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1 /*
2  * Copyright 2009-2014, Haiku, Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Alexander von Gluck IV, kallisti5@unixzen.com
7  */
8 #ifndef HGL_CONTEXT_H
9 #define HGL_CONTEXT_H
10 
11 
12 #include "state_tracker/st_api.h"
13 #include "state_tracker/st_manager.h"
14 #include "pipe/p_compiler.h"
15 #include "pipe/p_screen.h"
16 #include "postprocess/filters.h"
17 #include "os/os_thread.h"
18 
19 #include "bitmap_wrapper.h"
20 
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 
27 #define CONTEXT_MAX 32
28 
29 typedef int64 context_id;
30 
31 
32 struct hgl_buffer
33 {
34 	struct st_framebuffer_iface *stfbi;
35 	struct st_visual* visual;
36 
37 	unsigned width;
38 	unsigned height;
39 	unsigned mask;
40 
41 	struct pipe_screen* screen;
42 	enum pipe_texture_target target;
43 	struct pipe_resource* textures[ST_ATTACHMENT_COUNT];
44 
45 	void *map;
46 
47 	//struct hgl_buffer *next;  /**< next in linked list */
48 };
49 
50 
51 struct hgl_context
52 {
53 	struct st_api* api;
54 		// State Tracker API
55 	struct st_manager* manager;
56 		// State Tracker Manager
57 	struct st_context_iface* st;
58 		// State Tracker Interface Object
59 	struct st_visual* stVisual;
60 		// State Tracker Visual
61 
62 	struct pipe_screen* screen;
63 
64 	//struct pipe_resource* textures[ST_ATTACHMENT_COUNT];
65 
66 	// Post processing
67 	struct pp_queue_t* postProcess;
68 	unsigned int postProcessEnable[PP_FILTERS];
69 
70 	// Desired viewport size
71 	unsigned width;
72 	unsigned height;
73 
74 	Bitmap* bitmap;
75 	color_space colorSpace;
76 
77 	mtx_t fbMutex;
78 
79 	struct hgl_buffer* draw;
80 	struct hgl_buffer* read;
81 };
82 
83 
84 // hgl state_tracker api
85 struct st_api* hgl_create_st_api(void);
86 
87 // hgl state_tracker framebuffer
88 struct hgl_buffer* hgl_create_st_framebuffer(struct hgl_context* context);
89 
90 // hgl state_tracker manager
91 struct st_manager* hgl_create_st_manager(struct hgl_context* screen);
92 void hgl_destroy_st_manager(struct st_manager *manager);
93 
94 // hgl state_tracker visual
95 struct st_visual* hgl_create_st_visual(ulong options);
96 void hgl_destroy_st_visual(struct st_visual* visual);
97 
98 
99 #ifdef __cplusplus
100 }
101 #endif
102 
103 #endif /* HGL_CONTEXT_H */
104