added support for GL_ARB_draw_buffers

29 files changed, 52 insertions, 52 deletions

diff --git a/src/mesa/drivers/dri/i810/i810context.c b/src/mesa/drivers/dri/i810/i810context.c
index 0822b6b8b14..7db354d193f 100644
--- a/src/mesa/drivers/dri/i810/i810context.c
+++ b/src/mesa/drivers/dri/i810/i810context.c
@@ -384,7 +384,7 @@ void i810XMesaSetBackClipRects( i810ContextPtr imesa )
 
 static void i810XMesaWindowMoved( i810ContextPtr imesa )
 {
-   switch (imesa->glCtx->Color._DrawDestMask) {
+   switch (imesa->glCtx->Color._DrawDestMask[0]) {
    case DD_FRONT_LEFT_BIT:
       i810XMesaSetFrontClipRects( imesa );
       break;
@@ -448,7 +448,7 @@ i810UpdatePageFlipping( i810ContextPtr imesa )
    GLcontext *ctx = imesa->glCtx;
    int front = 0;
 
-   switch (ctx->Color._DrawDestMask) {
+   switch (ctx->Color._DrawDestMask[0]) {
    case DD_FRONT_LEFT_BIT:
       front = 1;
       break;
diff --git a/src/mesa/drivers/dri/i810/i810ioctl.c b/src/mesa/drivers/dri/i810/i810ioctl.c
index 1e49d1782e4..c62e5817899 100644
--- a/src/mesa/drivers/dri/i810/i810ioctl.c
+++ b/src/mesa/drivers/dri/i810/i810ioctl.c
@@ -225,7 +225,7 @@ void i810PageFlip( const __DRIdrawablePrivate *dPriv )
    }
 
   /*  i810SetDrawBuffer( imesa->glCtx, imesa->glCtx->Color.DriverDrawBuffer );*/
-  i810DrawBuffer( imesa->glCtx, imesa->glCtx->Color.DrawBuffer );
+  i810DrawBuffer( imesa->glCtx, imesa->glCtx->Color.DrawBuffer[0] );
   imesa->upload_cliprects = GL_TRUE;
   imesa->lastSwap = tmp;
   return;
diff --git a/src/mesa/drivers/dri/i810/i810state.c b/src/mesa/drivers/dri/i810/i810state.c
index 4a1c15f8afc..35fad6529c9 100644
--- a/src/mesa/drivers/dri/i810/i810state.c
+++ b/src/mesa/drivers/dri/i810/i810state.c
@@ -284,7 +284,7 @@ void i810DrawBuffer(GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
      front = 1;
      break;
diff --git a/src/mesa/drivers/dri/i830/i830_context.c b/src/mesa/drivers/dri/i830/i830_context.c
index d5d8e0a9d43..b69f11a0c0d 100644
--- a/src/mesa/drivers/dri/i830/i830_context.c
+++ b/src/mesa/drivers/dri/i830/i830_context.c
@@ -468,7 +468,7 @@ void i830XMesaSetBackClipRects( i830ContextPtr imesa )
 
 static void i830XMesaWindowMoved( i830ContextPtr imesa )
 {
-   switch (imesa->glCtx->Color._DrawDestMask) {
+   switch (imesa->glCtx->Color._DrawDestMask[0]) {
    case DD_FRONT_LEFT_BIT:
       i830XMesaSetFrontClipRects( imesa );
       break;
diff --git a/src/mesa/drivers/dri/i830/i830_state.c b/src/mesa/drivers/dri/i830/i830_state.c
index 3fe645aa8fd..12cec35c3da 100644
--- a/src/mesa/drivers/dri/i830/i830_state.c
+++ b/src/mesa/drivers/dri/i830/i830_state.c
@@ -803,7 +803,7 @@ static void i830DrawBuffer(GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       I830_FIREVERTICES(imesa);
       I830_STATECHANGE(imesa, I830_UPLOAD_BUFFERS);
diff --git a/src/mesa/drivers/dri/i915/intel_context.c b/src/mesa/drivers/dri/i915/intel_context.c
index e637d38a11c..c1559e9567e 100644
--- a/src/mesa/drivers/dri/i915/intel_context.c
+++ b/src/mesa/drivers/dri/i915/intel_context.c
@@ -491,7 +491,7 @@ void intelSetBackClipRects( intelContextPtr intel )
 
 void intelWindowMoved( intelContextPtr intel )
 {
-   switch (intel->ctx.Color._DrawDestMask) {
+   switch (intel->ctx.Color._DrawDestMask[0]) {
    case DD_FRONT_LEFT_BIT:
       intelSetFrontClipRects( intel );
       break;
@@ -683,5 +683,5 @@ void intelInitState( GLcontext *ctx )
 			  ctx->Stencil.ZPassFunc[0]);
 
