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Diffstat (limited to 'src/mesa/main/dd.h')
| -rw-r--r-- | src/mesa/main/dd.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h index 3746e4685c7..e1f3ad54529 100644 --- a/src/mesa/main/dd.h +++ b/src/mesa/main/dd.h @@ -515,6 +515,19 @@ struct dd_function_table { void (*FreeTexImageData)( GLcontext *ctx, struct gl_texture_image *tImage ); /** + * Note: no context argument. This function doesn't initially look + * like it belongs here, except that the driver is the only entity + * that knows for sure how the texture memory is allocated - via + * the above callbacks. There is then an argument that the driver + * knows what memcpy paths might be fast. Typically this is invoked with + * + * to -- a pointer into texture memory allocated by NewTextureImage() above. + * from -- a pointer into client memory or a mesa temporary. + * sz -- nr bytes to copy. + */ + void (*TextureMemCpy)( void *to, const void *from, size_t sz ); + + /** * Called by glAreTextureResident(). */ GLboolean (*IsTextureResident)( GLcontext *ctx, |