diff options
Diffstat (limited to 'src/mesa/swrast/s_buffers.c')
| -rw-r--r-- | src/mesa/swrast/s_buffers.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/mesa/swrast/s_buffers.c b/src/mesa/swrast/s_buffers.c index 7f95ed5ec5..e788900897 100644 --- a/src/mesa/swrast/s_buffers.c +++ b/src/mesa/swrast/s_buffers.c @@ -236,8 +236,9 @@ clear_color_buffers(GLcontext *ctx) struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][i]; #if OLD_RENDERBUFFER || NEW_RENDERBUFFER /* SetBuffer will go away */ - swrast->Driver.SetBuffer(ctx, ctx->DrawBuffer, - ctx->DrawBuffer->_ColorDrawBit[0][i]); + if (swrast->Driver.SetBuffer) + swrast->Driver.SetBuffer(ctx, ctx->DrawBuffer, + ctx->DrawBuffer->_ColorDrawBit[0][i]); #endif if (ctx->Visual.rgbMode) { @@ -357,7 +358,8 @@ _swrast_use_read_buffer( GLcontext *ctx ) /* Do this so the software-emulated alpha plane span functions work! */ swrast->CurrentBufferBit = ctx->ReadBuffer->_ColorReadBufferMask; /* Tell the device driver where to read/write spans */ - swrast->Driver.SetBuffer(ctx, ctx->ReadBuffer, swrast->CurrentBufferBit); + if (swrast->Driver.SetBuffer) + swrast->Driver.SetBuffer(ctx, ctx->ReadBuffer, swrast->CurrentBufferBit); } |