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Side by Side Diff: ppapi/c/dev/ppb_graphics_3d_trusted_dev.h

Issue 7737013: Move PPAPI graphics3d and opengles interfaces out of Dev. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 3 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef PPAPI_C_DEV_PPB_GRAPHICS_3D_TRUSTED_DEV_H_
6 #define PPAPI_C_DEV_PPB_GRAPHICS_3D_TRUSTED_DEV_H_
7
8 #include "ppapi/c/pp_bool.h"
9 #include "ppapi/c/pp_instance.h"
10 #include "ppapi/c/pp_resource.h"
11 #include "ppapi/c/pp_stdint.h"
12
13 #define PPB_GRAPHICS_3D_TRUSTED_DEV_INTERFACE_0_1 \
14 "PPB_Graphics3DTrusted(Dev);0.1"
15 #define PPB_GRAPHICS_3D_TRUSTED_DEV_INTERFACE \
16 PPB_GRAPHICS_3D_TRUSTED_DEV_INTERFACE_0_1
17
18 typedef enum {
19 PPB_GRAPHICS3D_TRUSTED_ERROR_OK,
20 PPB_GRAPHICS3D_TRUSTED_ERROR_GENERICERROR,
21 PPB_GRAPHICS3D_TRUSTED_ERROR_INVALIDARGUMENTS,
22 PPB_GRAPHICS3D_TRUSTED_ERROR_INVALIDSIZE,
23 PPB_GRAPHICS3D_TRUSTED_ERROR_LOSTCONTEXT,
24 PPB_GRAPHICS3D_TRUSTED_ERROR_OUTOFBOUNDS,
25 PPB_GRAPHICS3D_TRUSTED_ERROR_UNKNOWNCOMMAND
26 } PPB_Graphics3DTrustedError;
27
28 struct PP_Graphics3DTrustedState {
29 // Size of the command buffer in command buffer entries.
30 int32_t num_entries;
31
32 // The offset (in entries) from which the reader is reading.
33 int32_t get_offset;
34
35 // The offset (in entries) at which the writer is writing.
36 int32_t put_offset;
37
38 // The current token value. This is used by the writer to defer
39 // changes to shared memory objects until the reader has reached a certain
40 // point in the command buffer. The reader is responsible for updating the
41 // token value, for example in response to an asynchronous set token command
42 // embedded in the command buffer. The default token value is zero.
43 int32_t token;
44
45 // Error status.
46 PPB_Graphics3DTrustedError error;
47
48 // Generation index of this state. The generation index is incremented every
49 // time a new state is retrieved from the command processor, so that
50 // consistency can be kept even if IPC messages are processed out-of-order.
51 uint32_t generation;
52 };
53
54 struct PPB_Graphics3DTrusted_Dev {
55 // Creates a raw Graphics3D resource. A raw Graphics3D is intended to be used
56 // with the trusted interface, through the command buffer (for proxying).
57 PP_Resource (*CreateRaw)(PP_Instance instance_id,
58 PP_Resource share_context,
59 const int32_t* attrib_list);
60
61 // Initializes the command buffer with the given size.
62 PP_Bool (*InitCommandBuffer)(PP_Resource context_id, int32_t size);
63
64 // Gets the ring buffer for the command buffer.
65 PP_Bool (*GetRingBuffer)(PP_Resource context_id,
66 int* shm_handle,
67 uint32_t* shm_size);
68
69 // Returns the current state.
70 struct PP_Graphics3DTrustedState (*GetState)(PP_Resource context);
71
72 // Create a transfer buffer and return a handle that uniquely
73 // identifies it or -1 on error.
74 int32_t (*CreateTransferBuffer)(PP_Resource context, uint32_t size);
75
76 // Destroy a transfer buffer and recycle the handle.
77 PP_Bool (*DestroyTransferBuffer)(PP_Resource context, int32_t id);
78
79 // Get the transfer buffer associated with a handle.
80 PP_Bool (*GetTransferBuffer)(PP_Resource context,
81 int32_t id,
82 int* shm_handle,
83 uint32_t* shm_size);
84
85 // The writer calls this to update its put offset.
86 PP_Bool (*Flush)(PP_Resource context, int32_t put_offset);
87
88 // The writer calls this to update its put offset. This function returns the
89 // reader's most recent get offset. Does not return until after the put offset
90 // change callback has been invoked.
91 struct PP_Graphics3DTrustedState (*FlushSync)(PP_Resource context,
92 int32_t put_offset);
93
94 // Like FlushSync, but returns before processing commands if the get offset is
95 // different than last_known_get. Allows synchronization with the command
96 // processor without forcing immediate command execution.
97 struct PP_Graphics3DTrustedState (*FlushSyncFast)(PP_Resource context,
98 int32_t put_offset,
99 int32_t last_known_get);
100 };
101
102 #endif // PPAPI_C_DEV_PPB_GRAPHICS_3D_TRUSTED_DEV_H_
103
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