evas-software-x11: Provide TBM Native Surface support for xcb engine

Summary: This adds support for native surfaces in xcb. Previously when
the TBM Native Surface support was added, it broke the xcb build.
These commits fix that issue.

@fix

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/Makefile_Evas.am

@@ -1107,10 +1107,12 @@ modules/evas/engines/software_x11/evas_xcb_outbuf.c \
 modules/evas/engines/software_x11/evas_xcb_buffer.c \
 modules/evas/engines/software_x11/evas_xcb_color.c \
 modules/evas/engines/software_x11/evas_xcb_main.c \
+modules/evas/engines/software_x11/evas_xcb_image.c \
 modules/evas/engines/software_x11/evas_xcb_outbuf.h \
 modules/evas/engines/software_x11/evas_xcb_buffer.h \
 modules/evas/engines/software_x11/evas_xcb_color.h \
-modules/evas/engines/software_x11/evas_xcb_xdefaults.h
+modules/evas/engines/software_x11/evas_xcb_xdefaults.h \
+modules/evas/engines/software_x11/evas_xcb_image.h
 SOFTWARE_X11_CPPFLAGS += @evas_engine_software_xcb_cflags@
 SOFTWARE_X11_LIBADD += @evas_engine_software_xcb_libs@
 endif

src/modules/evas/engines/software_x11/evas_engine.c

@@ -18,6 +18,7 @@
 # include "evas_xcb_outbuf.h"
 # include "evas_xcb_color.h"
 # include "evas_xcb_xdefaults.h"
+# include "evas_xcb_image.h"
 #endif
 
 #ifdef BUILD_ENGINE_SOFTWARE_XLIB
@@ -670,12 +671,15 @@ eng_image_native_set(void *data EINA_UNUSED, void *image, void *native)
      evas_cache_image_drop(ie);
    ie = ie2;
 
-#ifdef BUILD_ENGINE_SOFTWARE_XLIB
    if (ns->type == EVAS_NATIVE_SURFACE_X11)
      {
+#ifdef BUILD_ENGINE_SOFTWARE_XLIB
         return evas_xlib_image_native_set(re->generic.ob, ie, ns);
-     }
 #endif
+#ifdef BUILD_ENGINE_SOFTWARE_XCB
+        return evas_xcb_image_native_set(re->generic.ob, ie, ns);
+#endif
+     }
    if (ns->type == EVAS_NATIVE_SURFACE_TBM)
      {
         return evas_native_tbm_image_set(re->generic.ob, ie, ns);
@@ -687,16 +691,12 @@ eng_image_native_set(void *data EINA_UNUSED, void *image, void *native)
 static void *
 eng_image_native_get(void *data EINA_UNUSED, void *image)
 {
-#ifdef BUILD_ENGINE_SOFTWARE_XLIB
    RGBA_Image *im = image;
    Native *n;
    if (!im) return NULL;
    n = im->native.data;
    if (!n) return NULL;
    return &(n->ns);
-#else
-   return NULL;
-#endif
 }
 
 

src/modules/evas/engines/software_x11/evas_native_tbm.c

@@ -1,5 +1,10 @@
 #include "evas_common_private.h"
-#include "evas_xlib_image.h"
+#ifdef BUILD_ENGINE_SOFTWARE_XLIB
+# include "evas_xlib_image.h"
+#endif
+#ifdef BUILD_ENGINE_SOFTWARE_XCB
+# include "evas_xcb_image.h"
+#endif
 #include "evas_private.h"
 
