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glamor_egl: add RenderingAPI option 

This allows to choose between Glamor on OpenGL and Glamor on OpenGL ES
via an option.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Konstantin <ria.freelander@gmail.com>
This commit is contained in:
Konstantin 2023-09-21 18:06:14 +03:00 committed by Olivier Fourdan
parent d5c2a4d3f5
commit a44a4b0d4d
1 changed files with 28 additions and 3 deletions
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27
glamor/glamor_egl.c
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@ -1035,11 +1035,24 @@ glamor_egl_try_gles_api(ScrnInfoPtr scrn)
return TRUE;
}
enum {
GLAMOREGLOPT_RENDERING_API,
};
static const OptionInfoRec GlamorEGLOptions[] = {
{ GLAMOREGLOPT_RENDERING_API, "RenderingAPI", OPTV_STRING, {0}, FALSE },
{ -1, NULL, OPTV_NONE, {0}, FALSE },
};
Bool
glamor_egl_init(ScrnInfoPtr scrn, int fd)
{
struct glamor_egl_screen_private *glamor_egl;
const GLubyte *renderer;
OptionInfoPtr options;
const char *api = NULL;
Bool es_allowed = TRUE;
Bool force_es = FALSE;
glamor_egl = calloc(sizeof(*glamor_egl), 1);
if (glamor_egl == NULL)
@ -1047,6 +1060,16 @@ glamor_egl_init(ScrnInfoPtr scrn, int fd)
if (xf86GlamorEGLPrivateIndex == -1)
xf86GlamorEGLPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
options = xnfalloc(sizeof(GlamorEGLOptions));
memcpy(options, GlamorEGLOptions, sizeof(GlamorEGLOptions));
xf86ProcessOptions(scrn->scrnIndex, scrn->options, options);
api = xf86GetOptValString(options, GLAMOREGLOPT_RENDERING_API);
if (api && !strncasecmp(api, "es", 2))
force_es = TRUE;
else if (api && !strncasecmp(api, "gl", 2))
es_allowed = FALSE;
free(options);
scrn->privates[xf86GlamorEGLPrivateIndex].ptr = glamor_egl;
glamor_egl->fd = fd;
glamor_egl->gbm = gbm_create_device(glamor_egl->fd);
@ -1084,10 +1107,12 @@ glamor_egl_init(ScrnInfoPtr scrn, int fd)
GLAMOR_CHECK_EGL_EXTENSION(KHR_surfaceless_context);
GLAMOR_CHECK_EGL_EXTENSION(KHR_no_config_context);
if (!force_es) {
if(!glamor_egl_try_big_gl_api(scrn))
goto error;
}
if (glamor_egl->context == EGL_NO_CONTEXT) {
if (glamor_egl->context == EGL_NO_CONTEXT && es_allowed) {
if(!glamor_egl_try_gles_api(scrn))
goto error;
}