[retro-gtk/wip/aplazas/gl-display: 5/12] pixdata: Add the load_gl_texture() method

[Adrien Plazas <aplazas src gnome org>]

commit 7b778f52532c34e98c965446eca9358c81dcf074
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sat Nov 18 08:01:05 2017 +0100

    pixdata: Add the load_gl_texture() method

 retro-gtk/retro-pixdata.c |   27 +++++++++++++++++++++++++++
 retro-gtk/retro-pixdata.h |    1 +
 2 files changed, 28 insertions(+), 0 deletions(-)
---
diff --git a/retro-gtk/retro-pixdata.c b/retro-gtk/retro-pixdata.c
index fa38c31..4927ea3 100644
--- a/retro-gtk/retro-pixdata.c
+++ b/retro-gtk/retro-pixdata.c
@@ -2,6 +2,8 @@
 
 #include "retro-pixdata-private.h"
 
+#include <epoxy/gl.h>
+
 G_DEFINE_BOXED_TYPE (RetroPixdata, retro_pixdata, retro_pixdata_copy, retro_pixdata_free)
 
 /*
@@ -352,3 +354,28 @@ retro_pixdata_to_pixbuf (RetroPixdata *self)
 
   return pixbuf;
 }
+
+/**
+ * retro_pixdata_load_gl_texture:
+ * @self: the #RetroPixdata
+ *
+ * Loads an OpenGL texture from @self.
+ *
+ * Returns: whether the loading was successful
+ */
+gboolean
+retro_pixdata_load_gl_texture (RetroPixdata *self)
+{
+  g_return_val_if_fail (self != NULL, FALSE);
+
+  glTexImage2D (GL_TEXTURE_2D,
+                0,
+                GL_RGB,
+                self->width,
+                self->height,
+                0,
+                GL_BGRA, GL_UNSIGNED_BYTE,
+                self->data);
+
+  return TRUE;
+}
diff --git a/retro-gtk/retro-pixdata.h b/retro-gtk/retro-pixdata.h
index 8c4d13e..3b0b9a8 100644
--- a/retro-gtk/retro-pixdata.h
+++ b/retro-gtk/retro-pixdata.h
@@ -24,6 +24,7 @@ gint retro_pixdata_get_width (RetroPixdata *self);
 gint retro_pixdata_get_height (RetroPixdata *self);
 gfloat retro_pixdata_get_aspect_ratio (RetroPixdata *self);
 GdkPixbuf *retro_pixdata_to_pixbuf (RetroPixdata *self);
+gboolean retro_pixdata_load_gl_texture (RetroPixdata *self);
 
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (RetroPixdata, retro_pixdata_free)