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Explicitly set buffer to 24-bit color + 8-bit alpha

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As wxGLCanvas does not set this for us now, even when WX_GL_RGBA is specified

Fix wangqr/Aegisub#55
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wangqr 2020-06-29 23:37:37 -04:00
parent 5f326cc873
commit 2b827decd0
1 changed files with 5 additions and 0 deletions
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5
src/video_display.cpp
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@ -66,7 +66,12 @@
#endif
/// Attribute list for gl canvases; set the canvases to doublebuffered rgba with an 8 bit stencil buffer
#if wxCHECK_VERSION (3, 1, 1)
// Explicitly set buffer to 24-bit color + 8-bit alpha. See https://github.com/wangqr/Aegisub/issues/55
int attribList[] = { WX_GL_RGBA , WX_GL_DOUBLEBUFFER, WX_GL_STENCIL_SIZE, 8, WX_GL_BUFFER_SIZE, 24, WX_GL_MIN_ALPHA, 8, 0 };
#else
int attribList[] = { WX_GL_RGBA , WX_GL_DOUBLEBUFFER, WX_GL_STENCIL_SIZE, 8, 0 };
#endif
/// An OpenGL error occurred while uploading or displaying a frame
class OpenGlException final : public agi::Exception {