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This commit is contained in:
Brian Paul 2006-03-14 23:34:37 +00:00
parent 735925d15b
commit 8bd395f601
1 changed files with 7 additions and 6 deletions
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13
src/mesa/drivers/dri/i915/intel_regions.h
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@ -32,20 +32,21 @@
#include "intel_bufmgr.h" /* for DBG! */
struct intel_context;
/* A layer on top of the bufmgr buffers that adds a few useful things:
/**
* A layer on top of the bufmgr buffers that adds a few useful things:
*
* - Refcounting for local buffer references.
* - Refcounting for buffer maps
* - Buffer dimensions - pitch and height.
* - Blitter commands for copying 2D regions between buffers.
* - Blitter commands for copying 2D regions between buffers. (really???)
*/
struct intel_region {
GLuint buffer;
GLuint refcount;
GLuint cpp;
GLuint pitch;
GLuint height;
GLubyte *map;
GLuint cpp; /* bytes per pixel */
GLuint pitch; /* in pixels */
GLuint height; /* in pixels */
GLubyte *map; /* only non-NULL when region is actually mapped */
GLuint map_refcount;
};