From: Nicolai Hähnle <nicolai.haeh...@amd.com> This allows drivers to make smarter decisions e.g. about whether the image has to be decompressed. --- src/gallium/include/pipe/p_defines.h | 8 ++++++++ src/gallium/include/pipe/p_state.h | 3 ++- 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index a490b3b..bdd76ab 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -541,6 +541,14 @@ enum pipe_reset_status PIPE_HANDLE_USAGE_WRITE) /** + * pipe_image_view access flags. + */ +#define PIPE_IMAGE_ACCESS_READ (1 << 0) +#define PIPE_IMAGE_ACCESS_WRITE (1 << 1) +#define PIPE_IMAGE_ACCESS_READ_WRITE (PIPE_IMAGE_ACCESS_READ | \ + PIPE_IMAGE_ACCESS_WRITE) + +/** * Implementation capabilities/limits which are queried through * pipe_screen::get_param() */ diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h index c568c48..2e720ce 100644 --- a/src/gallium/include/pipe/p_state.h +++ b/src/gallium/include/pipe/p_state.h @@ -393,13 +393,14 @@ struct pipe_sampler_view /** - * A description of a writable buffer or texture that can be bound to a shader + * A description of a buffer or texture image that can be bound to a shader * stage. */ struct pipe_image_view { struct pipe_resource *resource; /**< resource into which this is a view */ enum pipe_format format; /**< typed PIPE_FORMAT_x */ + unsigned access; /**< PIPE_IMAGE_ACCESS_x */ union { struct { -- 2.5.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev