diff options
author | Nicolai Hähnle <[email protected]> | 2016-03-11 20:04:19 -0500 |
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committer | Nicolai Hähnle <[email protected]> | 2016-03-14 17:24:40 -0500 |
commit | 71a1b54b33d2c1db1a0576943c31ae9adaf8d5e2 (patch) | |
tree | e470554a8641a3034f76e2a36a3741e0f3375b78 | |
parent | 8c497b8fb59fa80abb9be315defe809b982958f4 (diff) |
gallium: add access field to pipe_image_view
This allows drivers to make smarter decisions e.g. about whether the image
has to be decompressed.
Reviewed-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
-rw-r--r-- | src/gallium/include/pipe/p_defines.h | 8 | ||||
-rw-r--r-- | src/gallium/include/pipe/p_state.h | 3 |
2 files changed, 10 insertions, 1 deletions
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index a490b3b98ea..bdd76ab1f81 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 c568c483940..2e720ce25f3 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 { |