| 0,0 → 1,123 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2011 Marek Olšák <maraeo@gmail.com> |
| * 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, sub license, 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 (including the |
| * next paragraph) 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 NON-INFRINGEMENT. |
| * IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS 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. |
| * |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Marek Olšák <maraeo@gmail.com> |
| */ |
| |
| #include "main/glheader.h" |
| #include "main/macros.h" |
| #include "pipe/p_context.h" |
| #include "pipe/p_screen.h" |
| #include "st_context.h" |
| #include "st_cb_syncobj.h" |
| |
| struct st_sync_object { |
| struct gl_sync_object b; |
| |
| struct pipe_fence_handle *fence; |
| }; |
| |
| |
| static struct gl_sync_object * st_new_sync_object(struct gl_context *ctx, |
| GLenum type) |
| { |
| if (type == GL_SYNC_FENCE) |
| return (struct gl_sync_object*)CALLOC_STRUCT(st_sync_object); |
| else |
| return NULL; |
| } |
| |
| static void st_delete_sync_object(struct gl_context *ctx, |
| struct gl_sync_object *obj) |
| { |
| struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
| struct st_sync_object *so = (struct st_sync_object*)obj; |
| |
| screen->fence_reference(screen, &so->fence, NULL); |
| free(so->b.Label); |
| free(so); |
| } |
| |
| static void st_fence_sync(struct gl_context *ctx, struct gl_sync_object *obj, |
| GLenum condition, GLbitfield flags) |
| { |
| struct pipe_context *pipe = st_context(ctx)->pipe; |
| struct st_sync_object *so = (struct st_sync_object*)obj; |
| |
| assert(condition == GL_SYNC_GPU_COMMANDS_COMPLETE && flags == 0); |
| assert(so->fence == NULL); |
| |
| pipe->flush(pipe, &so->fence, 0); |
| } |
| |
| static void st_check_sync(struct gl_context *ctx, struct gl_sync_object *obj) |
| { |
| struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
| struct st_sync_object *so = (struct st_sync_object*)obj; |
| |
| if (so->fence && screen->fence_signalled(screen, so->fence)) { |
| screen->fence_reference(screen, &so->fence, NULL); |
| so->b.StatusFlag = GL_TRUE; |
| } |
| } |
| |
| static void st_client_wait_sync(struct gl_context *ctx, |
| struct gl_sync_object *obj, |
| GLbitfield flags, GLuint64 timeout) |
| { |
| struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
| struct st_sync_object *so = (struct st_sync_object*)obj; |
| |
| /* We don't care about GL_SYNC_FLUSH_COMMANDS_BIT, because flush is |
| * already called when creating a fence. */ |
| |
| if (so->fence && |
| screen->fence_finish(screen, so->fence, timeout)) { |
| screen->fence_reference(screen, &so->fence, NULL); |
| so->b.StatusFlag = GL_TRUE; |
| } |
| } |
| |
| static void st_server_wait_sync(struct gl_context *ctx, |
| struct gl_sync_object *obj, |
| GLbitfield flags, GLuint64 timeout) |
| { |
| /* NO-OP. |
| * Neither Gallium nor DRM interfaces support blocking on the GPU. */ |
| } |
| |
| void st_init_syncobj_functions(struct dd_function_table *functions) |
| { |
| functions->NewSyncObject = st_new_sync_object; |
| functions->FenceSync = st_fence_sync; |
| functions->DeleteSyncObject = st_delete_sync_object; |
| functions->CheckSync = st_check_sync; |
| functions->ClientWaitSync = st_client_wait_sync; |
| functions->ServerWaitSync = st_server_wait_sync; |
| } |