From 02d724e716ee2d3c41d7b055337b79e9db352c46 Mon Sep 17 00:00:00 2001
From: Wonsik Jung <sidein@samsung.com>
Date: Fri, 5 Feb 2016 07:50:22 +0100
Subject: [PATCH] evas: add native surface with TBM Surface for wayland_shm
 engine

Summary: @feature  add evas object image's native surface with TBM surface for wayland_shm

Test Plan: Making tbm test sample and testing on Tizen Device/Emulator

Reviewers: raster, cedric, spacegrapher, jpeg

Reviewed By: spacegrapher

Subscribers: mer.kim, JoogabYun, scholb.kim, dkdk

Differential Revision: https://phab.enlightenment.org/D3618

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
---
 .../evas/engines/wayland_shm/evas_engine.c    | 91 +++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/src/modules/evas/engines/wayland_shm/evas_engine.c b/src/modules/evas/engines/wayland_shm/evas_engine.c
index 82500908b3..e6a810c130 100644
--- a/src/modules/evas/engines/wayland_shm/evas_engine.c
+++ b/src/modules/evas/engines/wayland_shm/evas_engine.c
@@ -5,6 +5,11 @@
 #endif
 
 #include "evas_engine.h"
+#include "../software_generic/evas_native_common.h"
+
+#ifdef HAVE_DLSYM
+# include <dlfcn.h>
+#endif
 
 /* logging domain variable */
 int _evas_engine_way_shm_log_dom = -1;
@@ -12,6 +17,8 @@ int _evas_engine_way_shm_log_dom = -1;
 /* evas function tables - filled in later (func and parent func) */
 static Evas_Func func, pfunc;
 
+Evas_Native_Tbm_Surface_Image_Set_Call  glsym_evas_native_tbm_surface_image_set = NULL;
+
 /* engine structure data */
 typedef struct _Render_Engine Render_Engine;
 struct _Render_Engine
@@ -77,6 +84,22 @@ err:
    return NULL;
 }
 
+static void
+_symbols(void)
+{
+   static int done = 0;
+
+   if (done) return;
+
+#define LINK2GENERIC(sym) \
+   glsym_##sym = dlsym(RTLD_DEFAULT, #sym);
+
+   // Get function pointer to native_common that is now provided through the link of SW_Generic.
+   LINK2GENERIC(evas_native_tbm_surface_image_set);
+
+   done = 1;
+}
+
 /* ENGINE API FUNCTIONS WE PROVIDE */
 static void *
 eng_info(Evas *eo_evas EINA_UNUSED)
@@ -242,6 +265,71 @@ eng_output_resize(void *data, int w, int h)
    re->generic.h = h;
 }
 
+static void *
+eng_image_native_set(void *data EINA_UNUSED, void *image, void *native)
+{
+   Evas_Native_Surface *ns = native;
+   Image_Entry *ie = image;
+   RGBA_Image *im = image, *im2;
+
+   if (!im || !ns) return im;
+
+   if (ns->type == EVAS_NATIVE_SURFACE_TBM)
+     {
+        if (im->native.data)
+          {
+             //image have native surface already
+             Evas_Native_Surface *ens = im->native.data;
+
+             if ((ens->type == ns->type) &&
+                 (ens->data.tbm.buffer == ns->data.tbm.buffer))
+                return im;
+          }
+      }
+
+   if ((ns->type == EVAS_NATIVE_SURFACE_OPENGL) &&
+       (ns->version == EVAS_NATIVE_SURFACE_VERSION))
+     im2 = evas_cache_image_data(evas_common_image_cache_get(),
+                                 ie->w, ie->h,
+                                 ns->data.x11.visual, 1,
+                                 EVAS_COLORSPACE_ARGB8888);
+   else
+     im2 = evas_cache_image_data(evas_common_image_cache_get(),
+                                 ie->w, ie->h,
+                                 NULL, 1,
+                                 EVAS_COLORSPACE_ARGB8888);
+
+   if (im->native.data)
+      {
+         if (im->native.func.free)
+            im->native.func.free(im->native.func.data, im);
+      }
+
+#ifdef EVAS_CSERVE2
+   if (evas_cserve2_use_get() && evas_cache2_image_cached(ie))
+     evas_cache2_image_close(ie);
+   else
+#endif
+   evas_cache_image_drop(ie);
+   im = im2;
+
+   if (ns->type == EVAS_NATIVE_SURFACE_TBM)
+      return glsym_evas_native_tbm_surface_image_set(NULL, im, ns);
+
+   return im;
+}
+
+static void *
+eng_image_native_get(void *data EINA_UNUSED, void *image)
+{
+   RGBA_Image *im = image;
+   Native *n;
+   if (!im) return NULL;
+   n = im->native.data;
+   if (!n) return NULL;
+   return &(n->ns);
+}
+
 /* EVAS MODULE FUNCTIONS */
 static int 
 module_open(Evas_Module *em)
@@ -273,7 +361,10 @@ module_open(Evas_Module *em)
    ORD(setup);
    ORD(output_free);
    ORD(output_resize);
+   ORD(image_native_set);
+   ORD(image_native_get);
 
+   _symbols();
    /* advertise our own engine functions */
    em->functions = (void *)(&func);