| /********************************************************** |
| * Copyright 2009-2015 VMware, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| **********************************************************/ |
| |
| |
| #include "svga_cmd.h" |
| #include "util/u_debug.h" |
| #include "util/u_memory.h" |
| |
| #include "vmw_shader.h" |
| #include "vmw_screen.h" |
| |
| void |
| vmw_svga_winsys_shader_reference(struct vmw_svga_winsys_shader **pdst, |
| struct vmw_svga_winsys_shader *src) |
| { |
| struct pipe_reference *src_ref; |
| struct pipe_reference *dst_ref; |
| struct vmw_svga_winsys_shader *dst; |
| |
| if(pdst == NULL || *pdst == src) |
| return; |
| |
| dst = *pdst; |
| |
| src_ref = src ? &src->refcnt : NULL; |
| dst_ref = dst ? &dst->refcnt : NULL; |
| |
| if (pipe_reference(dst_ref, src_ref)) { |
| struct svga_winsys_screen *sws = &dst->screen->base; |
| |
| if (!sws->have_vgpu10) |
| vmw_ioctl_shader_destroy(dst->screen, dst->shid); |
| #ifdef DEBUG |
| /* to detect dangling pointers */ |
| assert(p_atomic_read(&dst->validated) == 0); |
| dst->shid = SVGA3D_INVALID_ID; |
| #endif |
| sws->buffer_destroy(sws, dst->buf); |
| FREE(dst); |
| } |
| |
| *pdst = src; |
| } |