efl/src/lib/elementary/elm_glview.c

629 lines
18 KiB
C

#ifdef HAVE_CONFIG_H
# include "elementary_config.h"
#endif
#define EFL_ACCESS_OBJECT_PROTECTED
#include <Elementary.h>
#include "elm_priv.h"
#include "elm_widget_glview.h"
#define MY_CLASS ELM_GLVIEW_CLASS
#define MY_CLASS_NAME "Elm_Glview"
#define MY_CLASS_NAME_LEGACY "elm_glview"
static const char SIG_FOCUSED[] = "focused";
static const char SIG_UNFOCUSED[] = "unfocused";
/* smart callbacks coming from elm glview objects: */
static const Evas_Smart_Cb_Description _smart_callbacks[] = {
{SIG_FOCUSED, ""},
{SIG_UNFOCUSED, ""},
{SIG_WIDGET_LANG_CHANGED, ""}, /**< handled by elm_widget */
{SIG_WIDGET_ACCESS_CHANGED, ""}, /**< handled by elm_widget */
{NULL, NULL}
};
EOLIAN static Eina_Bool
_elm_glview_efl_ui_focus_object_on_focus_update(Eo *obj, Elm_Glview_Data *_pd EINA_UNUSED)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
Eina_Bool int_ret = EINA_FALSE;
int_ret = efl_ui_focus_object_on_focus_update(efl_super(obj, MY_CLASS));
if (!int_ret) return EINA_FALSE;
if (efl_ui_focus_object_focus_get(obj))
evas_object_focus_set(wd->resize_obj, EINA_TRUE);
else
evas_object_focus_set(wd->resize_obj, EINA_FALSE);
return EINA_TRUE;
}
static void
_glview_update_surface(Evas_Object *obj)
{
Evas_Native_Surface ns = {};
Evas_GL_Options_Bits opt;
ELM_GLVIEW_DATA_GET(obj, sd);
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
if (!sd) return;
evas_gl_make_current(sd->evasgl, NULL, NULL);
if (sd->surface)
{
evas_object_image_native_surface_set(wd->resize_obj, NULL);
evas_gl_surface_destroy(sd->evasgl, sd->surface);
}
evas_object_image_size_set(wd->resize_obj, sd->w, sd->h);
opt = sd->config->options_bits;
if ((opt & EVAS_GL_OPTIONS_DIRECT) &&
(sd->render_policy != ELM_GLVIEW_RENDER_POLICY_ON_DEMAND))
{
if (!sd->warned_about_dr)
{
WRN("App requested direct rendering but render policy is not ON_DEMAND. "
"Disabling direct rendering...");
sd->warned_about_dr = EINA_TRUE;
}
sd->config->options_bits &= ~(EVAS_GL_OPTIONS_DIRECT);
}
sd->surface = evas_gl_surface_create(sd->evasgl, sd->config, sd->w, sd->h);
sd->config->options_bits = opt;
evas_gl_native_surface_get(sd->evasgl, sd->surface, &ns);
evas_object_image_native_surface_set(wd->resize_obj, &ns);
elm_obj_glview_draw_request(obj);
// fake a resize event so that clients can reconfigure their viewport
sd->resized = EINA_TRUE;
}
EOLIAN static void
_elm_glview_efl_gfx_entity_size_set(Eo *obj, Elm_Glview_Data *sd, Eina_Size2D sz)
{
if (_evas_object_intercept_call(obj, EVAS_OBJECT_INTERCEPT_CB_RESIZE, 0, sz.w, sz.h))
return;
efl_gfx_entity_size_set(efl_super(obj, MY_CLASS), sz);
sd->resized = EINA_TRUE;
if (sd->scale_policy == ELM_GLVIEW_RESIZE_POLICY_RECREATE)
{
if ((sz.w == 0) || (sz.h == 0))
sz = EINA_SIZE2D(64, 64);
sd->w = sz.w;
sd->h = sz.h;
_glview_update_surface(obj);
}
}
static void
_render_cb(void *obj, const Efl_Event *event EINA_UNUSED)
{
ELM_GLVIEW_DATA_GET(obj, sd);
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, );
evas_object_render_op_set(wd->resize_obj, evas_object_render_op_get(obj));
// Do a make current
if (!evas_gl_make_current(sd->evasgl, sd->surface, sd->context))
{
