1 files changed, 245 insertions, 0 deletions

diff --git a/libraries/evas/src/lib/canvas/evas_gl.c b/libraries/evas/src/lib/canvas/evas_gl.c
new file mode 100644
index 0000000..47bb583
--- /dev/null
+++ b/libraries/evas/src/lib/canvas/evas_gl.c
@@ -0,0 +1,245 @@
+/* vim:set ts=8 sw=3 sts=3 expandtab cino=>5n-2f0^-2{2(0W1st0 :*/
+#include "evas_common.h"
+#include "evas_private.h"
+#include "Evas_GL.h"
+
+struct _Evas_GL
+{
+   DATA32      magic;
+   Evas       *evas;
+
+   Eina_List  *contexts;
+   Eina_List  *surfaces;
+};
+
+struct _Evas_GL_Context
+{
+   void    *data;
+};
+
+struct _Evas_GL_Surface
+{
+   void    *data;
+};
+
+EAPI Evas_GL *
+evas_gl_new(Evas *e)
+{
+   Evas_GL *evas_gl;
+
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return NULL;
+   MAGIC_CHECK_END();
+
+   evas_gl = calloc(1, sizeof(Evas_GL));
+   if (!evas_gl) return NULL;
+
+   evas_gl->magic = MAGIC_EVAS_GL;
+   evas_gl->evas = e;
+
+   return evas_gl;
+}
+
+EAPI void
+evas_gl_free(Evas_GL *evas_gl)
+{
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return;
+   MAGIC_CHECK_END();
+
+
+   // Delete undeleted surfaces
+   while (evas_gl->surfaces)
+     evas_gl_surface_destroy(evas_gl, evas_gl->surfaces->data);
+
+   // Delete undeleted contexts
+   while (evas_gl->contexts)
+     evas_gl_context_destroy(evas_gl, evas_gl->contexts->data);
+
+   evas_gl->magic = 0;
+   free(evas_gl);
+}
+
+EAPI Evas_GL_Surface *
+evas_gl_surface_create(Evas_GL *evas_gl, Evas_GL_Config *config, int width, int height)
+{
+   Evas_GL_Surface *surf;
+
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return NULL;
+   MAGIC_CHECK_END();
+
+   if (!config)
+     {
+        ERR("Invalid Config\n");
+        return NULL;
+     }
+
+   surf = calloc(1, sizeof(Evas_GL_Surface));
+
+   surf->data = evas_gl->evas->engine.func->gl_surface_create(evas_gl->evas->engine.data.output, config, width, height);
+
+   if (!surf->data)
+     {
+        ERR("Failed creating a surface from the engine\n");
+        free(surf);
+        return NULL;
+     }
+
+   // Keep track of the surface creations
+   evas_gl->surfaces = eina_list_prepend(evas_gl->surfaces, surf);
+
+   return surf;
+}
+
+EAPI void
+evas_gl_surface_destroy(Evas_GL *evas_gl, Evas_GL_Surface *surf)
+{
+   // Magic
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return;
+   MAGIC_CHECK_END();
+
+   if (!surf)
+     {
+        ERR("Trying to destroy a NULL surface pointer!\n");
+        return;
+     }
+
+   // Call Engine's Surface Destroy
+   evas_gl->evas->engine.func->gl_surface_destroy(evas_gl->evas->engine.data.output, surf->data);
+
+   // Remove it from the list
+   evas_gl->surfaces = eina_list_remove(evas_gl->surfaces, surf);
+
+   // Delete the object
+   free(surf);
+   surf = NULL;
+}
+
+EAPI Evas_GL_Context *
+evas_gl_context_create(Evas_GL *evas_gl, Evas_GL_Context *share_ctx)
+{
+   Evas_GL_Context *ctx;
+
+   // Magic
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return NULL;
+   MAGIC_CHECK_END();
+
+   // Allocate a context object
+   ctx = calloc(1, sizeof(Evas_GL_Context));
+   if (!ctx)
+     {
+        ERR("Unable to create a Evas_GL_Context object\n");
+        return NULL;
+     }
+
+   // Call engine->gl_create_context
+   if (share_ctx)
+     {
+        ctx->data = evas_gl->evas->engine.func->gl_context_create(evas_gl->evas->engine.data.output, share_ctx->data);
+     }
+   else
+     {
+        ctx->data = evas_gl->evas->engine.func->gl_context_create(evas_gl->evas->engine.data.output, NULL);
+     }
+
+   // Set a few variables
+   if (!ctx->data)
+     {
+        ERR("Failed creating a context from the engine\n");
+        free(ctx);
+        return NULL;
+     }
+
+   // Keep track of the context creations
+   evas_gl->contexts = eina_list_prepend(evas_gl->contexts, ctx);
+
+   return ctx;
+
+}
+
+EAPI void
+evas_gl_context_destroy(Evas_GL *evas_gl, Evas_GL_Context *ctx)
+{
+
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return;
+   MAGIC_CHECK_END();
+
+   if (!ctx)
+     {
+        ERR("Trying to destroy a NULL context pointer!\n");
+        return;
+     }
+
+   // Call Engine's destroy
+   evas_gl->evas->engine.func->gl_context_destroy(evas_gl->evas->engine.data.output, ctx->data);
+
+   // Remove it from the list
+   evas_gl->contexts = eina_list_remove(evas_gl->contexts, ctx);
+
+   // Delete the object
+   free(ctx);
+   ctx = NULL;
+}
+
+EAPI Eina_Bool
+evas_gl_make_current(Evas_GL *evas_gl, Evas_GL_Surface *surf, Evas_GL_Context *ctx)
+{
+   Eina_Bool ret;
+
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return EINA_FALSE;
+   MAGIC_CHECK_END();
+
+   if ((!surf) || (!ctx))
+     ret = (Eina_Bool)evas_gl->evas->engine.func->gl_make_current(evas_gl->evas->engine.data.output, NULL, NULL);
+   else
+     ret = (Eina_Bool)evas_gl->evas->engine.func->gl_make_current(evas_gl->evas->engine.data.output, surf->data, ctx->data);
+
+   return ret;
+}
+
+EAPI const char *
+evas_gl_string_query(Evas_GL *evas_gl, int name)
+{
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return EINA_FALSE;
+   MAGIC_CHECK_END();
+
+   return (const char *)evas_gl->evas->engine.func->gl_string_query(evas_gl->evas->engine.data.output, name);
+}
+
+EAPI Evas_GL_Func
+evas_gl_proc_address_get(Evas_GL *evas_gl, const char *name)
+{
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return EINA_FALSE;
+   MAGIC_CHECK_END();
+
+   return (Evas_GL_Func)evas_gl->evas->engine.func->gl_proc_address_get(evas_gl->evas->engine.data.output, name);
+}
+
+EAPI Eina_Bool
+evas_gl_native_surface_get(Evas_GL *evas_gl, Evas_GL_Surface *surf, Evas_Native_Surface *ns)
+{
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return EINA_FALSE;
+   MAGIC_CHECK_END();
+
+   return (Eina_Bool)evas_gl->evas->engine.func->gl_native_surface_get(evas_gl->evas->engine.data.output, surf->data, ns);
+}
+
+
+EAPI Evas_GL_API *
+evas_gl_api_get(Evas_GL *evas_gl)
+{
+   MAGIC_CHECK(evas_gl, Evas_GL, MAGIC_EVAS_GL);
+   return NULL;
+   MAGIC_CHECK_END();
+
+   return (Evas_GL_API*)evas_gl->evas->engine.func->gl_api_get(evas_gl->evas->engine.data.output);
+
+}