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This commit is contained in:
Christian Semmler 2024-12-23 11:05:09 -07:00
parent dcbcf7a8a4
commit 5994df1407
1 changed files with 68 additions and 58 deletions
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126
LEGO1/omni/src/video/mxdisplaysurface.cpp
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@ -1,6 +1,7 @@
#include "mxdisplaysurface.h"
#include "mxbitmap.h"
#include "mxdebug.h"
#include "mxmisc.h"
#include "mxomni.h"
#include "mxpalette.h"
@ -740,65 +741,74 @@ void MxDisplaySurface::DrawTransparentRLE(
}
// FUNCTION: LEGO1 0x100bb850
void MxDisplaySurface::VTable0x34(MxU8 *p_pixels, MxS32 p_bpp, MxS32 p_width, MxS32 p_height, MxS32 p_x, MxS32 p_y)
// FUNCTION: BETA10 0x10141191
void MxDisplaySurface::VTable0x34(MxU8* p_pixels, MxS32 p_bpp, MxS32 p_width, MxS32 p_height, MxS32 p_x, MxS32 p_y)
{
DDSURFACEDESC surfaceDesc;
memset(&surfaceDesc, 0, sizeof(surfaceDesc));
surfaceDesc.dwSize = sizeof(surfaceDesc);
HRESULT result = m_ddSurface2->Lock(NULL, &surfaceDesc, DDLOCK_WAIT, NULL);
if (result == DDERR_SURFACELOST) {
m_ddSurface2->Restore();
result = m_ddSurface2->Lock(NULL, &surfaceDesc, DDLOCK_WAIT, NULL);
}
if (result != DD_OK) {
return;
}
int dst_bitcount = m_surfaceDesc.ddpfPixelFormat.dwRGBBitCount;
switch (dst_bitcount) {
case 8:
if (p_bpp == 16) {
// BUG: should go to end of function and unlock m_ddSurface2
return;
} else {
MxU8 *dst = (MxU8 *)surfaceDesc.lpSurface + p_y * surfaceDesc.lPitch + p_x;
MxU8 *src = p_pixels;
while (p_height != 0) {
p_height--;
memcpy(dst, src, p_width);
src += p_width;
dst += surfaceDesc.lPitch;
}
}
break;
case 16:
switch (p_bpp) {
case 16: {
MxU8 *dst = (MxU8 *)surfaceDesc.lpSurface + p_y * surfaceDesc.lPitch + 2 * p_x;
MxU8 *src = p_pixels;
while (p_height != 0) {
p_height--;
memcpy(dst, src, 2 * p_width);
src += 2 * p_width;
dst += surfaceDesc.lPitch;
}
break;
}
case 8: {
MxU8 *dst = (MxU8 *)surfaceDesc.lpSurface + p_y * surfaceDesc.lPitch + 2 * p_x;
MxU8 *src = p_pixels;
for (MxS32 i = 0; i < p_height; src += p_width, dst += surfaceDesc.lPitch, i++) {
for (MxS32 j = 0; j < p_width; dst += 2, src += 1, j++) {
*(MxU16 *) dst = m_16bitPal[*src];
}
}
break;
}
default:
break;
}
break;
}
m_ddSurface2->Unlock(surfaceDesc.lpSurface);
DDSURFACEDESC surfaceDesc;
memset(&surfaceDesc, 0, sizeof(surfaceDesc));
surfaceDesc.dwSize = sizeof(surfaceDesc);
HRESULT result = m_ddSurface2->Lock(NULL, &surfaceDesc, DDLOCK_WAIT, NULL);
if (result == DDERR_SURFACELOST) {
m_ddSurface2->Restore();
result = m_ddSurface2->Lock(NULL, &surfaceDesc, DDLOCK_WAIT, NULL);
}
if (result == DD_OK) {
MxU8* pixels = p_pixels;
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;
while (p_height--) {
memcpy(dst, pixels, p_width);
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++) {
*(MxU16*) dst = m_16bitPal[*pixels++];
dst += 2;
}
pixels += stride;
dst += length;
}
}
}
}
m_ddSurface2->Unlock(surfaceDesc.lpSurface);
}
}
// FUNCTION: LEGO1 0x100bba50