intel: Add a little span cache to spead up readpixels by cutting syscalls.

[mesa.git] / src / mesa / drivers / dri / intel / intel_fbo.h

diff --git a/src/mesa/drivers/dri/intel/intel_fbo.h b/src/mesa/drivers/dri/intel/intel_fbo.h
index f55d3747f24e662e731d7c6dd39bd96274922da4..9d15582d78c8d1da410a3f83ce8bf4b3b3a2e6b0 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_fbo.h
+++ b/src/mesa/drivers/dri/intel/intel_fbo.h
@@ -79,6 +79,9 @@ struct intel_renderbuffer
    GLuint pf_pending;  /**< sequence number of pending flip */
 
    GLuint vbl_pending;   /**< vblank sequence number of pending flip */
+
+   uint8_t *span_cache;
+   unsigned long span_cache_offset;
 };
 
 extern struct intel_renderbuffer *intel_renderbuffer(struct gl_renderbuffer