ERR("Failed doing make current.");
goto on_error;
}
// Call the init function if it hasn't been called already
if (!sd->initialized)
{
//TODO:will be optimized
efl_event_callback_legacy_call(obj, ELM_GLVIEW_EVENT_CREATED, NULL);
if (sd->init_func) sd->init_func(obj);
sd->initialized = EINA_TRUE;
}
if (sd->resized)
{
//TODO:will be optimized
efl_event_callback_legacy_call(obj, ELM_GLVIEW_EVENT_RESIZED, NULL);
if (sd->resize_func) sd->resize_func(obj);
sd->resized = EINA_FALSE;
}
if (sd->render_policy == ELM_GLVIEW_RENDER_POLICY_ALWAYS)
evas_sync(evas_object_evas_get(obj));
// Call the render function
if (sd->render_func) sd->render_func(obj);
//TODO:will be optimized
efl_event_callback_legacy_call(obj, ELM_GLVIEW_EVENT_RENDER, NULL);
// Depending on the policy return true or false
if (sd->render_policy == ELM_GLVIEW_RENDER_POLICY_ON_DEMAND)
{
return;
}
else if (sd->render_policy == ELM_GLVIEW_RENDER_POLICY_ALWAYS)
{
// Return false so it only runs once
goto on_error;
}
else
{
ERR("Invalid Render Policy.");
goto on_error;
}
return;
on_error:
efl_event_callback_del(efl_main_loop_get(),
EFL_LOOP_EVENT_IDLE_ENTER,
_render_cb,
obj);
sd->render_idle_enterer = 0;
}
static void
_set_render_policy_callback(Evas_Object *obj)
{
ELM_GLVIEW_DATA_GET(obj, sd);
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
switch (sd->render_policy)
{
case ELM_GLVIEW_RENDER_POLICY_ON_DEMAND:
if (sd->render_idle_enterer)
{
evas_object_image_pixels_dirty_set(wd->resize_obj, EINA_TRUE);
evas_object_image_data_update_add(wd->resize_obj, 0, 0, sd->w, sd->h);
}
// Delete idle_enterer if it for some reason is around
efl_event_callback_del(efl_main_loop_get(),
EFL_LOOP_EVENT_IDLE_ENTER,
_render_cb,
obj);
sd->render_idle_enterer = 0;
// Set pixel getter callback
evas_object_image_pixels_get_callback_set
(wd->resize_obj,
(Evas_Object_Image_Pixels_Get_Cb)_render_cb,
obj);
break;
case ELM_GLVIEW_RENDER_POLICY_ALWAYS:
if (evas_object_image_pixels_dirty_get(wd->resize_obj) && !sd->render_idle_enterer)
sd->render_idle_enterer = efl_event_callback_priority_add(efl_main_loop_get(),
EFL_LOOP_EVENT_IDLE_ENTER,
EFL_CALLBACK_PRIORITY_BEFORE,
_render_cb,
obj);
// Unset the pixel getter callback if set already
evas_object_image_pixels_get_callback_set
(wd->resize_obj, NULL, NULL);
break;
default:
ERR("Invalid Render Policy.");
return;
}
}
EOLIAN static void
_elm_glview_efl_canvas_group_group_add(Eo *obj, Elm_Glview_Data *priv EINA_UNUSED)
{
Evas_Object *img;
// Create image to render Evas_GL Surface
img = evas_object_image_filled_add(evas_object_evas_get(obj));
elm_widget_resize_object_set(obj, img);
evas_object_image_size_set(img, 1, 1);
efl_canvas_group_add(efl_super(obj, MY_CLASS));
}
static void
_elm_glview_constructor(Eo *obj, Elm_Glview_Data *priv)
{
// Evas_GL
priv->evasgl = evas_gl_new(evas_object_evas_get(obj));
if (!priv->evasgl)
{
ERR("Failed Creating an Evas GL Object.");
return;
}
// Create a default config
priv->config = evas_gl_config_new();
if (!priv->config)
{
ERR("Failed Creating a Config Object.");
evas_gl_free(priv->evasgl);
priv->evasgl = NULL;
return;
}
priv->config->color_format = EVAS_GL_RGB_888;
// Initialize variables
