mesa git update 30 aug 2011

1 files changed, 20 insertions, 1 deletions

diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index fcf40ecf1..d918b1e31 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -479,7 +479,26 @@ struct dd_function_table {
    /** 
     * Called to free tImage->Data.
     */
-   void (*FreeTexImageData)( struct gl_context *ctx, struct gl_texture_image *tImage );
+   void (*FreeTextureImageBuffer)( struct gl_context *ctx, struct gl_texture_image *tImage );
+
+   /** Map a slice of a texture image into user space.
+    * \param texImage  the texture image
+    * \param slice  the 3D image slice or array texture slice
+    * \param x, y, w, h  region of interest
+    * \param mode  bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT
+    * \param mapOut  returns start of mapping of region of interest
+    * \param rowStrideOut  returns row stride (in bytes)
+    */
+   void (*MapTextureImage)(struct gl_context *ctx,
+			   struct gl_texture_image *texImage,
+			   GLuint slice,
+			   GLuint x, GLuint y, GLuint w, GLuint h,
+			   GLbitfield mode,
+			   GLubyte **mapOut, GLint *rowStrideOut);
+
+   void (*UnmapTextureImage)(struct gl_context *ctx,
+			     struct gl_texture_image *texImage,
+			     GLuint slice);
 
    /** Map texture image data into user space */
    void (*MapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );