SetBuffer, renderbuffer changes

2 files changed, 4 insertions, 28 deletions

diff --git a/src/mesa/drivers/dri/tdfx/tdfx_span.c b/src/mesa/drivers/dri/tdfx/tdfx_span.c
index b00b7ad8dba..142beb404fc 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_span.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_span.c
@@ -49,9 +49,10 @@
 #define LOCAL_VARS							\
    __DRIdrawablePrivate *dPriv = fxMesa->driDrawable;			\
    tdfxScreenPrivate *fxPriv = fxMesa->fxScreen;			\
-   GLuint pitch = (fxMesa->glCtx->Color.DrawBuffer[0] == GL_FRONT)         \
-               ? (fxMesa->screen_width * BYTESPERPIXEL) :               \
-               (info.strideInBytes);                                    \
+   GLboolean isFront = (ctx->DrawBuffer->_ColorDrawBufferMask[0]	\
+                      == BUFFER_BIT_FRONT_LEFT);			\
+   GLuint pitch = isFront ? (fxMesa->screen_width * BYTESPERPIXEL)	\
+                          : info.strideInBytes;				\
    GLuint height = fxMesa->height;					\
    char *buf = (char *)((char *)info.lfbPtr +				\
 			 dPriv->x * fxPriv->cpp +			\
@@ -1334,25 +1335,6 @@ static void tdfxSpanRenderFinish( GLcontext *ctx )
    UNLOCK_HARDWARE(fxMesa);
 }
 
-/* Set the buffer used for reading */
-static void tdfxDDSetBuffer( GLcontext *ctx,
-                             GLframebuffer *buffer, GLuint bufferBit )
-{
-   tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
-   (void) buffer;
-
-   switch ( bufferBit ) {
-   case BUFFER_BIT_FRONT_LEFT:
-      fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_FRONTBUFFER;
-      break;
-   case BUFFER_BIT_BACK_LEFT:
-      fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_BACKBUFFER;
-      break;
-   default:
-      break;
-   }
-}
-
 /**********************************************************************/
 /*                    Initialize swrast device driver                 */
 /**********************************************************************/
@@ -1360,7 +1342,6 @@ static void tdfxDDSetBuffer( GLcontext *ctx,
 void tdfxDDInitSpanFuncs( GLcontext *ctx )
 {
    struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
-   swdd->SetBuffer = tdfxDDSetBuffer;
    swdd->SpanRenderStart          = tdfxSpanRenderStart;
    swdd->SpanRenderFinish         = tdfxSpanRenderFinish; 
 }
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_state.c b/src/mesa/drivers/dri/tdfx/tdfx_state.c
index 85d99bb05e7..73dad6e086a 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_state.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_state.c
@@ -1055,11 +1055,6 @@ static void tdfxDDDrawBuffer( GLcontext *ctx, GLenum mode )
       FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_TRUE );
       break;
    }
-
-   /* We want to update the s/w rast state too so that tdfxDDSetBuffer()
-    * gets called.
-    */
-   _swrast_DrawBuffer(ctx, mode);
 }