add gamma driver - no kernel driver yet

(build tested, not physically tested)

1 files changed, 30 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/gamma/gamma_screen.h b/src/mesa/drivers/dri/gamma/gamma_screen.h
new file mode 100644
index 0000000000..6f3cf1e5b1
--- /dev/null
+++ b/src/mesa/drivers/dri/gamma/gamma_screen.h
@@ -0,0 +1,30 @@
+typedef struct _gammaRegion {
+    drmHandle  handle;
+    drmSize    size;
+    drmAddress map;
+} gammaRegion, *gammaRegionPtr;
+
+typedef struct {
+
+    int           regionCount;       /* Count of register regions */
+    gammaRegion  *regions;           /* Vector of mapped region info */
+
+    drmBufMapPtr  bufs;              /* Map of DMA buffers */
+
+    __DRIscreenPrivate *driScreen; /* Back pointer to DRI screen */
+
+    int		cpp;
+    int		frontPitch;
+    int		frontOffset;
+
+    int		backPitch;
+    int		backOffset;
+    int		backX;
+    int		backY;
+
+    int		depthOffset;
+    int		depthPitch;
+
+    int		textureSize;
+    int		logTextureGranularity;
+} gammaScreenRec, *gammaScreenPtr;