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| Rev | Author | Line No. | Line |
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| 5564 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2011 Marek Olšák |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | /* |
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| 29 | * Authors: |
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| 30 | * Marek Olšák |
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| 31 | */ |
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| 32 | |||
| 33 | #include "main/glheader.h" |
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| 34 | #include "main/macros.h" |
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| 35 | #include "pipe/p_context.h" |
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| 36 | #include "pipe/p_screen.h" |
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| 37 | #include "st_context.h" |
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| 38 | #include "st_cb_syncobj.h" |
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| 39 | |||
| 40 | struct st_sync_object { |
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| 41 | struct gl_sync_object b; |
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| 42 | |||
| 43 | struct pipe_fence_handle *fence; |
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| 44 | }; |
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| 45 | |||
| 46 | |||
| 47 | static struct gl_sync_object * st_new_sync_object(struct gl_context *ctx, |
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| 48 | GLenum type) |
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| 49 | { |
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| 50 | if (type == GL_SYNC_FENCE) |
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| 51 | return (struct gl_sync_object*)CALLOC_STRUCT(st_sync_object); |
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| 52 | else |
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| 53 | return NULL; |
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| 54 | } |
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| 55 | |||
| 56 | static void st_delete_sync_object(struct gl_context *ctx, |
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| 57 | struct gl_sync_object *obj) |
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| 58 | { |
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| 59 | struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
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| 60 | struct st_sync_object *so = (struct st_sync_object*)obj; |
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| 61 | |||
| 62 | screen->fence_reference(screen, &so->fence, NULL); |
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| 63 | free(so->b.Label); |
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| 64 | free(so); |
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| 65 | } |
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| 66 | |||
| 67 | static void st_fence_sync(struct gl_context *ctx, struct gl_sync_object *obj, |
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| 68 | GLenum condition, GLbitfield flags) |
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| 69 | { |
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| 70 | struct pipe_context *pipe = st_context(ctx)->pipe; |
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| 71 | struct st_sync_object *so = (struct st_sync_object*)obj; |
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| 72 | |||
| 73 | assert(condition == GL_SYNC_GPU_COMMANDS_COMPLETE && flags == 0); |
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| 74 | assert(so->fence == NULL); |
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| 75 | |||
| 76 | pipe->flush(pipe, &so->fence, 0); |
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| 77 | } |
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| 78 | |||
| 79 | static void st_check_sync(struct gl_context *ctx, struct gl_sync_object *obj) |
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| 80 | { |
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| 81 | struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
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| 82 | struct st_sync_object *so = (struct st_sync_object*)obj; |
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| 83 | |||
| 84 | if (so->fence && screen->fence_signalled(screen, so->fence)) { |
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| 85 | screen->fence_reference(screen, &so->fence, NULL); |
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| 86 | so->b.StatusFlag = GL_TRUE; |
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| 87 | } |
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| 88 | } |
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| 89 | |||
| 90 | static void st_client_wait_sync(struct gl_context *ctx, |
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| 91 | struct gl_sync_object *obj, |
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| 92 | GLbitfield flags, GLuint64 timeout) |
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| 93 | { |
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| 94 | struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
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| 95 | struct st_sync_object *so = (struct st_sync_object*)obj; |
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| 96 | |||
| 97 | /* We don't care about GL_SYNC_FLUSH_COMMANDS_BIT, because flush is |
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| 98 | * already called when creating a fence. */ |
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| 99 | |||
| 100 | if (so->fence && |
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| 101 | screen->fence_finish(screen, so->fence, timeout)) { |
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| 102 | screen->fence_reference(screen, &so->fence, NULL); |
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| 103 | so->b.StatusFlag = GL_TRUE; |
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| 104 | } |
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| 105 | } |
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| 106 | |||
| 107 | static void st_server_wait_sync(struct gl_context *ctx, |
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| 108 | struct gl_sync_object *obj, |
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| 109 | GLbitfield flags, GLuint64 timeout) |
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| 110 | { |
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| 111 | /* NO-OP. |
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| 112 | * Neither Gallium nor DRM interfaces support blocking on the GPU. */ |
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| 113 | } |
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| 114 | |||
| 115 | void st_init_syncobj_functions(struct dd_function_table *functions) |
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| 116 | { |
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| 117 | functions->NewSyncObject = st_new_sync_object; |
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| 118 | functions->FenceSync = st_fence_sync; |
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| 119 | functions->DeleteSyncObject = st_delete_sync_object; |
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| 120 | functions->CheckSync = st_check_sync; |
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| 121 | functions->ClientWaitSync = st_client_wait_sync; |
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| 122 | functions->ServerWaitSync = st_server_wait_sync; |
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| 123 | } |