 
-   ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer );
+   ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer[0] );
 }
diff --git a/src/mesa/drivers/dri/i915/intel_state.c b/src/mesa/drivers/dri/i915/intel_state.c
index 46633c553e3..44ef775465a 100644
--- a/src/mesa/drivers/dri/i915/intel_state.c
+++ b/src/mesa/drivers/dri/i915/intel_state.c
@@ -43,7 +43,7 @@ static void intelDrawBuffer(GLcontext *ctx, GLenum mode )
    intelScreenPrivate *screen = intel->intelScreen;
    int front = 0;
  
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       front = 1;
       FALLBACK( intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE );
diff --git a/src/mesa/drivers/dri/mach64/mach64_lock.c b/src/mesa/drivers/dri/mach64/mach64_lock.c
index 0b4f61abc27..ea926944ed4 100644
--- a/src/mesa/drivers/dri/mach64/mach64_lock.c
+++ b/src/mesa/drivers/dri/mach64/mach64_lock.c
@@ -69,7 +69,7 @@ void mach64GetLock( mach64ContextPtr mmesa, GLuint flags )
 
    if ( mmesa->lastStamp != dPriv->lastStamp ) {
       mmesa->lastStamp = dPriv->lastStamp;
-      if (mmesa->glCtx->Color._DrawDestMask == DD_BACK_LEFT_BIT)
+      if (mmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT)
          mach64SetCliprects( mmesa->glCtx, GL_BACK_LEFT );
       else
          mach64SetCliprects( mmesa->glCtx, GL_FRONT_LEFT );
diff --git a/src/mesa/drivers/dri/mach64/mach64_state.c b/src/mesa/drivers/dri/mach64/mach64_state.c
index 99c8bad6c1d..91f588bb788 100644
--- a/src/mesa/drivers/dri/mach64/mach64_state.c
+++ b/src/mesa/drivers/dri/mach64/mach64_state.c
@@ -729,7 +729,7 @@ static void mach64DDDrawBuffer( GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       FALLBACK( mmesa, MACH64_FALLBACK_DRAW_BUFFER, GL_FALSE );
       mach64SetCliprects( ctx, GL_FRONT_LEFT );
diff --git a/src/mesa/drivers/dri/mga/mgastate.c b/src/mesa/drivers/dri/mga/mgastate.c
index fd00de43c21..6e63294f65e 100644
--- a/src/mesa/drivers/dri/mga/mgastate.c
+++ b/src/mesa/drivers/dri/mga/mgastate.c
@@ -822,7 +822,7 @@ static void mgaDDDrawBuffer(GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       mmesa->setup.dstorg = mmesa->mgaScreen->frontOffset;
       mmesa->dirty |= MGA_UPLOAD_CONTEXT;
diff --git a/src/mesa/drivers/dri/r128/r128_lock.c b/src/mesa/drivers/dri/r128/r128_lock.c
index 876db765755..f4b43d56c10 100644
--- a/src/mesa/drivers/dri/r128/r128_lock.c
+++ b/src/mesa/drivers/dri/r128/r128_lock.c
@@ -52,7 +52,7 @@ r128UpdatePageFlipping( r128ContextPtr rmesa )
 
    rmesa->doPageFlip = rmesa->sarea->pfAllowPageFlip;
 
