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-rw-r--r--src/mesa/drivers/dri/i915/i915_vtbl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_vtbl.c b/src/mesa/drivers/dri/i915/i915_vtbl.c
index 974ab3ec14..b2f9b90abd 100644
--- a/src/mesa/drivers/dri/i915/i915_vtbl.c
+++ b/src/mesa/drivers/dri/i915/i915_vtbl.c
@@ -627,8 +627,8 @@ i915_set_draw_region(struct intel_context *intel,
state->Buffer[I915_DESTREG_DRAWRECT2] = 0;
state->Buffer[I915_DESTREG_DRAWRECT3] = (draw_y << 16) | draw_x;
state->Buffer[I915_DESTREG_DRAWRECT4] =
- ((ctx->DrawBuffer->Width + draw_x) & 0xffff) |
- ((ctx->DrawBuffer->Height + draw_y) << 16);
+ ((ctx->DrawBuffer->Width + draw_x - 1) & 0xffff) |
+ ((ctx->DrawBuffer->Height + draw_y - 1) << 16);
state->Buffer[I915_DESTREG_DRAWRECT5] = (draw_y << 16) | draw_x;
I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);