Gnash  0.8.11dev
RawFBDevice.h
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19 
20 #ifndef __RAWFB_DEVICE_H__
21 #define __RAWFB_DEVICE_H__ 1
22 
23 #ifdef HAVE_CONFIG_H
24 #include "gnashconfig.h"
25 #endif
26 
27 #include <boost/scoped_array.hpp>
28 #include <boost/scoped_ptr.hpp>
29 #include <fcntl.h>
30 #include <sys/ioctl.h>
31 #include <sys/mman.h>
32 #include <linux/fb.h>
33 #include <linux/kd.h>
34 #include <linux/vt.h>
35 
36 #include "GnashDevice.h"
37 
38 namespace gnash {
39 
40 namespace renderer {
41 
42 namespace rawfb {
43 
44 #define CMAP_SIZE (256*2)
45 
47 {
48  public:
49 
50  RawFBDevice();
51  RawFBDevice(int);
52  RawFBDevice(int argc, char *argv[]);
53 
54  // virtual classes should have virtual destructors
55  virtual ~RawFBDevice();
56 
57  dtype_t getType() { return RAWFB; };
58 
59  // Initialize RAWFB Device layer
60  bool initDevice(int argc, char *argv[]);
61 
62  // Initialize RAWFB Window layer
63  bool attachWindow(GnashDevice::native_window_t window);
64 
65  // Utility methods not in the base class
66 
67  // Return a string with the error code as text, instead of a numeric value
68  const char *getErrorString(int error);
69 
70  int getDepth() { return _varinfo.bits_per_pixel; };
71 
72  // Accessors for the settings needed by higher level code.
73  // Surface accessors
74  size_t getWidth() { return _varinfo.xres; };
75  size_t getHeight() { return _varinfo.yres; };
76 
77  bool supportsRenderer(GnashDevice::rtype_t /* rtype */) { return false; }
78 
79  bool isBufferDestroyed() { return false; }
80  // bool isBufferDestroyed(IRAWFBSurface surface) {
81  // return false;
82  // }
83  int getID() { return 0; };
84 
85  // Get the size of the pixels
86  int getRedSize() { return _varinfo.red.length; };
87  int getGreenSize() { return _varinfo.green.length; };
88  int getBlueSize() { return _varinfo.blue.length; };
89 
90 #ifdef RENDERER_AGG
91 
92 
93  int getRedOffset() { return _varinfo.red.offset; };
94  int getGreenOffset() { return _varinfo.green.offset; };
95  int getBlueOffset() { return _varinfo.blue.offset; };
96 #endif
97 
98  // Using RAWFB always means a native renderer
99  bool isNativeRender() { return true; }
100 
102 
103  //
104  // Testing Support
105  //
106 
107  // Create an RAWFB window to render in. This is only used by testing
108  void createWindow(const char *name, int x, int y, int width, int height);
109 
110  // Get the memory from the real framebuffer
111  boost::uint8_t *getFBMemory() { return _fbmem; };
112 
113  // // Get the memory from an offscreen buffer to support Double Buffering
114  boost::uint8_t *getOffscreenBuffer() { return _offscreen_buffer.get(); };
115 
116  size_t getStride() { return _fixinfo.line_length; };
117  size_t getFBMemSize() { return _fixinfo.smem_len; };
118  int getHandle() { return _fd; };
119 
126  void eventLoop(size_t passes);
127 
130  bool setGrayscaleLUT8();
131 
133 #ifdef ENABLE_DOUBLE_BUFFERING
134  return false;
135 #else
136  return true;
137 #endif
138  }
139 
140  bool swapBuffers();
141 
142 protected:
144  void clear();
145 
146  int _fd;
147  std::string _filespec;
148  struct fb_fix_screeninfo _fixinfo;
149  struct fb_var_screeninfo _varinfo;
150  boost::uint8_t *_fbmem;
151 
152  boost::scoped_ptr<boost::uint8_t> _offscreen_buffer;
153  struct fb_cmap _cmap; // the colormap
154 };
155 
156 #ifdef ENABLE_FAKE_FRAMEBUFFER
157 
158 
159 
160 int fakefb_ioctl(int fd, int request, void *data);
161 #endif
162 
163 typedef void (*init_func)();
164 typedef void (*reshape_func)(int, int);
165 typedef void (*draw_func)();
166 typedef int (*key_func)(unsigned key);
167 
168 } // namespace rawFB
169 } // namespace renderer
170 } // namespace gnash
171 
172 #endif // end of __RAWFB_DEVICE_H__
173 
174 // local Variables:
175 // mode: C++
176 // indent-tabs-mode: nil
177 // End: