diff options
Diffstat (limited to 'src/mesa/drivers/dri/mach64/mach64_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/mach64/mach64_state.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/mach64/mach64_state.c b/src/mesa/drivers/dri/mach64/mach64_state.c index 9ac51ee5b1..d32d7ed9f6 100644 --- a/src/mesa/drivers/dri/mach64/mach64_state.c +++ b/src/mesa/drivers/dri/mach64/mach64_state.c @@ -726,24 +726,26 @@ static void mach64DDDrawBuffer( GLcontext *ctx, GLenum mode ) FLUSH_BATCH( mmesa ); - /* - * _DrawDestMask is easier to cope with than <mode>. - */ - switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) { - case BUFFER_BIT_FRONT_LEFT: + if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) { + /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */ + FALLBACK( mmesa, MACH64_FALLBACK_DRAW_BUFFER, GL_TRUE ); + return; + } + + switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0] ) { + case BUFFER_FRONT_LEFT: FALLBACK( mmesa, MACH64_FALLBACK_DRAW_BUFFER, GL_FALSE ); mach64SetCliprects( ctx, GL_FRONT_LEFT ); if (MACH64_DEBUG & DEBUG_VERBOSE_MSG) fprintf(stderr,"%s: BUFFER_BIT_FRONT_LEFT\n", __FUNCTION__); break; - case BUFFER_BIT_BACK_LEFT: + case BUFFER_BACK_LEFT: FALLBACK( mmesa, MACH64_FALLBACK_DRAW_BUFFER, GL_FALSE ); mach64SetCliprects( ctx, GL_BACK_LEFT ); if (MACH64_DEBUG & DEBUG_VERBOSE_MSG) fprintf(stderr,"%s: BUFFER_BIT_BACK_LEFT\n", __FUNCTION__); break; default: - /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */ FALLBACK( mmesa, MACH64_FALLBACK_DRAW_BUFFER, GL_TRUE ); if (MACH64_DEBUG & DEBUG_VERBOSE_MSG) fprintf(stderr,"%s: fallback (mode=%d)\n", __FUNCTION__, mode); |