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authorBrian Paul <brianp@vmware.com>2009-12-21 18:35:54 -0700
committerBrian Paul <brianp@vmware.com>2009-12-21 18:35:54 -0700
commit9eb7fc6661a1d46c06cec8584b898e3e690af6fa (patch)
tree78ed4336c613303ef02691baf4d89e7330a0f6cf /src/mesa/drivers/dri/intel
parentae1c0a06e81b8c6f015a3b64616a5d3a989f9373 (diff)
parentb57abd3bea29e95e5dee2524c3f1be4b26017c0f (diff)
Merge branch 'mesa_7_7_branch'
Conflicts: src/mesa/main/version.h src/mesa/state_tracker/st_atom_shader.c
Diffstat (limited to 'src/mesa/drivers/dri/intel')
-rw-r--r--src/mesa/drivers/dri/intel/intel_buffers.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffers.c b/src/mesa/drivers/dri/intel/intel_buffers.c
index 6b12d484d8..05643189a2 100644
--- a/src/mesa/drivers/dri/intel/intel_buffers.c
+++ b/src/mesa/drivers/dri/intel/intel_buffers.c
@@ -191,10 +191,15 @@ intel_draw_buffer(GLcontext * ctx, struct gl_framebuffer *fb)
return;
}
- /*
- * How many color buffers are we drawing into?
+ /* How many color buffers are we drawing into?
+ *
+ * If there are zero buffers or the buffer is too big, don't configure any
+ * regions for hardware drawing. We'll fallback to software below. Not
+ * having regions set makes some of the software fallback paths faster.
*/
- if (fb->_NumColorDrawBuffers == 0) {
+ if ((fb->Width > ctx->Const.MaxRenderbufferSize)
+ || (fb->Height > ctx->Const.MaxRenderbufferSize)
+ || (fb->_NumColorDrawBuffers == 0)) {
/* writing to 0 */
colorRegions[0] = NULL;
intel->constant_cliprect = GL_TRUE;