rowSeek;
surfaceData = (MxU16*) ((MxU8*) surfaceData + newPitch);
}
}
surface->Unlock(ddsd.lpSurface);
MxU32 transparentColor;
switch (bytesPerPixel) {
case 1:
transparentColor = 0;
break;
case 2:
transparentColor = RGB555_CREATE(0x1f, 0, 0x1f);
break;
default:
transparentColor = RGB8888_CREATE(0xff, 0, 0xff, 0);
break;
}
MxU8* surfacePtr = (MxU8*) ddsd.lpSurface;
MxS32 pixelSize = bytesPerPixel;
MxS32 adjustedRowSeek = rowSeek - widthNormal;
MxS32 adjustedPitch = newPitch - pixelSize * widthNormal;
for (MxS32 y = 0; y < heightAbs; y++) {
for (MxS32 x = 0; x < widthNormal; x++) {
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++;
surfacePtr += pixelSize;
}
bitmapSrcPtr += adjustedRowSeek;
surfacePtr += adjustedPitch;
}
if (p_transparent && surface) {
DDCOLORKEY key;
key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = transparentColor;
surface->SetColorKey(DDCKEY_SRCBLT, &key);
}
surface->Unlock(ddsd.lpSurface);
if (p_transparent && surface) {
DDCOLORKEY key;
if (bytesPerPixel == 1) {
key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = 0;
}
else if (bytesPerPixel == 2) {
key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = RGB555_CREATE(0x1f, 0, 0x1f);
}
else {
key.dwColorSpaceLowValue = key.dwColorSpaceHighValue = RGB8888_CREATE(0xff, 0, 0xff, 0);
}
surface->SetColorKey(DDCKEY_SRCBLT, &key);
}
}
}
@ -1191,116 +1146,61 @@ void MxDisplaySurface::VTable0x24(
p_bottom *= 2;
p_right *= 2;
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxU8* surface = (MxU8*) p_desc->lpSurface + p_right + (p_bottom * p_desc->lPitch);
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
MxU8* surface = (MxU8*) p_desc->lpSurface + bytesPerPixel * p_right + (p_bottom * p_desc->lPitch);
MxLong length = -2 * p_width + p_desc->lPitch;
while (p_height--) {
MxU8* surfaceBefore = surface;
MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width;
MxLong destSkip = p_desc->lPitch - 2 * bytesPerPixel * p_width;
MxS32 copyWidth = 2 * bytesPerPixel * p_width;
for (MxS32 i = 0; p_width > i; i++) {
*surface++ = *data;
*surface++ = *data++;
while (p_height--) {
MxU8* surfaceBefore = surface;
for (MxS32 x = 0; x < p_width; x++) {
if (bytesPerPixel == 1) {
surface[0] = surface[1] = *data;
}
data += stride;
surface += length;
memcpy(surface, surfaceBefore, 2 * p_width);
surface += p_desc->lPitch;
}
break;
}
case 16: {
MxU8* surface = (MxU8*) p_desc->lpSurface + (2 * p_right) + (p_bottom * p_desc->lPitch);
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxS32 length = -4 * p_width + p_desc->lPitch;
MxS32 height = p_height;
MxS32 width = p_width;
MxS32 copyWidth = width * 4;
MxU16* p16bitPal = m_16bitPal;
MxS32 i;
if (!stride && !length) {
while (height--) {
MxU8* surfaceBefore = surface;
for (i = 0; i < width; i++) {
MxU16 element = p16bitPal[*data];
*(MxU16*) surface = element;
surface += 2;
*(MxU16*) surface = element;
data++;
surface += 2;
}
memcpy(surface, surfaceBefore, copyWidth);
surface += p_desc->lPitch;
else if (bytesPerPixel == 2) {
MxU16 val = m_16bitPal[*data];
((MxU16*) surface)[0] = ((MxU16*) surface)[1] = val;
}
}
else {
while (height--) {
MxU8* surfaceBefore = surface;
for (i = 0; i < width; i++) {
MxU16 element = p16bitPal[*data];
*(MxU16*) surface = element;
surface += 2;
*(MxU16*) surface = element;
data++;
surface += 2;
}
data += stride;
surface += length;
memcpy(surface, surfaceBefore, p_width * 4);
surface += p_desc->lPitch;
else {
MxU32 val = m_32bitPal[*data];
((MxU32*) surface)[0] = ((MxU32*) surface)[1] = val;
}
surface += bytesPerPixel * 2;
data++;
}
break;
}
default:
break;
