Mesa (master): mesa: increase MAX_DRAW_BUFFERS to 8

[Brian Paul]

Module: Mesa
Branch: master
Commit: e2ea69afef2eeeb31b73772c3bf8ef696dadbc17
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e2ea69afef2eeeb31b73772c3bf8ef696dadbc17

Author: Brian Paul <brianp at vmware.com>
Date:   Mon May  3 17:35:40 2010 -0600

mesa: increase MAX_DRAW_BUFFERS to 8

Required for GL 3.x

---

 src/mesa/main/config.h  |    2 +-
 src/mesa/main/context.c |    3 +++
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 30b48e4..84f7665 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -250,7 +250,7 @@
 
 /** For GL_ARB_draw_buffers */
 /*@{*/
-#define MAX_DRAW_BUFFERS 4
+#define MAX_DRAW_BUFFERS 8
 /*@}*/
 
 
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 0963e75..196a641 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -652,6 +652,9 @@ check_context_limits(GLcontext *ctx)
 
    assert(ctx->Const.MaxDrawBuffers <= MAX_DRAW_BUFFERS);
 
+   /* if this fails, add more enum values to gl_buffer_index */
+   assert(BUFFER_COLOR0 + MAX_DRAW_BUFFERS <= BUFFER_COUNT);
+
    /* XXX probably add more tests */
 }