-   use_back = (rmesa->glCtx->Color._DrawDestMask == DD_BACK_LEFT_BIT);
+   use_back = (rmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT);
    use_back ^= (rmesa->sarea->pfCurrentPage == 1);
 
    if ( R128_DEBUG & DEBUG_VERBOSE_API )
diff --git a/src/mesa/drivers/dri/r128/r128_state.c b/src/mesa/drivers/dri/r128/r128_state.c
index cd3e4181b33..4e43629f49b 100644
--- a/src/mesa/drivers/dri/r128/r128_state.c
+++ b/src/mesa/drivers/dri/r128/r128_state.c
@@ -713,7 +713,7 @@ static void r128DDDrawBuffer( GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       FALLBACK( rmesa, R128_FALLBACK_DRAW_BUFFER, GL_FALSE );
       break;
diff --git a/src/mesa/drivers/dri/r200/r200_lock.c b/src/mesa/drivers/dri/r200/r200_lock.c
index 539a4be619b..ef4fed52714 100644
--- a/src/mesa/drivers/dri/r200/r200_lock.c
+++ b/src/mesa/drivers/dri/r200/r200_lock.c
@@ -53,7 +53,7 @@ r200UpdatePageFlipping( r200ContextPtr rmesa )
    int use_back;
    rmesa->doPageFlip = rmesa->sarea->pfState;
 
-   use_back = (rmesa->glCtx->Color._DrawDestMask == DD_BACK_LEFT_BIT);
+   use_back = (rmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT);
    use_back ^= (rmesa->sarea->pfCurrentPage == 1);
    
    if (use_back) {
@@ -101,7 +101,7 @@ void r200GetLock( r200ContextPtr rmesa, GLuint flags )
 
    if ( rmesa->lastStamp != dPriv->lastStamp ) {
       r200UpdatePageFlipping( rmesa );
-      if (rmesa->glCtx->Color._DrawDestMask == DD_BACK_LEFT_BIT)
+      if (rmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT)
          r200SetCliprects( rmesa, GL_BACK_LEFT );
       else
          r200SetCliprects( rmesa, GL_FRONT_LEFT );
diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c
index c6c436743f5..dd547f9957a 100644
--- a/src/mesa/drivers/dri/r200/r200_state.c
+++ b/src/mesa/drivers/dri/r200/r200_state.c
@@ -1751,7 +1751,7 @@ static void r200DrawBuffer( GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       FALLBACK( rmesa, R200_FALLBACK_DRAW_BUFFER, GL_FALSE );
       r200SetCliprects( rmesa, GL_FRONT_LEFT );
diff --git a/src/mesa/drivers/dri/radeon/radeon_lock.c b/src/mesa/drivers/dri/radeon/radeon_lock.c
index 3bcd68d3e42..937a284e104 100644
--- a/src/mesa/drivers/dri/radeon/radeon_lock.c
+++ b/src/mesa/drivers/dri/radeon/radeon_lock.c
@@ -56,7 +56,7 @@ radeonUpdatePageFlipping( radeonContextPtr rmesa )
 
    rmesa->doPageFlip = rmesa->sarea->pfState;
 
-   use_back = (rmesa->glCtx->Color._DrawDestMask == DD_BACK_LEFT_BIT);
+   use_back = (rmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT);
    use_back ^= (rmesa->sarea->pfCurrentPage == 1);
 
    if ( RADEON_DEBUG & DEBUG_VERBOSE )
@@ -108,7 +108,7 @@ void radeonGetLock( radeonContextPtr rmesa, GLuint flags )
 
    if ( rmesa->lastStamp != dPriv->lastStamp ) {
       radeonUpdatePageFlipping( rmesa );
-      if (rmesa->glCtx->Color._DrawDestMask == DD_BACK_LEFT_BIT)
+      if (rmesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT)
          radeonSetCliprects( rmesa, GL_BACK_LEFT );
       else
          radeonSetCliprects( rmesa, GL_FRONT_LEFT );
diff --git a/src/mesa/drivers/dri/radeon/radeon_state.c b/src/mesa/drivers/dri/radeon/radeon_state.c
index 3bd2a88d420..bc94882a660 100644
--- a/src/mesa/drivers/dri/radeon/radeon_state.c
+++ b/src/mesa/drivers/dri/radeon/radeon_state.c
@@ -1612,7 +1612,7 @@ static void radeonDrawBuffer( GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       FALLBACK( rmesa, RADEON_FALLBACK_DRAW_BUFFER, GL_FALSE );
       radeonSetCliprects( rmesa, GL_FRONT_LEFT );
diff --git a/src/mesa/drivers/dri/savage/savage_xmesa.c b/src/mesa/drivers/dri/savage/savage_xmesa.c
index f1fd5eacf0b..a6ef167a7d6 100644
--- a/src/mesa/drivers/dri/savage/savage_xmesa.c
+++ b/src/mesa/drivers/dri/savage/savage_xmesa.c
@@ -598,7 +598,7 @@ static void savageXMesaWindowMoved( savageContextPtr imesa )
    if (0)
       fprintf(stderr, "savageXMesaWindowMoved\n\n");
 
