Merge pull request #107345 from BastiaanOlij/fix_opengl_mobile_vr

Fix final blit in OpenGL when stereo rendering is used

Author: akien-mga

drivers/gles3/rasterizer_gles3.cpp

@@ -436,7 +436,13 @@ void RasterizerGLES3::_blit_render_target_to_screen(RID p_render_target, Display
 	glViewport(int(MIN(p1.x, p2.x)), int(MIN(p1.y, p2.y)), Math::abs(size.x), Math::abs(size.y));
 
 	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_2D, rt->color);
+	GLenum target = rt->view_count > 1 ? GL_TEXTURE_2D_ARRAY : GL_TEXTURE_2D;
+	glBindTexture(target, rt->color);
+	glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	glDisable(GL_CULL_FACE);
+
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_ONE, GL_ZERO);