Mesa (master): intel: Override MaxRenderbufferSize with hardware constraints

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 9178b31546e9817a0c9712f702b21f8c54efbd84
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9178b31546e9817a0c9712f702b21f8c54efbd84

Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri May 22 21:53:26 2009 +0100

intel: Override MaxRenderbufferSize with hardware constraints

Limit the maximum renderbuffer size to 8192 on i965 and to 2048 on
earlier hardware.

---

 src/mesa/drivers/dri/intel/intel_context.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 49eadc7..ea43009 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -650,6 +650,13 @@ intelInitContext(struct intel_context *intel,
    _mesa_init_point(ctx);
 
    ctx->Const.MaxColorAttachments = 4;  /* XXX FBO: review this */
+   if (IS_965(intelScreen->deviceID)) {
+      if (MAX_WIDTH > 8192)
+	 ctx->Const.MaxRenderbufferSize = 8192;
+   } else {
+      if (MAX_WIDTH > 2048)
+	 ctx->Const.MaxRenderbufferSize = 2048;
+   }
 
    /* Initialize the software rasterizer and helper modules. */
    _swrast_CreateContext(ctx);