fl_egl_image.cc File Reference

#include "fl_egl_image.h"
#include <epoxy/egl.h>
#include <epoxy/gl.h>

Go to the source code of this file.

Classes
struct	_FlEGLImage

Functions
static EGLImage	create_egl_image (GLuint texture_id)
static void	fl_egl_image_dispose (GObject *object)
static void	fl_egl_image_class_init (FlEGLImageClass *klass)
static void	fl_egl_image_init (FlEGLImage *self)
FlEGLImage *	fl_egl_image_new (GLuint texture)
EGLImage	fl_egl_image_get_image (FlEGLImage *image)

Function Documentation

create_egl_image()

static EGLImage create_egl_image ( GLuint  texture_id )

static

Definition at line 16 of file fl_egl_image.cc.

                                                    {
  EGLDisplay egl_display = eglGetCurrentDisplay();
  if (egl_display == EGL_NO_DISPLAY) {
    g_warning("Failed to create EGL image: Failed to get current EGL display");
    return EGL_NO_IMAGE_KHR;
  }
 
  EGLContext egl_context = eglGetCurrentContext();
  if (egl_context == EGL_NO_CONTEXT) {
    g_warning("Failed to create EGL image: Failed to get current EGL context");
    return EGL_NO_IMAGE_KHR;
  }
 
  return eglCreateImageKHR(
      egl_display, egl_context, EGL_GL_TEXTURE_2D,
      reinterpret_cast<EGLClientBuffer>(static_cast<intptr_t>(texture_id)),
      nullptr);
}

References texture_id.

Referenced by fl_egl_image_new().

fl_egl_image_class_init()

static void fl_egl_image_class_init ( FlEGLImageClass *  klass )

static

Definition at line 53 of file fl_egl_image.cc.

                                                            {
  G_OBJECT_CLASS(klass)->dispose = fl_egl_image_dispose;
}

References fl_egl_image_dispose().

fl_egl_image_dispose()

static void fl_egl_image_dispose ( GObject *  object )

static

Definition at line 37 of file fl_egl_image.cc.

                                                  {
  FlEGLImage* self = FL_EGL_IMAGE(object);
 
  if (self->image != EGL_NO_IMAGE_KHR) {
    EGLDisplay egl_display = eglGetCurrentDisplay();
    if (egl_display == EGL_NO_DISPLAY) {
      g_warning(
          "Failed to destroy EGL image: Failed to get current EGL display");
    } else {
      eglDestroyImageKHR(egl_display, self->image);
    }
  }
 
  G_OBJECT_CLASS(fl_egl_image_parent_class)->dispose(object);
}

Referenced by fl_egl_image_class_init().

fl_egl_image_get_image()

EGLImage fl_egl_image_get_image

(

FlEGLImage *

image

)

fl_egl_image_get_image: an #FlEGLImage.

Gets the EGL image managed by this object.

Returns: the EGL image.

Definition at line 68 of file fl_egl_image.cc.

                                                   {
  g_return_val_if_fail(FL_IS_EGL_IMAGE(image), EGL_NO_IMAGE_KHR);
  return image->image;
}

Referenced by fl_framebuffer_create_sibling(), and TEST().

fl_egl_image_init()

static void fl_egl_image_init ( FlEGLImage *  self )

static

Definition at line 57 of file fl_egl_image.cc.

{}

fl_egl_image_new()

FlEGLImage* fl_egl_image_new

(

GLuint

texture

)

fl_egl_image_new: @texture: the texture to create an EGL image for.

Creates an object that manages an EGL image.

Returns: a new #FlEGLImage.

Definition at line 59 of file fl_egl_image.cc.

                                             {
  FlEGLImage* self =
      FL_EGL_IMAGE(g_object_new(fl_egl_image_get_type(), nullptr));
 
  self->image = create_egl_image(texture);
 
  return self;
}

References create_egl_image().

Referenced by fl_framebuffer_new(), and TEST().