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Clear Window before blitting Viewport in gl_compatibility renderer

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This commit is contained in:
clayjohn 2023-02-14 10:30:02 -08:00
parent 8c7b98d452
commit 081b31d200
2 changed files with 10 additions and 5 deletions
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9
drivers/gles3/rasterizer_gles3.cpp
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@ -306,6 +306,15 @@ void RasterizerGLES3::_blit_render_target_to_screen(RID p_render_target, Display
glReadBuffer(GL_COLOR_ATTACHMENT0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, GLES3::TextureStorage::system_fbo);
if (p_screen_rect.position != Vector2()) {
// Viewport doesn't cover entire window so clear window to black before blitting.
Size2i win_size = DisplayServer::get_singleton()->window_get_size();
glViewport(0, 0, win_size.width, win_size.height);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
}
Vector2i screen_rect_end = p_screen_rect.get_end();
glBlitFramebuffer(0, 0, rt->size.x, rt->size.y,
p_screen_rect.position.x, flip_y ? screen_rect_end.y : p_screen_rect.position.y, screen_rect_end.x, flip_y ? p_screen_rect.position.y : screen_rect_end.y,