In the C23 standard unreachable() is now a predefined function-like
macro in <stddef.h>
See https://android.googlesource.com/platform/bionic/+/HEAD/docs/c23.md#is-now-a-predefined-function_like-macro-in
And this causes build errors when building for C23:
-----------------------------------------------------------------------
In file included from ../src/util/log.h:30,
from ../src/util/log.c:30:
../src/util/macros.h:123:9: warning: "unreachable" redefined
123 | #define unreachable(str) \
| ^~~~~~~~~~~
In file included from ../src/util/macros.h:31:
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:456:9: note: this is the location of the previous definition
456 | #define unreachable() (__builtin_unreachable ())
| ^~~~~~~~~~~
-----------------------------------------------------------------------
So don't redefine it with the same name, but use the name UNREACHABLE()
to also signify it's a macro.
Using a different name also makes sense because the behavior of the
macro was extending the one of __builtin_unreachable() anyway, and it
also had a different signature, accepting one argument, compared to the
standard unreachable() with no arguments.
This change improves the chances of building mesa with the C23 standard,
which for instance is the default in recent AOSP versions.
All the instances of the macro, including the definition, were updated
with the following command line:
git grep -l '[^_]unreachable(' -- "src/**" | sort | uniq | \
while read file; \
do \
sed -e 's/\([^_]\)unreachable(/\1UNREACHABLE(/g' -i "$file"; \
done && \
sed -e 's/#undef unreachable/#undef UNREACHABLE/g' -i src/intel/isl/isl_aux_info.c
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36437>
For drivers already using vk_common_ResetCommandBuffer(), it now only
calls the driver's reset hook if the command buffer is not in the
INITIAL state. Pulled this trick from the PowerVR driver.
v2 (Jason Ekstrand):
- Rename from "status" to "state" since that's what's in the spec
- Add vk_command_buffer_begin/end instead of drivers setting it all
manually
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16922>
This pulls the record state out of the cmd queue into the command
buffer. It can be used here by other drivers.
v2: add some get/set api: not set only sets the first error.
v3 (Jason Ekstrand):
- Rename set_record_result to set_error
- Automatically log the set error
- Add a new vk_command_bufer_has_error() helper
- Split out vk_cmd_queue changes into their own commit
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16918>
This implements vkCmdBeginRenderPass, vkCmdEndRenderPass, and
vkCmdNextSubpass in terms of the new vkCmdBegin/EndRendering included in
VK_KHR_dynamic_rendering and Vulkan 1.3. All subpass dependencies and
implicit layout transitions are turned into actual barriers. It does
require VK_KHR_synchronization2 because it always uses the 64-bit
version of the pipeline stage and access bitfields.
Reviewed-by: Ivan Briano <ivan.briano@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14961>