-   switch (imesa->glCtx->Color._DrawDestMask) {
+   switch (imesa->glCtx->Color._DrawDestMask[0]) {
    case DD_FRONT_LEFT_BIT:
       savageXMesaSetFrontClipRects( imesa );
       break;
diff --git a/src/mesa/drivers/dri/savage/savagestate.c b/src/mesa/drivers/dri/savage/savagestate.c
index e5c8b96eec3..e03c2e340cc 100644
--- a/src/mesa/drivers/dri/savage/savagestate.c
+++ b/src/mesa/drivers/dri/savage/savagestate.c
@@ -638,7 +638,7 @@ static void savageDDDrawBuffer(GLcontext *ctx, GLenum mode )
     /*
      * _DrawDestMask is easier to cope with than <mode>.
      */
-    switch ( ctx->Color._DrawDestMask ) {
+    switch ( ctx->Color._DrawDestMask[0] ) {
     case DD_FRONT_LEFT_BIT:
         imesa->IsDouble = GL_FALSE;
       
@@ -1768,7 +1768,7 @@ void savageDDInitState( savageContextPtr imesa ) {
         imesa->regs.s4.zBufOffset.ni.zDepthSelect = 1;      
     }
  
-    if (imesa->glCtx->Color._DrawDestMask == DD_BACK_LEFT_BIT) {
+    if (imesa->glCtx->Color._DrawDestMask[0] == DD_BACK_LEFT_BIT) {
         if(imesa->IsFullScreen)
         {
             imesa->toggle = TARGET_BACK;
diff --git a/src/mesa/drivers/dri/sis/sis_lock.c b/src/mesa/drivers/dri/sis/sis_lock.c
index 5e6a0d468d8..f598e52d921 100644
--- a/src/mesa/drivers/dri/sis/sis_lock.c
+++ b/src/mesa/drivers/dri/sis/sis_lock.c
@@ -65,7 +65,7 @@ sisGetLock( sisContextPtr smesa, GLuint flags )
    if ( smesa->lastStamp != dPriv->lastStamp ) {
       sisUpdateBufferSize( smesa );
       sisUpdateClipping( smesa->glCtx );
-      sisDDDrawBuffer( smesa->glCtx, smesa->glCtx->Color.DrawBuffer );
+      sisDDDrawBuffer( smesa->glCtx, smesa->glCtx->Color.DrawBuffer[0] );
       smesa->lastStamp = dPriv->lastStamp;
    }
 
diff --git a/src/mesa/drivers/dri/sis/sis_state.c b/src/mesa/drivers/dri/sis/sis_state.c
index 4b1d2b00178..422059b86b1 100644
--- a/src/mesa/drivers/dri/sis/sis_state.c
+++ b/src/mesa/drivers/dri/sis/sis_state.c
@@ -510,7 +510,7 @@ void sisDDDrawBuffer( GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
    case DD_BACK_LEFT_BIT:
       FALLBACK( smesa, SIS_FALLBACK_DRAW_BUFFER, GL_FALSE );
diff --git a/src/mesa/drivers/dri/sis/sis_tris.c b/src/mesa/drivers/dri/sis/sis_tris.c
index 04c750e5509..45a92e5e92b 100644
--- a/src/mesa/drivers/dri/sis/sis_tris.c
+++ b/src/mesa/drivers/dri/sis/sis_tris.c
@@ -805,7 +805,7 @@ static void sisRenderStart( GLcontext *ctx )
    GLuint AGPParseSet = smesa->AGPParseSet;
    GLboolean tex_fallback = GL_FALSE;
 
