diff options
Diffstat (limited to 'src/mesa/drivers/dri/tdfx/tdfx_state.c')
-rw-r--r-- | src/mesa/drivers/dri/tdfx/tdfx_state.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_state.c b/src/mesa/drivers/dri/tdfx/tdfx_state.c index 42cb5df..e4d77e6 100644 --- a/src/mesa/drivers/dri/tdfx/tdfx_state.c +++ b/src/mesa/drivers/dri/tdfx/tdfx_state.c @@ -1033,21 +1033,23 @@ static void tdfxDDDrawBuffer( GLcontext *ctx, GLenum mode ) FLUSH_BATCH( fxMesa ); - /* - * _ColorDrawBufferMask is easier to cope with than <mode>. - */ - switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) { - case BUFFER_BIT_FRONT_LEFT: + if (ctx->DrawBuffer->_NumColorDrawBuffers > 1) { + FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_TRUE ); + return; + } + + switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0] ) { + case BUFFER_FRONT_LEFT: fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_FRONTBUFFER; fxMesa->new_state |= TDFX_NEW_RENDER; FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE ); break; - case BUFFER_BIT_BACK_LEFT: + case BUFFER_BACK_LEFT: fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_BACKBUFFER; fxMesa->new_state |= TDFX_NEW_RENDER; FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE ); break; - case 0: + case -1: FX_grColorMaskv( ctx, false4 ); FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE ); break; |