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115 lines
4.3 KiB
ReStructuredText
115 lines
4.3 KiB
ReStructuredText
===============
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Graphics
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===============
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Use the Graphics tab to change how games look when they are played.
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**To change settings globally:**
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From the Launcher, select **Global Options**. The Global Options menu opens on the **Graphics** tab.
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**To change settings for a specific game:**
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From the Launcher, highlight the game in the games list, and select the **Game Options** button. If the Launcher is in grid view, select the game and then select the gear icon in the popup window. Select the **Graphics** tab.
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For a comprehensive look at how to use these settings, check out our :doc:`../advanced_topics/understand_graphics` guide.
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.. figure:: ../images/settings/graphics.png
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The Graphics tab in the Global Options menu
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All settings can also be changed in the :doc:`../advanced_topics/configuration_file`. The configuration key is listed in italics after each setting description.
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,,,,,,,
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.. _gfxmode:
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Graphics mode
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Changes the graphics backend used to render the ScummVM window on the screen. Different graphics modes have different options available (such as scalers and stretch modes).
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*gfx_mode*
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.. _render:
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Render mode
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Changes how the game is rendered. This is only applicable to certain games which were released on multiple systems, and will reproduce what the game looked like on that system.
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*render_mode*
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.. _stretchmode:
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Stretch mode
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Changes the way the game is displayed in relation to the window or screen size.
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*stretch_mode*
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.. _scalers:
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Scaler
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Changes the resolution of the game, while also selecting which filter is used to scale up the resolution. For example, a 2x scaler will take a 320x200 resolution game and scale it up to 640x400.
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*scaler* and *scale_factor*
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Shaders
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Similar to render mode, but applicable to all games, shaders are graphics filters that change the way a game looks. Select the **Shader** button, select a shader from the list and then select **Choose**. Alternatively, select **Pick file instead...** to browse your computer for shaders to use. ScummVM only accepts GLSL files in the .glslp format.
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.. figure:: ../images/settings/shader_picker.png
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The shader picker
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Once back in the Graphics tab, select **Apply** to apply the chosen shader. A test pattern pops up to preview the chosen shader, along with a confirmation dialog. Choose **Yes** to keep the new shader, or **No** to revert to previous settings. ScummVM reverts to the previous setting in 10 seconds if no action is taken; this is a safety feature.
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.. figure:: ../images/settings/test_pattern.png
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The shader test pattern
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Update Shaders
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Click on the Update Shaders button to download new or updated shaders. ScummVM will scan to find applicable shader packs; once these have been found, click on the **Download** button in the pop up window to start the download. Click the **Hide** button to close the window and continue the download in the background. Use the **Cancel download** button to cancel the download. Select **Clear Cache** to delete downloaded shaders.
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The shader packs can also be downloaded manually from https://downloads.scummvm.org/frs/icons/ and must be placed in the :ref:`Icon Path <iconspath>`.
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.. _ratio:
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Aspect ratio correction
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If ticked, corrects the aspect ratio so that games appear the same as they would on original 320x200 resolution displays.
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*aspect_ratio*
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.. _fullscreen:
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Fullscreen mode
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If ticked, games are played using the entire screen, instead of a window. The actual appearance is defined by the other graphics settings.
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*fullscreen*
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.. _filtering:
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Filter graphics
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If ticked, uses bilinear interpolation instead of nearest neighbor resampling for the aspect ratio correction and stretch mode. It does not affect the graphics mode.
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*filtering*
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.. _vsync:
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V-Sync in 3D games
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If ticked, synchronizes the frame rate of a game with the monitor's refresh rate to prevent screen tearing.
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*vsync*
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.. _renderer:
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Game 3D renderer
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Changes how a 3D game is rendered. This setting has no effect on 2D games.
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- OpenGL: renders on hardware (uses the GPU)
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- OpenGL with shaders: renders on hardware with shader support
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- Software: renders on software (uses the CPU).
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*renderer*
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.. _antialiasing:
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3D Anti-aliasing
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Changes the anti-aliasing method. The number refers to how many samples are taken per pixel; 8x takes 8 samples per pixel and is the most accurate, but is also the most processor-intensive option.
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*antialiasing*
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