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glx: turn LIBGL_NO_DRAWARRAYS into a boolean

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Instead of setting based on set/unset, allow users to use boolean values.
In the docs, use `NO_DRAWARRAYS=true` instead of `NO_DRAWARRAYS=1` as it's
clearer IMO.

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Eric Engestrom 2017-09-08 11:57:26 +01:00
parent d2768a397d
commit 717fb6e4be
2 changed files with 6 additions and 2 deletions
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2
docs/envvars.html
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@ -31,7 +31,7 @@ sometimes be useful for debugging end-user issues.
<li>LIBGL_DRIVERS_PATH - colon-separated list of paths to search for DRI drivers
<li>LIBGL_ALWAYS_INDIRECT - if set to `true`, forces an indirect rendering context/connection.
<li>LIBGL_ALWAYS_SOFTWARE - if set to `true`, always use software rendering
<li>LIBGL_NO_DRAWARRAYS - if set do not use DrawArrays GLX protocol (for debugging)
<li>LIBGL_NO_DRAWARRAYS - if set to `true`, do not use DrawArrays GLX protocol (for debugging)
<li>LIBGL_SHOW_FPS - print framerate to stdout based on the number of glXSwapBuffers
calls per second.
<li>LIBGL_DRI3_DISABLE - disable DRI3 if set to `true`.

6
src/glx/indirect_glx.c
View file

@ -30,9 +30,13 @@
* Kristian Høgsberg (krh@bitplanet.net)
*/
#include <stdbool.h>
#include "glapi.h"
#include "glxclient.h"
#include "util/debug.h"
#ifndef GLX_USE_APPLEGL
extern struct _glapi_table *__glXNewIndirectAPI(void);
@ -371,7 +375,7 @@ indirect_create_context(struct glx_screen *psc,
return NULL;
}
gc->client_state_private = state;
state->NoDrawArraysProtocol = (getenv("LIBGL_NO_DRAWARRAYS") != NULL);
state->NoDrawArraysProtocol = env_var_as_boolean("LIBGL_NO_DRAWARRAYS", false);
/*
** Create a temporary buffer to hold GLX rendering commands. The size