-   if (ctx->Color._DrawDestMask == DD_FRONT_LEFT_BIT && 
+   if (ctx->Color._DrawDestMask[0] == DD_FRONT_LEFT_BIT && 
       smesa->driDrawable->numClipRects != 0)
    {
       multipass_cliprect(ctx, 0);
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_pixels.c b/src/mesa/drivers/dri/tdfx/tdfx_pixels.c
index 803c8c5c1cc..aaee401d7ab 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_pixels.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_pixels.c
@@ -255,7 +255,7 @@ tdfx_bitmap_R5G6B5(GLcontext * ctx, GLint px, GLint py,
        * to the front or back buffer.  This compile-time test seems to do
        * the job for now.
        */
-      const GLint dstStride = (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT)
+      const GLint dstStride = (fxMesa->glCtx->Color.DrawBuffer[0] == GL_FRONT)
 	 ? (fxMesa->screen_width) : (info.strideInBytes / 2);
       GLint row;
       /* compute dest address of bottom-left pixel in bitmap */
@@ -407,7 +407,7 @@ tdfx_bitmap_R8G8B8A8(GLcontext * ctx, GLint px, GLint py,
       GLuint *dst;
       GLint row;
 
-      if (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT) {
+      if (fxMesa->glCtx->Color.DrawBuffer[0] == GL_FRONT) {
 	 dstStride = fxMesa->screen_width;
 	 dst =
 	    (GLuint *) info.lfbPtr + (winY - py) * dstStride + (winX +
@@ -508,7 +508,7 @@ tdfx_readpixels_R5G6B5(GLcontext * ctx, GLint x, GLint y,
 		    fxMesa->ReadBuffer,
 		    GR_LFBWRITEMODE_ANY,
 		    GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) {
-	 const GLint srcStride = (fxMesa->glCtx->Color.DrawBuffer ==
+	 const GLint srcStride = (fxMesa->glCtx->Color.DrawBuffer[0] ==
 	     GL_FRONT) ? (fxMesa->screen_width) : (info.strideInBytes / 2);
 	 const GLushort *src = (const GLushort *) info.lfbPtr
 	    + scrY * srcStride + scrX;
@@ -567,7 +567,7 @@ tdfx_readpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
                     GR_LFBWRITEMODE_ANY,
                     GR_ORIGIN_UPPER_LEFT, FXFALSE, &info))
       {
-         const GLint srcStride = (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT)
+         const GLint srcStride = (fxMesa->glCtx->Color.DrawBuffer[0] == GL_FRONT)
             ? (fxMesa->screen_width) : (info.strideInBytes / 4);
          const GLuint *src = (const GLuint *) info.lfbPtr
             + scrY * srcStride + scrX;
@@ -646,7 +646,7 @@ tdfx_drawpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
       }
 
