Mesa (remove-max-width-2): st/mesa: initialize the MaxViewport, MaxRenderbufferSize constants

[Brian Paul]

Module: Mesa
Branch: remove-max-width-2
Commit: d7d4a1955b4f1fcafb5efab06a9f982fccefa19b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d7d4a1955b4f1fcafb5efab06a9f982fccefa19b

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Feb 21 08:26:30 2012 -0700

st/mesa: initialize the MaxViewport, MaxRenderbufferSize constants

Use the max 2D/rect texture size as the limit.  If that's not true
for some devices we'll need new PIPE_CAP_ queries.

---

 src/mesa/state_tracker/st_extensions.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index fb36a68..33bc6ed 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -108,6 +108,14 @@ void st_init_limits(struct st_context *st)
 
    c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits);
 
+   /* Define max viewport size and max renderbuffer size in terms of
+    * max texture size (note: max tex RECT size = max tex 2D size).
+    * If this isn't true for some hardware we'll need new PIPE_CAP_ queries.
+    */
+   c->MaxViewportWidth =
+   c->MaxViewportHeight =
+   c->MaxRenderbufferSize = c->MaxTextureRectSize;
+
    c->MaxDrawBuffers
       = _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
               1, MAX_DRAW_BUFFERS);