diff options
author | Kenneth Graunke <[email protected]> | 2013-08-30 23:11:55 -0700 |
---|---|---|
committer | Kenneth Graunke <[email protected]> | 2013-09-09 11:52:21 -0700 |
commit | 3e820e3aef382fed73b6b8128596424ed7690951 (patch) | |
tree | 4b8887c20fc7678133ff79b671a65a3f8060c1f7 /src/egl/main/eglmisc.c | |
parent | 0823a87a7520c79708d6990f761b871c41ebffdf (diff) |
glsl: Pass _mesa_glsl_parse_state into matching_signature and such.
During compilation, we'll use this to determine built-in availability.
The plan is to have a single shader containing every built-in in every
version of the language, but filter out the ones that aren't actually
available to the shader being compiled.
At link time, we don't actually need this filtering capability: we've
already imported prototypes for every built-in that the shader actually
calls, and they're flagged as is_builtin(). The linker doesn't import
any additional prototypes, so it won't pull in any unavailable
built-ins. When resolving prototypes to function definitions, the
linker ensures the values of is_builtin() match, which means that a
shader can't trick the linker into importing the body of an unavailable
built-in by defining a suspiciously similar prototype.
In other words, during linking, we can just pass in NULL. It will work
out fine.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Diffstat (limited to 'src/egl/main/eglmisc.c')
0 files changed, 0 insertions, 0 deletions