# lv_opengles_window.h (/api/drivers/opengles/lv_opengles_window_h)



<ApiSummary functions="9" />

Functions [#functions]

<ApiTabs items="[&#x22;Setters (3)&#x22;,&#x22;Getters (2)&#x22;,&#x22;Other (4)&#x22;]">
  <ApiTab value="Setters (3)">
    <ApiMember kind="function" name="lv_opengles_window_texture_set_x" file="drivers/opengles/lv_opengles_window.h" line="66" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L66">
      lv_opengles_window_texture_set_x [#lv_opengles_window_texture_set_x]

      Set the x position of a texture within its OpenGL window

      ```c title=" " lineNumbers=1
      void lv_opengles_window_texture_set_x(lv_opengles_window_texture_t *texture, int32_t x)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name      | Type                                                                                     | Description                        |
      | --------- | ---------------------------------------------------------------------------------------- | ---------------------------------- |
      | `texture` | <ApiLink name="lv_opengles_window_texture_t" display="lv_opengles_window_texture_t *" /> | handle of an OpenGL window texture |
      | `x`       | <ApiLink name="int32_t" />                                                               | new x position of the texture      |
    </ApiMember>

    <ApiMember kind="function" name="lv_opengles_window_texture_set_y" file="drivers/opengles/lv_opengles_window.h" line="73" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L73">
      lv_opengles_window_texture_set_y [#lv_opengles_window_texture_set_y]

      Set the y position of a texture within its OpenGL window

      ```c title=" " lineNumbers=1
      void lv_opengles_window_texture_set_y(lv_opengles_window_texture_t *texture, int32_t y)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name      | Type                                                                                     | Description                        |
      | --------- | ---------------------------------------------------------------------------------------- | ---------------------------------- |
      | `texture` | <ApiLink name="lv_opengles_window_texture_t" display="lv_opengles_window_texture_t *" /> | handle of an OpenGL window texture |
      | `y`       | <ApiLink name="int32_t" />                                                               | new y position of the texture      |
    </ApiMember>

    <ApiMember kind="function" name="lv_opengles_window_texture_set_opa" file="drivers/opengles/lv_opengles_window.h" line="80" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L80">
      lv_opengles_window_texture_set_opa [#lv_opengles_window_texture_set_opa]

      Set the opacity of a texture in an OpenGL window

      ```c title=" " lineNumbers=1
      void lv_opengles_window_texture_set_opa(lv_opengles_window_texture_t *texture, lv_opa_t opa)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name      | Type                                                                                     | Description                        |
      | --------- | ---------------------------------------------------------------------------------------- | ---------------------------------- |
      | `texture` | <ApiLink name="lv_opengles_window_texture_t" display="lv_opengles_window_texture_t *" /> | handle of an OpenGL window texture |
      | `opa`     | <ApiLink name="lv_opa_t" />                                                              | new opacity of the texture         |
    </ApiMember>
  </ApiTab>

  <ApiTab value="Getters (2)">
    <ApiMember kind="function" name="lv_opengles_window_display_get_window_texture" file="drivers/opengles/lv_opengles_window.h" line="53" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L53">
      lv_opengles_window_display_get_window_texture [#lv_opengles_window_display_get_window_texture]

      ```c title=" " lineNumbers=1
      lv_opengles_window_texture_t * lv_opengles_window_display_get_window_texture(lv_display_t *window_display)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name             | Type                                                     |
      | ---------------- | -------------------------------------------------------- |
      | `window_display` | <ApiLink name="lv_display_t" display="lv_display_t *" /> |
    </ApiMember>

    <ApiMember kind="function" name="lv_opengles_window_texture_get_mouse_indev" file="drivers/opengles/lv_opengles_window.h" line="90" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L90">
      lv_opengles_window_texture_get_mouse_indev [#lv_opengles_window_texture_get_mouse_indev]

      Get the mouse indev associated with a texture in an OpenGL window, if it exists

      ```c title=" " lineNumbers=1
      lv_indev_t * lv_opengles_window_texture_get_mouse_indev(lv_opengles_window_texture_t *texture)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name      | Type                                                                                     | Description                        |
      | --------- | ---------------------------------------------------------------------------------------- | ---------------------------------- |
      | `texture` | <ApiLink name="lv_opengles_window_texture_t" display="lv_opengles_window_texture_t *" /> | handle of an OpenGL window texture |

