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authorBrian Paul <brian.paul@tungstengraphics.com>2002-07-09 01:22:50 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2002-07-09 01:22:50 +0000
commit3b4fbbc129c711a5aec8d653d5c6eb2e195f947c (patch)
treeececa2d3a08ab45afd2068d9cabf5609a0c374d1 /src/mesa/swrast/s_context.c
parentb4338e58879a4f2eabf8af09f9dfa7adf6e9f9f2 (diff)
Overhaul of glRead/DrawBuffer() code. Now, swrast->Driver.SetBuffer()
indicates the read AND draw color buffer for all software rasterization. Lots of related clean-ups. See RELNOTES-4.1 for details.
Diffstat (limited to 'src/mesa/swrast/s_context.c')
-rw-r--r--src/mesa/swrast/s_context.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index a4f59df8ae..105b562d90 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -1,4 +1,4 @@
-/* $Id: s_context.c,v 1.35 2002/06/15 03:03:11 brianp Exp $ */
+/* $Id: s_context.c,v 1.36 2002/07/09 01:22:52 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -87,8 +87,11 @@ _swrast_update_rasterflags( GLcontext *ctx )
* MULTI_DRAW_BIT flag. Also set it if we're drawing to no
* buffers or the RGBA or CI mask disables all writes.
*/
- if (ctx->Color.DrawBuffer == GL_FRONT_AND_BACK ||
- ctx->Color.DrawBuffer == GL_NONE) {
+ if (ctx->Color._DrawDestMask != FRONT_LEFT_BIT &&
+ ctx->Color._DrawDestMask != BACK_LEFT_BIT &&
+ ctx->Color._DrawDestMask != FRONT_RIGHT_BIT &&
+ ctx->Color._DrawDestMask != BACK_RIGHT_BIT) {
+ /* more than one color buffer designated for writing (or zero buffers) */
RasterMask |= MULTI_DRAW_BIT;
}
else if (ctx->Visual.rgbMode && *((GLuint *) ctx->Color.ColorMask) == 0) {