data += srcSkip;
surface += destSkip;
memcpy(surface, surfaceBefore, copyWidth);
surface += p_desc->lPitch;
}
}
else {
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxU8* surface = (MxU8*) p_desc->lpSurface + p_right + (p_bottom * p_desc->lPitch);
MxLong stride = GetAdjustedStride(p_bitmap);
MxS32 bytesPerPixel = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount / 8;
MxU8* surface = (MxU8*) p_desc->lpSurface + bytesPerPixel * p_right + (p_bottom * p_desc->lPitch);
MxLong length = p_desc->lPitch;
while (p_height--) {
memcpy(surface, data, p_width);
data += stride;
surface += length;
}
break;
}
case 16: {
MxU8* surface = (MxU8*) p_desc->lpSurface + (2 * p_right) + (p_bottom * p_desc->lPitch);
MxLong stride = -p_width + GetAdjustedStride(p_bitmap);
MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width;
MxLong destSkip = p_desc->lPitch - bytesPerPixel * p_width;
MxLong length = -2 * p_width + p_desc->lPitch;
for (MxS32 i = 0; i < p_height; i++) {
for (MxS32 j = 0; j < p_width; j++) {
*(MxU16*) surface = m_16bitPal[*data++];
surface += 2;
for (MxS32 y = 0; y < p_height; y++) {
for (MxS32 x = 0; x < p_width; x++) {
if (bytesPerPixel == 1) {
*surface = *data++;
}
data += stride;
surface += length;
else if (bytesPerPixel == 2) {
*(MxU16*) surface = m_16bitPal[*data++];
}
else {
*(MxU32*) surface = m_32bitPal[*data++];
}
surface += bytesPerPixel;
}
break;
}
default:
break;
data += srcSkip;
surface += destSkip;
}
}
}
@ -1337,52 +1237,43 @@ void MxDisplaySurface::VTable0x2c(
MxU8* src = p_bitmap->GetStart(p_left, p_top);
switch (m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount) {
case 8: {
MxLong destStride = p_desc->lPitch;
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) {
DrawTransparentRLE(src, dest, p_bitmap->GetBmiHeader()->biSizeImage, p_width, p_height, p_desc->lPitch, 8);
}
else {
MxLong srcSkip = GetAdjustedStride(p_bitmap) - p_width;
MxLong destSkip = destStride - p_width;
for (MxS32 i = 0; i < p_height; i++, src += srcSkip, dest += destSkip) {
for (MxS32 j = 0; j < p_width; j++, src++, dest++) {
if (*src) {
if (p_RLE) {
DrawTransparentRLE(
src,
dest,
p_bitmap->GetBmiHeader()->biSizeImage,
p_width,
p_height,
destStride,
m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount
);
}
else {
MxLong srcStride = GetAdjustedStride(p_bitmap);
MxLong srcSkip = srcStride - p_width;
MxLong destSkip = destStride - bytesPerPixel * p_width;
for (MxS32 i = 0; i < p_height; i++, src += srcSkip, dest += destSkip) {
for (MxS32 j = 0; j < p_width; j++, src++) {
if (*src != 0) {
switch (bytesPerPixel) {
case 1:
*dest = *src;
}
}
}
}
break;
}
case 16: {
MxLong destStride = p_desc->lPitch;
MxU8* dest = (MxU8*) p_desc->lpSurface + (2 * p_right) + (p_bottom * p_desc->lPitch);
if (p_RLE) {
DrawTransparentRLE(src, dest, p_bitmap->GetBmiHeader()->biSizeImage, p_width, p_height, p_desc->lPitch, 16);
}
else {
MxLong srcStride = GetAdjustedStride(p_bitmap);
MxLong srcSkip = srcStride - p_width;
MxLong destSkip = destStride - 2 * p_width;
for (MxS32 i = 0; i < p_height; i++, src += srcSkip, dest += destSkip) {
for (MxS32 j = 0; j < p_width; j++, src++, dest += 2) {
if (*src != 0) {
break;
case 2:
*(MxU16*) dest = m_16bitPal[*src];
break;
default:
*(MxU32*) dest = m_32bitPal[*src];
break;
}
}
dest += bytesPerPixel;
}
}
break;
}
default:
break;
}
}
@ -1402,7 +1293,7 @@ LPDIRECTDRAWSURFACE MxDisplaySurface::FUN_100bc8b0(MxS32 p_width, MxS32 p_height
return NULL;
}
if (surfaceDesc.ddpfPixelFormat.dwRGBBitCount != 16) {
if (surfaceDesc.ddpfPixelFormat.dwRGBBitCount == 8) {
return NULL;
}

