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glamor-ddx: Add code to check required egl extensions. 

Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Zhigang Gong 2011-08-19 10:53:44 +08:00
parent eaa07998c4
commit 3648e35b5d
1 changed files with 39 additions and 0 deletions
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39
hw/xfree86/glamor/glamor.c
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@ -304,6 +304,31 @@ glamor_close_screen_ddx(int scrnIndex, ScreenPtr screen)
return TRUE; return TRUE;
} }
static Bool
glamor_egl_has_extension(struct glamor_screen_private *glamor, char *extension)
{
const char *egl_extensions;
char *pext;
int ext_len;
ext_len = strlen(extension);
egl_extensions = (const char*)eglQueryString(glamor->display, EGL_EXTENSIONS);
pext = (char*)egl_extensions;
if (pext == NULL || extension == NULL)
return FALSE;
while((pext = strstr(pext, extension)) != NULL) {
if (pext[ext_len] == ' ' || pext[ext_len] == '\0')
return TRUE;
pext += ext_len;
}
return FALSE;
}
static Bool static Bool
glamor_screen_init_ddx(int scrnIndex, ScreenPtr screen, int argc, char **argv) glamor_screen_init_ddx(int scrnIndex, ScreenPtr screen, int argc, char **argv)
{ {
@ -353,6 +378,20 @@ glamor_screen_init_ddx(int scrnIndex, ScreenPtr screen, int argc, char **argv)
version = eglQueryString(glamor->display, EGL_VERSION); version = eglQueryString(glamor->display, EGL_VERSION);
xf86Msg(X_INFO, "%s: EGL version %s:\n", glamor_name, version); xf86Msg(X_INFO, "%s: EGL version %s:\n", glamor_name, version);
#define GLAMOR_CHECK_EGL_EXTENSION(EXT) \
if (!glamor_egl_has_extension(glamor, "EGL_" #EXT)) { \
ErrorF("EGL_" #EXT "required.\n"); \
return FALSE; \
}
GLAMOR_CHECK_EGL_EXTENSION(MESA_drm_image);
GLAMOR_CHECK_EGL_EXTENSION(KHR_gl_renderbuffer_image);
#ifdef GLAMOR_GLES2
GLAMOR_CHECK_EGL_EXTENSION(KHR_surfaceless_gles2);
#else
GLAMOR_CHECK_EGL_EXTENSION(KHR_surfaceless_opengl);
#endif
glamor->egl_create_drm_image_mesa = (PFNEGLCREATEDRMIMAGEMESA)eglGetProcAddress("eglCreateDRMImageMESA"); glamor->egl_create_drm_image_mesa = (PFNEGLCREATEDRMIMAGEMESA)eglGetProcAddress("eglCreateDRMImageMESA");
glamor->egl_export_drm_image_mesa = (PFNEGLEXPORTDRMIMAGEMESA)eglGetProcAddress("eglExportDRMImageMESA"); glamor->egl_export_drm_image_mesa = (PFNEGLEXPORTDRMIMAGEMESA)eglGetProcAddress("eglExportDRMImageMESA");