      **Returns:** <ApiLink name="lv_indev_t" display="lv_indev_t *" /> — the indev or `NULL`

      <Callout type="info">
        there will only be an indev if the texture is based on an LVGL display texture and the window was created with `use_mouse_indev` as `true`
      </Callout>
    </ApiMember>
  </ApiTab>

  <ApiTab value="Other (4)">
    <ApiMember kind="function" name="lv_opengles_window_delete" file="drivers/opengles/lv_opengles_window.h" line="38" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L38">
      lv_opengles_window_delete [#lv_opengles_window_delete]

      Delete an OpenGL window. If it is the last one, the process will exit

      ```c title=" " lineNumbers=1
      void lv_opengles_window_delete(lv_opengles_window_t *window)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name     | Type                                                                     | Description             |
      | -------- | ------------------------------------------------------------------------ | ----------------------- |
      | `window` | <ApiLink name="lv_opengles_window_t" display="lv_opengles_window_t *" /> | OpenGL window to delete |
    </ApiMember>

    <ApiMember kind="function" name="lv_opengles_window_add_texture" file="drivers/opengles/lv_opengles_window.h" line="48" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L48">
      lv_opengles_window_add_texture [#lv_opengles_window_add_texture]

      Add a texture to the OpenGL window. It can be an LVGL display texture, or any OpenGL texture

      ```c title=" " lineNumbers=1
      lv_opengles_window_texture_t * lv_opengles_window_add_texture(lv_opengles_window_t *window, unsigned int texture_id, int32_t w, int32_t h)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name         | Type                                                                     | Description                     |
      | ------------ | ------------------------------------------------------------------------ | ------------------------------- |
      | `window`     | <ApiLink name="lv_opengles_window_t" display="lv_opengles_window_t *" /> | OpenGL window                   |
      | `texture_id` | `unsigned int`                                                           | OpenGL texture ID               |
      | `w`          | <ApiLink name="int32_t" />                                               | width in pixels of the texture  |
      | `h`          | <ApiLink name="int32_t" />                                               | height in pixels of the texture |

      **Returns:** <ApiLink name="lv_opengles_window_texture_t" display="lv_opengles_window_texture_t *" /> — the new texture handle
    </ApiMember>

    <ApiMember kind="function" name="lv_opengles_window_display_create" file="drivers/opengles/lv_opengles_window.h" line="51" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L51">
      lv_opengles_window_display_create [#lv_opengles_window_display_create]

      ```c title=" " lineNumbers=1
      lv_display_t * lv_opengles_window_display_create(lv_opengles_window_t *window, int32_t w, int32_t h)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name     | Type                                                                     |
      | -------- | ------------------------------------------------------------------------ |
      | `window` | <ApiLink name="lv_opengles_window_t" display="lv_opengles_window_t *" /> |
      | `w`      | <ApiLink name="int32_t" />                                               |
      | `h`      | <ApiLink name="int32_t" />                                               |
    </ApiMember>

    <ApiMember kind="function" name="lv_opengles_window_texture_remove" file="drivers/opengles/lv_opengles_window.h" line="59" url="https://github.com/lvgl/lvgl/tree/a7b95c5b0839ce901c09c205610bc2c77cc3345d/src/drivers/opengles/lv_opengles_window.h#L59">
      lv_opengles_window_texture_remove [#lv_opengles_window_texture_remove]

      Remove a texture from its OpenGL window and delete it

      ```c title=" " lineNumbers=1
      void lv_opengles_window_texture_remove(lv_opengles_window_texture_t *texture)
      ```

      <span className="sr-only">
        Parameters
      </span>

      | Name      | Type                                                                                     | Description                        |
      | --------- | ---------------------------------------------------------------------------------------- | ---------------------------------- |
      | `texture` | <ApiLink name="lv_opengles_window_texture_t" display="lv_opengles_window_texture_t *" /> | handle of an OpenGL window texture |
    </ApiMember>
  </ApiTab>
</ApiTabs>

Dependencies [#dependencies]

<FileIncludes includes="[&#x22;lv_conf_internal.h&#x22;, &#x22;lv_types.h&#x22;]" includedBy="[&#x22;lv_drivers.h&#x22;]" transitiveIncludes="[&#x22;lv_conf_kconfig.h&#x22;]" />