2
miniwin/CMakeLists.txt
View File

@ -37,8 +37,6 @@ if(OpenGL_FOUND AND GLEW_FOUND)
target_link_libraries(miniwin PRIVATE GLEW::GLEW)
endif()
# Force reported render mods from MiniWin
target_compile_definitions(miniwin PRIVATE MINIWIN_PIXELFORMAT=SDL_PIXELFORMAT_RGB565)
target_compile_definitions(miniwin PUBLIC MINIWIN)
target_include_directories(miniwin

7
miniwin/include/miniwin/ddraw.h
View File

@ -132,10 +132,14 @@ ENABLE_BITMASK_OPERATORS(DDPixelCaps)
#define DDBLT_NONE DDBltFlags::NONE
#define DDBLT_KEYSRC DDBltFlags::KEYSRC
#define DDBLT_ROP DDBltFlags::ROP
#define DDBLT_COLORFILL DDBltFlags::COLORFILL
#define DDBLT_WAIT DDBltFlags::WAIT
enum class DDBltFlags : uint32_t {
NONE = 0,
COLORFILL = 1 << 10,
KEYSRC = 1 << 15,
ROP = 1 << 17,
WAIT = 1 << 24,
};
ENABLE_BITMASK_OPERATORS(DDBltFlags)
@ -243,7 +247,9 @@ struct DDBLTFX {
DWORD dwSize;
DWORD dwDDFX;
DWORD dwROP;
DWORD dwFillColor;
};
typedef DDBLTFX *LPDDBLTFX, *LPDDENUMSURFACESCALLBACK;
struct DDPIXELFORMAT {
DWORD dwSize;
@ -303,7 +309,6 @@ struct IDirectDrawClipper : virtual public IUnknown {
};
typedef IDirectDrawClipper* LPDIRECTDRAWCLIPPER;
typedef void *LPDDBLTFX, *LPDDENUMSURFACESCALLBACK;
typedef struct IDirectDrawSurface* LPDIRECTDRAWSURFACE;
struct IDirectDrawSurface : virtual public IUnknown {
virtual HRESULT AddAttachedSurface(LPDIRECTDRAWSURFACE lpDDSAttachedSurface) = 0;

15
miniwin/src/ddraw/ddsurface.cpp
View File

@ -88,6 +88,21 @@ HRESULT DirectDrawSurfaceImpl::Blt(
LPDDBLTFX lpDDBltFx
)
{
if ((dwFlags & DDBLT_COLORFILL) == DDBLT_COLORFILL) {
SDL_Rect rect = {0, 0, m_surface->w, m_surface->h};
const SDL_PixelFormatDetails* details = SDL_GetPixelFormatDetails(m_surface->format);
Uint8 r = (lpDDBltFx->dwFillColor >> 16) & 0xFF;
Uint8 g = (lpDDBltFx->dwFillColor >> 8) & 0xFF;
Uint8 b = lpDDBltFx->dwFillColor & 0xFF;
DirectDrawPaletteImpl* ddPal = static_cast<DirectDrawPaletteImpl*>(m_palette);
SDL_Palette* sdlPalette = ddPal ? ddPal->m_palette : nullptr;
Uint32 color = SDL_MapRGB(details, sdlPalette, r, g, b);
SDL_FillSurfaceRect(m_surface, &rect, color);
if (m_autoFlip) {
return Flip(nullptr, DDFLIP_WAIT);
}
return DD_OK;
}
auto srcSurface = static_cast<DirectDrawSurfaceImpl*>(lpDDSrcSurface);
if (!srcSurface || !srcSurface->m_surface) {
return DDERR_GENERIC;

3
tools/ncc/skip.yml
View File

@ -8,6 +8,7 @@ GetNoCD_SourceName(): 'DLL exported function'
m_3dView: 'Allow this variable name'
m_3dManager: 'Allow this variable name'
m_16bitPal: 'Allow this variable name'
m_32bitPal: 'Allow this variable name'
m_HWDesc: 'Allow this variable name'
m_HELDesc: 'Allow this variable name'
p_HWDesc: 'Allow this variable name'
@ -71,4 +72,4 @@ ckid: "Re-defined Windows name"
cksize: "Re-defined Windows name"
fccType: "Re-defined Windows name"
dwDataOffset: "Re-defined Windows name"
fccType: "Re-defined Windows name"
fccType: "Re-defined Windows name"