void JXMesaCamera::CloseMesa() { XMesaDestroyBuffer(itsXMBuffer); XMesaDestroyContext(itsXMContext); XMesaDestroyVisual(itsXMVisual); }
/** * For GLX_EXT_texture_from_pixmap */ XMesaBuffer XMesaCreatePixmapTextureBuffer(XMesaVisual v, XMesaPixmap p, XMesaColormap cmap, int format, int target, int mipmap) { GET_CURRENT_CONTEXT(ctx); XMesaBuffer b; GLuint width, height; assert(v); b = create_xmesa_buffer((XMesaDrawable) p, PIXMAP, v, cmap); if (!b) return NULL; /* get pixmap size, update framebuffer/renderbuffer dims */ xmesa_get_window_size(v->display, b, &width, &height); _mesa_resize_framebuffer(NULL, &(b->mesa_buffer), width, height); if (target == 0) { /* examine dims */ if (ctx->Extensions.ARB_texture_non_power_of_two) { target = GLX_TEXTURE_2D_EXT; } else if ( _mesa_bitcount(width) == 1 && _mesa_bitcount(height) == 1) { /* power of two size */ if (height == 1) { target = GLX_TEXTURE_1D_EXT; } else { target = GLX_TEXTURE_2D_EXT; } } else if (ctx->Extensions.NV_texture_rectangle) { target = GLX_TEXTURE_RECTANGLE_EXT; } else { /* non power of two textures not supported */ XMesaDestroyBuffer(b); return 0; } } b->TextureTarget = target; b->TextureFormat = format; b->TextureMipmap = mipmap; if (!initialize_visual_and_buffer(v, b, (XMesaDrawable) p, cmap)) { xmesa_free_buffer(b); return NULL; } return b; }
/* * Look for XMesaBuffers whose X window has been destroyed. * Deallocate any such XMesaBuffers. */ void XMesaGarbageCollect( XMesaDisplay* dpy ) { XMesaBuffer b, next; for (b=XMesaBufferList; b; b=next) { next = b->Next; if (b->display && b->display == dpy && b->frontxrb->drawable && b->type == WINDOW) { XSync(b->display, False); if (!window_exists( b->display, b->frontxrb->drawable )) { /* found a dead window, free the ancillary info */ XMesaDestroyBuffer( b ); } } } }