       /* look for clipmasks, giveup if region obscured */
-      if (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT) {
+      if (fxMesa->glCtx->Color.DrawBuffer[0] == GL_FRONT) {
          if (!inClipRects_Region(fxMesa, scrX, scrY, width, height)) {
             UNLOCK_HARDWARE(fxMesa);
 	    _swrast_DrawPixels( ctx, x, y, width, height, format, type, 
@@ -661,7 +661,7 @@ tdfx_drawpixels_R8G8B8A8(GLcontext * ctx, GLint x, GLint y,
                     GR_LFBWRITEMODE_8888,
                     GR_ORIGIN_UPPER_LEFT, FXTRUE, &info))
       {
-         const GLint dstStride = (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT)
+         const GLint dstStride = (fxMesa->glCtx->Color.DrawBuffer[0] == GL_FRONT)
             ? (fxMesa->screen_width * 4) : (info.strideInBytes);
          GLubyte *dst = (GLubyte *) info.lfbPtr
             + scrY * dstStride + scrX * 4;
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_render.c b/src/mesa/drivers/dri/tdfx/tdfx_render.c
index 1c552894699..3ce91b9257b 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_render.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_render.c
@@ -278,7 +278,7 @@ static void tdfxClear( GLcontext *ctx,
                                         fxMesa->Color.ClearAlpha,
                                         fxMesa->Depth.Clear);
 	 FX_grColorMaskv_NoLock(ctx, true4);
-	 if (ctx->Color._DrawDestMask & DD_FRONT_LEFT_BIT)
+	 if (ctx->Color._DrawDestMask[0] & DD_FRONT_LEFT_BIT)
             fxMesa->Glide.grRenderBuffer(GR_BUFFER_FRONTBUFFER);
 	 if (!ctx->Depth.Test || !ctx->Depth.Mask)
 	    fxMesa->Glide.grDepthMask(FXFALSE);
@@ -298,7 +298,7 @@ static void tdfxClear( GLcontext *ctx,
                fxMesa->Glide.grDepthMask(FXTRUE);
             }
             FX_grColorMaskv_NoLock(ctx, true4);
-            if (ctx->Color._DrawDestMask & DD_FRONT_LEFT_BIT)
+            if (ctx->Color._DrawDestMask[0] & DD_FRONT_LEFT_BIT)
                fxMesa->Glide.grRenderBuffer(GR_BUFFER_FRONTBUFFER);
          }
       }
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_span.c b/src/mesa/drivers/dri/tdfx/tdfx_span.c
index 0d2bc811e04..1bcec634131 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_span.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_span.c
@@ -49,7 +49,7 @@
 #define LOCAL_VARS							\
    __DRIdrawablePrivate *dPriv = fxMesa->driDrawable;			\
    tdfxScreenPrivate *fxPriv = fxMesa->fxScreen;			\
-   GLuint pitch = (fxMesa->glCtx->Color.DrawBuffer == GL_FRONT)         \
+   GLuint pitch = (fxMesa->glCtx->Color.DrawBuffer[0] == GL_FRONT)         \
                ? (fxMesa->screen_width * BYTESPERPIXEL) :               \
                (info.strideInBytes);                                    \
    GLuint height = fxMesa->height;					\
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_state.c b/src/mesa/drivers/dri/tdfx/tdfx_state.c
index 7f1ce3c004d..818a9bc23f4 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_state.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_state.c
@@ -1033,7 +1033,7 @@ static void tdfxDDDrawBuffer( GLcontext *ctx, GLenum mode )
    /*
     * _DrawDestMask is easier to cope with than <mode>.
     */
-   switch ( ctx->Color._DrawDestMask ) {
+   switch ( ctx->Color._DrawDestMask[0] ) {
    case DD_FRONT_LEFT_BIT:
       fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_FRONTBUFFER;
       fxMesa->new_state |= TDFX_NEW_RENDER;
diff --git a/src/mesa/drivers/dri/unichrome/via_context.c b/src/mesa/drivers/dri/unichrome/via_context.c
index 4ebf393ac87..13648854f33 100644
--- a/src/mesa/drivers/dri/unichrome/via_context.c
+++ b/src/mesa/drivers/dri/unichrome/via_context.c
@@ -719,7 +719,7 @@ void viaXMesaWindowMoved(viaContextPtr vmesa)
     GLuint side = 0;
     __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
     
-    switch (vmesa->glCtx->Color._DrawDestMask) {
+    switch (vmesa->glCtx->Color._DrawDestMask[0]) {
     case __GL_FRONT_BUFFER_MASK: 
         viaXMesaSetFrontClipRects(vmesa);
         break;
diff --git a/src/mesa/drivers/dri/unichrome/via_ioctl.c b/src/mesa/drivers/dri/unichrome/via_ioctl.c
index eaa5a726e53..6021efefedf 100644
--- a/src/mesa/drivers/dri/unichrome/via_ioctl.c
+++ b/src/mesa/drivers/dri/unichrome/via_ioctl.c
@@ -463,7 +463,7 @@ void viaPageFlip(const __DRIdrawablePrivate *dPriv)
     
     if(vmesa->currentPage) {
 	vmesa->currentPage = 0;
-	if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+	if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 		ctx->Driver.DrawBuffer(ctx, GL_BACK);
 	}
 	else {
@@ -472,7 +472,7 @@ void viaPageFlip(const __DRIdrawablePrivate *dPriv)
     }
     else {
 	vmesa->currentPage = 1;
-	if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+	if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 		ctx->Driver.DrawBuffer(ctx, GL_BACK);
 	}
 	else {
@@ -1112,7 +1112,7 @@ void viaFillStencilDepthBuffer(viaContextPtr vmesa, GLuint pixel)
 	}
     }
 
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 	viaFlushPrimsLocked(vmesa);
     }
 }
@@ -1180,7 +1180,7 @@ void viaFillStencilBuffer(viaContextPtr vmesa, GLuint pixel)
 	}
     }
 
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 	viaFlushPrimsLocked(vmesa);
     }
 }
@@ -1265,7 +1265,7 @@ void viaFillDepthBuffer(viaContextPtr vmesa, GLuint pixel)
 	}
     }
     
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 	viaFlushPrimsLocked(vmesa);
     }
 }
@@ -1556,9 +1556,9 @@ int flush_agp(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd)
 
