GL_NV_draw_vulkan_image https://www.khronos.org/registry/OpenGL/extensions/NV/NV_draw_vulkan_image.txt GL_NV_draw_vulkan_image void glDrawVkImageNV (GLuint64 vkImage, GLuint sampler, GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1, GLfloat z, GLfloat s0, GLfloat t0, GLfloat s1, GLfloat t1) GLVULKANPROCNV glGetVkProcAddrNV (const GLchar* name) void glSignalVkFenceNV (GLuint64 vkFence) void glSignalVkSemaphoreNV (GLuint64 vkSemaphore) void glWaitVkSemaphoreNV (GLuint64 vkSemaphore) typedef void (APIENTRY *GLVULKANPROCNV)(void)