From 4197c0ea9b6784d293b26d68c4c62e5edb87cda6 Mon Sep 17 00:00:00 2001 From: Karl Schultz Date: Wed, 16 Jan 2002 15:42:17 +0000 Subject: Fixes for 24-bit Windows devices. The old code was trying to do 3-byte stores with a full DWORD store (yuk). (Jeff Lewis) --- src/mesa/drivers/windows/wmesa.c | 16 +++++++++++----- 1 file 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) -- cgit v1.2.3