     /*=* [DBG] make draw to front buffer *=*/
     if(DRAW_FRONT)
-	vmesa->glCtx->Color._DrawDestMask = __GL_FRONT_BUFFER_MASK;
+	vmesa->glCtx->Color._DrawDestMask[0] = __GL_FRONT_BUFFER_MASK;
     
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 	
 	*vb++ = HC_HEADER2;
 	*vb++ = (HC_ParaType_NotTex << 16);
@@ -1807,9 +1807,9 @@ int flush_agp_saam(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd)
 
     /*=* [DBG] make draw to front buffer *=*/
     if(DRAW_FRONT)
-	vmesa->glCtx->Color._DrawDestMask = __GL_FRONT_BUFFER_MASK;
+	vmesa->glCtx->Color._DrawDestMask[0] = __GL_FRONT_BUFFER_MASK;
     
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 	
 	*vb++ = HC_HEADER2;
 	*vb++ = (HC_ParaType_NotTex << 16);
@@ -2035,7 +2035,7 @@ int flush_sys(viaContextPtr vmesa, drm_via_flush_sys_t* buf)
     
     /*=* [DBG] make draw to front buffer *=*/
     if(DRAW_FRONT)
-	vmesa->glCtx->Color._DrawDestMask = __GL_FRONT_BUFFER_MASK;
+	vmesa->glCtx->Color._DrawDestMask[0] = __GL_FRONT_BUFFER_MASK;
     
     
     /*=* John Sheng [2003.6.20] fix pci *=*/
@@ -2064,7 +2064,7 @@ int flush_sys(viaContextPtr vmesa, drm_via_flush_sys_t* buf)
 	*vmesa->regTranSpace = 0x46800408;
 	vmesa->VQEnable = 0;
     }
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 	*vb++ = HC_HEADER2;
 	*vb++ = (HC_ParaType_NotTex << 16);
 	
diff --git a/src/mesa/drivers/dri/unichrome/via_span.c b/src/mesa/drivers/dri/unichrome/via_span.c
index fcb97718758..4fdb1aa9663 100644
--- a/src/mesa/drivers/dri/unichrome/via_span.c
+++ b/src/mesa/drivers/dri/unichrome/via_span.c
@@ -163,7 +163,7 @@
     GLushort p;                                                      	\
     char *buf, *read_buf;                                            	\
     p = 0;							     	\
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {	\
+    if (vmesa->glCtx->Color._DrawDestMask[0][0] == __GL_BACK_BUFFER_MASK) {	\
 	buf = (char *)(vmesa->drawMap);                              	\
 	read_buf = (char *)(vmesa->readMap);                         	\
     }                                                                	\
@@ -224,7 +224,7 @@
     GLuint p;                                                        	\
     char *buf, *read_buf;                                            	\
     p = 0;	                                                        \
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {	\
+    if (vmesa->glCtx->Color._DrawDestMask[0][0] == __GL_BACK_BUFFER_MASK) {	\
 	buf = (char *)(vmesa->drawMap);                              	\
 	read_buf = (char *)(vmesa->readMap);                         	\
     }                                                                	\
diff --git a/src/mesa/drivers/dri/unichrome/via_state.c b/src/mesa/drivers/dri/unichrome/via_state.c
index f5b97de52c7..79ce4cbe88d 100644
--- a/src/mesa/drivers/dri/unichrome/via_state.c
+++ b/src/mesa/drivers/dri/unichrome/via_state.c
@@ -336,7 +336,7 @@ static void viaBitmap( GLcontext *ctx, GLint px, GLint py,
     /*=* John Sheng [2003.7.18] texenv *=*/
     /*if (!vmesa->drawMap && !vmesa->readMap) {*/
     if (1) {
-	if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+	if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
 	    viaDrawBuffer(ctx, GL_BACK);
 	}
 	else {
@@ -497,7 +497,7 @@ void viaInitState(GLcontext *ctx)
     vmesa->regCmdB = HC_ACMD_HCmdB | HC_HVPMSK_X | HC_HVPMSK_Y | HC_HVPMSK_Z;
     vmesa->regEnable = HC_HenCW_MASK;
 
-    if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) {
+    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
         vmesa->drawMap = vmesa->back.map;
         vmesa->readMap = vmesa->back.map;
     }