 #include "Evas_Engine_Software_X11.h"

src/modules/evas/engines/software_x11/evas_xcb_image.c

@@ -0,0 +1,125 @@
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "evas_common_private.h"
+#include "evas_xcb_image.h"
+
+static void 
+_evas_xcb_image_update(void *data EINA_UNUSED, void *image, int x, int y, int w, int h)
+{
+   RGBA_Image *im;
+   Native *n;
+
+   im = image;
+   n = im->native.data;
+
+   if (ecore_x_image_get(n->exim, n->pixmap, 0, 0, x, y, w, h))
+     {
+        char *pix;
+        int bpl, rows, bpp;
+
+        pix = ecore_x_image_data_get(n->exim, &bpl, &rows, &bpp);
+        if (!ecore_x_image_is_argb32_get(n->exim))
+          {
+             Ecore_X_Colormap colormap;
+
+             if (!im->image.data)
+               im->image.data = (DATA32 *)malloc(im->cache_entry.w * im->cache_entry.h * sizeof(DATA32));
+             colormap = ecore_x_default_colormap_get(ecore_x_display_get(), ecore_x_default_screen_get());
+             ecore_x_image_to_argb_convert(pix, bpp, bpl, colormap, n->visual, 
+                                           x, y, w, h, im->image.data, 
+                                           (w * sizeof(int)), 0, 0);
+          }
+        else
+          im->image.data = (DATA32 *)pix;
+     }
+}
+
+static void 
+_native_cb_bind(void *data, void *image, int x, int y, int w, int h)
+{
+   RGBA_Image *im;
+   Native *n;
+
+   im = image;
+   n = im->native.data;
+
+   if ((n) && (n->ns.type == EVAS_NATIVE_SURFACE_X11))
+     _evas_xcb_image_update(data, image, x, y, w, h);
+}
+
+static void 
+_native_cb_free(void *data EINA_UNUSED, void *image)
+{
+   RGBA_Image *im;
+   Native *n;
+
+   im = image;
+   n = im->native.data;
+
+   if (n->exim)
+     {
+        ecore_x_image_free(n->exim);
+        n->exim = NULL;
+     }
+   n->visual = NULL;
+
+   im->native.data = NULL;
+   im->native.func.data = NULL;
+   im->native.func.bind = NULL;
+   im->native.func.free = NULL;
+   im->image.data = NULL;
+
+   free(n);
+}
+
+void *
+evas_xcb_image_native_set(void *data, void *image, void *native)
+{
+   RGBA_Image *im;
+   Evas_Native_Surface *ns;
+
+   im = image;
+   ns = native;
+   if ((ns) && (ns->type == EVAS_NATIVE_SURFACE_X11))
+     {
+        Native *n = NULL;
+        Ecore_X_Image *exim = NULL;
+        Ecore_X_Visual *vis = NULL;
+        Ecore_X_Pixmap pm = 0;
+        int w, h, depth;
+
+        vis = ns->data.x11.visual;
+        pm = ns->data.x11.pixmap;
+
+        depth = ecore_x_drawable_depth_get(pm);
+        w = im->cache_entry.w;
+        h = im->cache_entry.h;
+
+        n = calloc(1, sizeof(Native));
+        if (!n) return NULL;
+
+        exim = ecore_x_image_new(w, h, vis, depth);
+        if (!exim)
+          {
+             ERR("Failed to create new Ecore_X_Image");
+             free(n);
+             return NULL;
+          }
+
+        memcpy(&(n->ns), ns, sizeof(Evas_Native_Surface));
+        n->pixmap = pm;
+        n->visual = vis;
+        n->exim = exim;
+
+        im->native.data = n;
+        im->native.func.data = NULL;
+        im->native.func.bind = _native_cb_bind;
+        im->native.func.free = _native_cb_free;
+
+        _evas_xcb_image_update(data, image, 0, 0, w, h);
+     }
+
+   return im;
+}

src/modules/evas/engines/software_x11/evas_xcb_image.h

@@ -0,0 +1,15 @@
+#include "evas_engine.h"
+#include <Ecore_X.h>
+
+typedef struct _Native Native;
+
+struct _Native
+{
+   Evas_Native_Surface ns;
+   Ecore_X_Pixmap pixmap;
+   Ecore_X_Visual *visual;
+
+   Ecore_X_Image *exim;
+};
+
+void *evas_xcb_image_native_set(void *data, void *image, void *native);