i915: Allow accelerated pixel ops to be disabled with INTEL_NO_BLIT.

This matches 965.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_pixel.c b/src/mesa/drivers/dri/intel/intel_pixel.c
index 9018e3daef..cc6b9bb0ea 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel.c
@@ -113,8 +113,10 @@ void
 intelInitPixelFuncs(struct dd_function_table *functions)
 {
    functions->Accum = _swrast_Accum;
-   functions->Bitmap = _swrast_Bitmap;
-   functions->CopyPixels = intelCopyPixels;
-   functions->ReadPixels = intelReadPixels;
-   functions->DrawPixels = intelDrawPixels;
+   if (!getenv("INTEL_NO_BLIT")) {
+      functions->Bitmap = _swrast_Bitmap;
+      functions->CopyPixels = intelCopyPixels;
+      functions->ReadPixels = intelReadPixels;
+      functions->DrawPixels = intelDrawPixels;
+   }
 }