diff options
| author | Karl Schultz <kschultz@freedesktop.org> | 2002-01-16 15:42:17 +0000 |
|---|---|---|
| committer | Karl Schultz <kschultz@freedesktop.org> | 2002-01-16 15:42:17 +0000 |
| commit | 4197c0ea9b6784d293b26d68c4c62e5edb87cda6 (patch) | |
| tree | e963a1766ddf85f49f3ec9697b218c7d2ca6c4d3 /src/mesa | |
| parent | 43df32e4387d978bf07f3aa3edd9f6d2b9c67306 (diff) | |
Fixes for 24-bit Windows devices. The old code was trying to do 3-byte
stores with a full DWORD store (yuk). (Jeff Lewis)
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/windows/wmesa.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/mesa/drivers/windows/wmesa.c b/src/mesa/drivers/windows/wmesa.c index 692bf62939..47edef993e 100644 --- a/src/mesa/drivers/windows/wmesa.c +++ b/src/mesa/drivers/windows/wmesa.c @@ -1,4 +1,4 @@ -/* $Id: wmesa.c,v 1.24 2002/01/15 18:14:34 kschultz Exp $ */ +/* $Id: wmesa.c,v 1.25 2002/01/16 15:42:17 kschultz Exp $ */ /* * Windows (Win32) device driver for Mesa 3.4 @@ -474,9 +474,9 @@ static clear(GLcontext* ctx, GLbitfield mask, b = GetBValue(Current->clearpixel); iSize = Current->width; while (i < iSize) { - *lpb++ = r; - *lpb++ = g; *lpb++ = b; + *lpb++ = g; + *lpb++ = r; i++; } lpb = Current->pbPixels + Current->ScanWidth; @@ -1616,7 +1616,11 @@ wmSetPixel(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) else if(nBypp == 2) *((LPWORD)lpb) = BGR16(r,g,b); else if (nBypp == 3) - *((LPDWORD)lpb) = BGR24(r,g,b); + { + *lpb++ = b; + *lpb++ = g; + *lpb = r; + } else if (nBypp == 4) *((LPDWORD)lpb) = BGR32(r,g,b); } @@ -1638,7 +1642,9 @@ void wmSetPixel4(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) void wmSetPixel3(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) { LPBYTE lpb = pwc->pbPixels + pwc->ScanWidth * iScanLine + iPixel + iPixel + iPixel; - *((LPDWORD)lpb) = BGR24(r,g,b); + *lpb++ = b; + *lpb++ = g; + *lpb = r; } void wmSetPixel2(PWMC pwc, int iScanLine, int iPixel, BYTE r, BYTE g, BYTE b) |