priv->scale_policy = ELM_GLVIEW_RESIZE_POLICY_RECREATE;
priv->render_policy = ELM_GLVIEW_RENDER_POLICY_ON_DEMAND;
// Initialize it to (64,64) (It's an arbitrary value)
priv->w = 64;
priv->h = 64;
// Set context version
if (!priv->gles_version)
priv->gles_version = EVAS_GL_GLES_2_X;
priv->config->gles_version = priv->gles_version;
// Create Context
if (priv->gles_version == EVAS_GL_GLES_2_X)
priv->context = evas_gl_context_create(priv->evasgl, NULL);
else
priv->context = evas_gl_context_version_create(priv->evasgl, NULL, priv->gles_version);
if ((!priv->context) || (!evas_gl_context_api_get(priv->evasgl, priv->context)))
{
ERR("Error Creating an Evas_GL Context.");
ELM_SAFE_FREE(priv->config, evas_gl_config_free);
ELM_SAFE_FREE(priv->evasgl, evas_gl_free);
return;
}
}
EOLIAN static void
_elm_glview_efl_canvas_group_group_del(Eo *obj, Elm_Glview_Data *sd)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
// Call delete func if it's registered
if (sd->del_func)
{
evas_gl_make_current(sd->evasgl, sd->surface, sd->context);
sd->del_func(obj);
}
//TODO:will be optimised
efl_event_callback_legacy_call(obj, ELM_GLVIEW_EVENT_DESTROYED, NULL);
efl_event_callback_del(efl_main_loop_get(),
EFL_LOOP_EVENT_IDLE_ENTER,
_render_cb,
obj);
evas_gl_make_current(sd->evasgl, NULL, NULL);
if (sd->surface)
{
evas_object_image_native_surface_set(wd->resize_obj, NULL);
evas_gl_surface_destroy(sd->evasgl, sd->surface);
}
if (sd->context) evas_gl_context_destroy(sd->evasgl, sd->context);
if (sd->config) evas_gl_config_free(sd->config);
if (sd->evasgl) evas_gl_free(sd->evasgl);
efl_canvas_group_del(efl_super(obj, MY_CLASS));
}
static void
_cb_added(void *data EINA_UNUSED, const Efl_Event *ev)
{
const Efl_Callback_Array_Item *event = ev->info;
ELM_GLVIEW_DATA_GET(ev->object, sd);
if (event->desc == ELM_GLVIEW_EVENT_CREATED)
{
sd->initialized = EINA_FALSE;
}
else if (event->desc == ELM_GLVIEW_EVENT_RENDER)
{
_set_render_policy_callback(ev->object);
}
}
EAPI Evas_Object *
elm_glview_add(Evas_Object *parent)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
return elm_legacy_add(MY_CLASS, parent,
elm_obj_glview_version_constructor(efl_added, EVAS_GL_GLES_2_X));
}
EAPI Evas_Object *
elm_glview_version_add(Evas_Object *parent, Evas_GL_Context_Version version)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
return elm_legacy_add(MY_CLASS, parent,
elm_obj_glview_version_constructor(efl_added, version));
}
EOLIAN static void
_elm_glview_version_constructor(Eo *obj, Elm_Glview_Data *sd,
Evas_GL_Context_Version version)
{
sd->gles_version =
((version > 0) && (version <= 3)) ? version : EVAS_GL_GLES_2_X;
_elm_glview_constructor(obj, sd);
efl_canvas_object_type_set(obj, MY_CLASS_NAME_LEGACY);
evas_object_smart_callbacks_descriptions_set(obj, _smart_callbacks);
efl_access_object_role_set(obj, EFL_ACCESS_ROLE_ANIMATION);
efl_event_callback_add(obj, EFL_EVENT_CALLBACK_ADD, _cb_added, NULL);
}
EOLIAN static Efl_Object*
_elm_glview_efl_object_constructor(Eo *obj, Elm_Glview_Data *pd EINA_UNUSED)
{
legacy_object_focus_handle(obj);
return efl_constructor(efl_super(obj, MY_CLASS));
}
EOLIAN static Eo *
_elm_glview_efl_object_finalize(Eo *obj, Elm_Glview_Data *sd)
