diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_blitter.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_blitter.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.h b/mesalib/src/gallium/auxiliary/util/u_blitter.h index 798096e74..3e1457ae0 100644 --- a/mesalib/src/gallium/auxiliary/util/u_blitter.h +++ b/mesalib/src/gallium/auxiliary/util/u_blitter.h @@ -190,6 +190,30 @@ void util_blitter_copy_texture(struct blitter_context *blitter, boolean ignore_stencil); /** + * Same as util_blitter_copy_texture, but dst and src are pipe_surface and + * pipe_sampler_view, respectively. The mipmap level and dstz are part of + * the views. + * + * Drivers can use this to change resource properties (like format, width, + * height) by changing how the views interpret them, instead of changing + * pipe_resource directly. This is usually needed to accelerate copying of + * compressed formats. + * + * src_width0 and src_height0 are sampler_view-private properties that + * override pipe_resource. The blitter uses them for computation of texture + * coordinates. The dst dimensions are supplied through pipe_surface::width + * and height. + * + * NOTE: There are no checks whether the blit is actually supported. + */ +void util_blitter_copy_texture_view(struct blitter_context *blitter, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + struct pipe_sampler_view *src, + const struct pipe_box *srcbox, + unsigned src_width0, unsigned src_height0); + +/** * Clear a region of a (color) surface to a constant value. * * These states must be saved in the blitter in addition to the state objects |