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egl/x11: Honor the EGL_PLATFORM_X11_SCREEN_EXT attribute

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Introduce _egl_display::Options::Platforms for private storage.
For X11 platforms we can use it for the screen number as set by
EGL_PLATFORM_X11_SCREEN_EXT.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Adam Jackson 2017-05-02 12:27:01 -04:00
parent 939b015736
commit ddb99127a6
3 changed files with 14 additions and 8 deletions
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2
src/egl/drivers/dri2/platform_x11.c
View file

@ -1191,7 +1191,7 @@ dri2_get_xcb_connection(_EGLDriver *drv, _EGLDisplay *disp,
struct dri2_egl_display *dri2_dpy)
{
xcb_screen_iterator_t s;
int screen = 0;
int screen = (uintptr_t)disp->Options.Platform;
const char *msg;
disp->DriverData = (void *) dri2_dpy;

19
src/egl/main/egldisplay.c
View file

@ -472,7 +472,7 @@ _eglUnlinkResource(_EGLResource *res, _EGLResourceType type)
#ifdef HAVE_X11_PLATFORM
static EGLBoolean
_eglParseX11DisplayAttribList(const EGLint *attrib_list)
_eglParseX11DisplayAttribList(_EGLDisplay *display, const EGLint *attrib_list)
{
int i;
@ -486,11 +486,10 @@ _eglParseX11DisplayAttribList(const EGLint *attrib_list)
/* EGL_EXT_platform_x11 recognizes exactly one attribute,
* EGL_PLATFORM_X11_SCREEN_EXT, which is optional.
*
* Mesa supports connecting to only the default screen, so we reject
* screen != 0.
*/
if (attrib != EGL_PLATFORM_X11_SCREEN_EXT || value != 0) {
if (attrib == EGL_PLATFORM_X11_SCREEN_EXT) {
display->Options.Platform = (void *)value;
} else {
_eglError(EGL_BAD_ATTRIBUTE, "eglGetPlatformDisplay");
return EGL_FALSE;
}
@ -503,11 +502,17 @@ _EGLDisplay*
_eglGetX11Display(Display *native_display,
const EGLint *attrib_list)
{
if (!_eglParseX11DisplayAttribList(attrib_list)) {
_EGLDisplay *display = _eglFindDisplay(_EGL_PLATFORM_X11,
native_display);
if (!display)
_eglError(EGL_BAD_ALLOC, "eglGetPlatformDisplay");
if (!_eglParseX11DisplayAttribList(display, attrib_list)) {
return NULL;
}
return _eglFindDisplay(_EGL_PLATFORM_X11, native_display);
return display;
}
#endif /* HAVE_X11_PLATFORM */

1
src/egl/main/egldisplay.h
View file

@ -151,6 +151,7 @@ struct _egl_display
struct {
EGLBoolean TestOnly; /**< Driver should not set fields when true */
EGLBoolean UseFallback; /**< Use fallback driver (sw or less features) */
void *Platform; /**< Platform-specific options */
} Options;
/* these fields are set by the driver during init */