{
if (!sd->evasgl)
{
ERR("Failed");
return NULL;
}
return efl_finalize(efl_super(obj, MY_CLASS));
}
EOLIAN static Evas_GL_API*
_elm_glview_gl_api_get(const Eo *obj EINA_UNUSED, Elm_Glview_Data *sd)
{
return evas_gl_context_api_get(sd->evasgl, sd->context);
}
EOLIAN static Eina_Bool
_elm_glview_mode_set(Eo *obj, Elm_Glview_Data *sd, Elm_GLView_Mode mode)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
// Set the configs
if (mode & ELM_GLVIEW_ALPHA) sd->config->color_format = EVAS_GL_RGBA_8888;
else sd->config->color_format = EVAS_GL_RGB_888;
if (mode & ELM_GLVIEW_DEPTH)
{
const int mask = 7 << 6;
if ((mode & mask) == (ELM_GLVIEW_DEPTH_8 & mask))
sd->config->depth_bits = EVAS_GL_DEPTH_BIT_8;
else if ((mode & mask) == (ELM_GLVIEW_DEPTH_16 & mask))
sd->config->depth_bits = EVAS_GL_DEPTH_BIT_16;
else if ((mode & mask) == (ELM_GLVIEW_DEPTH_24 & mask))
sd->config->depth_bits = EVAS_GL_DEPTH_BIT_24;
else if ((mode & mask) == (ELM_GLVIEW_DEPTH_32 & mask))
sd->config->depth_bits = EVAS_GL_DEPTH_BIT_32;
else
sd->config->depth_bits = EVAS_GL_DEPTH_BIT_24;
}
else
sd->config->depth_bits = EVAS_GL_DEPTH_NONE;
if (mode & ELM_GLVIEW_STENCIL)
{
const int mask = 7 << 9;
if ((mode & mask) == (ELM_GLVIEW_STENCIL_1 & mask))
sd->config->stencil_bits = EVAS_GL_STENCIL_BIT_1;
else if ((mode & mask) == (ELM_GLVIEW_STENCIL_2 & mask))
sd->config->stencil_bits = EVAS_GL_STENCIL_BIT_2;
else if ((mode & mask) == (ELM_GLVIEW_STENCIL_4 & mask))
sd->config->stencil_bits = EVAS_GL_STENCIL_BIT_4;
else if ((mode & mask) == (ELM_GLVIEW_STENCIL_8 & mask))
sd->config->stencil_bits = EVAS_GL_STENCIL_BIT_8;
else if ((mode & mask) == (ELM_GLVIEW_STENCIL_16 & mask))
sd->config->stencil_bits = EVAS_GL_STENCIL_BIT_16;
else
sd->config->stencil_bits = EVAS_GL_STENCIL_BIT_8;
}
else
sd->config->stencil_bits = EVAS_GL_STENCIL_NONE;
if (mode & ELM_GLVIEW_MULTISAMPLE_HIGH)
{
if ((mode & ELM_GLVIEW_MULTISAMPLE_HIGH) == ELM_GLVIEW_MULTISAMPLE_LOW)
sd->config->multisample_bits = EVAS_GL_MULTISAMPLE_LOW;
else if ((mode & ELM_GLVIEW_MULTISAMPLE_HIGH) == ELM_GLVIEW_MULTISAMPLE_MED)
sd->config->multisample_bits = EVAS_GL_MULTISAMPLE_MED;
else
sd->config->multisample_bits = EVAS_GL_MULTISAMPLE_HIGH;
}
else
sd->config->multisample_bits = EVAS_GL_MULTISAMPLE_NONE;
sd->config->options_bits = EVAS_GL_OPTIONS_NONE;
if (mode & ELM_GLVIEW_DIRECT)
sd->config->options_bits = EVAS_GL_OPTIONS_DIRECT;
if (mode & ELM_GLVIEW_CLIENT_SIDE_ROTATION)
sd->config->options_bits |= EVAS_GL_OPTIONS_CLIENT_SIDE_ROTATION;
// Check for Alpha Channel and enable it
if (mode & ELM_GLVIEW_ALPHA)
evas_object_image_alpha_set(wd->resize_obj, EINA_TRUE);
else
evas_object_image_alpha_set(wd->resize_obj, EINA_FALSE);
sd->mode = mode;
sd->warned_about_dr = EINA_FALSE;
_glview_update_surface(obj);
if (!sd->surface)
{
ERR("Failed to create a surface with the requested configuration.");
return EINA_FALSE;
}
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_elm_glview_resize_policy_set(Eo *obj, Elm_Glview_Data *sd, Elm_GLView_Resize_Policy policy)
{
if (policy == sd->scale_policy) return EINA_TRUE;
switch (policy)
{
case ELM_GLVIEW_RESIZE_POLICY_RECREATE:
case ELM_GLVIEW_RESIZE_POLICY_SCALE:
sd->scale_policy = policy;
_glview_update_surface(obj);
elm_obj_glview_draw_request(obj);
return EINA_TRUE;
default:
ERR("Invalid Scale Policy.");
return EINA_FALSE;
}
return EINA_TRUE;
}
EOLIAN static Eina_Bool
_elm_glview_render_policy_set(Eo *obj, Elm_Glview_Data *sd, Elm_GLView_Render_Policy policy)
{
if ((policy != ELM_GLVIEW_RENDER_POLICY_ON_DEMAND) &&
(policy != ELM_GLVIEW_RENDER_POLICY_ALWAYS))
{
ERR("Invalid Render Policy.");
return EINA_FALSE;
}
if (sd->render_policy == policy) return EINA_TRUE;
sd->warned_about_dr = EINA_FALSE;
sd->render_policy = policy;
_set_render_policy_callback(obj);
return EINA_TRUE;
}
EOLIAN static void
_elm_glview_efl_gfx_view_view_size_set(Eo *obj, Elm_Glview_Data *sd, Eina_Size2D sz)
{
if ((sz.w == sd->w) && (sz.h == sd->h)) return;
sd->w = sz.w;
sd->h = sz.h;
_glview_update_surface(obj);
elm_obj_glview_draw_request(obj);
}
EOLIAN static Eina_Size2D
_elm_glview_efl_gfx_view_view_size_get(const Eo *obj EINA_UNUSED, Elm_Glview_Data *sd)
{
return EINA_SIZE2D(sd->w, sd->h);
}
EOLIAN static void
_elm_glview_draw_request(Eo *obj, Elm_Glview_Data *sd)
{
ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
evas_object_image_pixels_dirty_set(wd->resize_obj, EINA_TRUE);
evas_object_image_data_update_add(wd->resize_obj, 0, 0, sd->w, sd->h);
if (sd->render_policy == ELM_GLVIEW_RENDER_POLICY_ALWAYS &&
!sd->render_idle_enterer)
sd->render_idle_enterer = efl_event_callback_priority_add(efl_main_loop_get(),
EFL_LOOP_EVENT_IDLE_ENTER,
EFL_CALLBACK_PRIORITY_BEFORE,
_render_cb, obj);
}
EOLIAN static Evas_GL *
_elm_glview_evas_gl_get(const Eo *obj EINA_UNUSED, Elm_Glview_Data *sd)
{
return sd->evasgl;
}
EOLIAN static int
_elm_glview_rotation_get(const Eo *obj EINA_UNUSED, Elm_Glview_Data *sd)
{
return evas_gl_rotation_get(sd->evasgl);
}
static void
_elm_glview_class_constructor(Efl_Class *klass)
{
evas_smart_legacy_type_register(MY_CLASS_NAME_LEGACY, klass);
}
/* Legacy deprecated functions */
EAPI void
elm_glview_changed_set(Evas_Object *obj)
{
ELM_GLVIEW_CHECK(obj);
elm_obj_glview_draw_request(obj);
}
EAPI void
elm_glview_size_get(const Elm_Glview *obj, int *w, int *h)
{
Eina_Size2D sz;
sz = efl_gfx_view_size_get(obj);
if (w) *w = sz.w;
if (h) *h = sz.h;
}
EAPI void
elm_glview_size_set(Elm_Glview *obj, int w, int h)
{
efl_gfx_view_size_set(obj, EINA_SIZE2D(w, h));
}
EAPI void
elm_glview_init_func_set(Elm_Glview *obj, Elm_GLView_Func_Cb func)
{
ELM_GLVIEW_CHECK(obj);
ELM_GLVIEW_DATA_GET(obj, sd);
sd->initialized = EINA_FALSE;
sd->init_func = func;
}
EAPI void
elm_glview_del_func_set(Elm_Glview *obj, Elm_GLView_Func_Cb func)
{
ELM_GLVIEW_CHECK(obj);
ELM_GLVIEW_DATA_GET(obj, sd);
sd->del_func = func;
}
EAPI void
elm_glview_resize_func_set(Elm_Glview *obj, Elm_GLView_Func_Cb func)
{
ELM_GLVIEW_CHECK(obj);
ELM_GLVIEW_DATA_GET(obj, sd);
sd->resize_func = func;
}
EAPI void
elm_glview_render_func_set(Elm_Glview *obj, Elm_GLView_Func_Cb func)
{
ELM_GLVIEW_CHECK(obj);
ELM_GLVIEW_DATA_GET(obj, sd);
sd->render_func = func;
_set_render_policy_callback(obj);
}
/* Internal EO APIs and hidden overrides */
#define ELM_GLVIEW_EXTRA_OPS \
EFL_CANVAS_GROUP_ADD_DEL_OPS(elm_glview)
#include "elm_glview_eo.c"