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39 
40 #ifndef QEGLSTREAMCONVENIENCE_H
41 #define QEGLSTREAMCONVENIENCE_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <qglobal.h>
55 #include <QtEglSupport/private/qt_egl_p.h>
56 
57 // This provides runtime EGLDevice/Output/Stream support even when eglext.h in
58 // the sysroot is not up-to-date.
59 
60 #ifndef EGL_VERSION_1_5
61 typedef intptr_t EGLAttrib;
62 #endif
63 
64 #ifndef EGL_EXT_platform_base
65 typedef EGLDisplay (EGLAPIENTRYP PFNEGLGETPLATFORMDISPLAYEXTPROC) (EGLenum platform, void *native_display, const EGLint *attrib_list);
66 #endif
67 
68 #ifndef EGL_EXT_device_base
69 typedef void *EGLDeviceEXT;
70 #define EGL_NO_DEVICE_EXT                 ((EGLDeviceEXT)(0))
71 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDEVICESEXTPROC) (EGLint max_devices, EGLDeviceEXT *devices, EGLint *num_devices);
72 typedef const char *(EGLAPIENTRYP PFNEGLQUERYDEVICESTRINGEXTPROC) (EGLDeviceEXT device, EGLint name);
73 #endif
74 
75 #ifndef EGL_EXT_output_base
76 typedef void *EGLOutputLayerEXT;
77 typedef void *EGLOutputPortEXT;
78 #define EGL_NO_OUTPUT_LAYER_EXT           ((EGLOutputLayerEXT)0)
79 typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETOUTPUTLAYERSEXTPROC) (EGLDisplay dpy, const EGLAttrib *attrib_list, EGLOutputLayerEXT *layers, EGLint max_layers, EGLint *num_layers);
80 typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETOUTPUTPORTSEXTPROC) (EGLDisplay dpy, const EGLAttrib *attrib_list, EGLOutputPortEXT *ports, EGLint max_ports, EGLint *num_ports);
81 typedef EGLBoolean (EGLAPIENTRYP PFNEGLOUTPUTLAYERATTRIBEXTPROC) (EGLDisplay dpy, EGLOutputLayerEXT layer, EGLint attribute, EGLAttrib value);
82 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYOUTPUTLAYERATTRIBEXTPROC) (EGLDisplay dpy, EGLOutputLayerEXT layer, EGLint attribute, EGLAttrib *value);
83 typedef const char *(EGLAPIENTRYP PFNEGLQUERYOUTPUTLAYERSTRINGEXTPROC) (EGLDisplay dpy, EGLOutputLayerEXT layer, EGLint name);
84 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYOUTPUTPORTATTRIBEXTPROC) (EGLDisplay dpy, EGLOutputPortEXT port, EGLint attribute, EGLAttrib *value);
85 typedef const char *(EGLAPIENTRYP PFNEGLQUERYOUTPUTPORTSTRINGEXTPROC) (EGLDisplay dpy, EGLOutputPortEXT port, EGLint name);
86 #endif
87 
88 #ifndef EGL_KHR_stream
89 typedef void *EGLStreamKHR;
90 typedef quint64 EGLuint64KHR;
91 #define EGL_NO_STREAM_KHR                 ((EGLStreamKHR)0)
92 #define EGL_STREAM_STATE_KHR              0x3214
93 #define EGL_STREAM_STATE_CREATED_KHR      0x3215
94 #define EGL_STREAM_STATE_CONNECTING_KHR   0x3216
95 #define EGL_STREAM_STATE_EMPTY_KHR        0x3217
96 #define EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR 0x3218
97 #define EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR 0x3219
98 #define EGL_STREAM_STATE_DISCONNECTED_KHR 0x321A
99 #define EGL_BAD_STREAM_KHR                0x321B
100 #define EGL_BAD_STATE_KHR                 0x321C
101 typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMKHRPROC) (EGLDisplay dpy, const EGLint *attrib_list);
102 typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSTREAMKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream);
103 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMATTRIBKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint value);
104 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint *value);
105 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMU64KHRPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLuint64KHR *value);
106 #endif
107 
108 #ifndef EGL_KHR_stream_fifo
109 #define EGL_STREAM_FIFO_LENGTH_KHR        0x31FC
110 #endif
111 
112 #ifndef EGL_KHR_stream_producer_eglsurface
113 #define EGL_STREAM_BIT_KHR                0x0800
114 typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC) (EGLDisplay dpy, EGLConfig config, EGLStreamKHR stream, const EGLint *attrib_list);
115 #endif
116 
117 #ifndef EGL_KHR_stream_cross_process_fd
118 typedef int EGLNativeFileDescriptorKHR;
119 #define EGL_NO_FILE_DESCRIPTOR_KHR        ((EGLNativeFileDescriptorKHR)(-1))
120 typedef EGLNativeFileDescriptorKHR (EGLAPIENTRYP PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream);
121 typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC) (EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor);
122 #endif
123 
124 #ifndef EGL_KHR_stream_consumer_gltexture
125 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream);
126 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERACQUIREKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream);
127 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERRELEASEKHRPROC) (EGLDisplay dpy, EGLStreamKHR stream);
128 #endif
129 
130 #ifndef EGL_EXT_stream_consumer_egloutput
131 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMEROUTPUTEXTPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLOutputLayerEXT layer);
132 #endif
133 
134 #ifndef EGL_EXT_platform_device
135 #define EGL_PLATFORM_DEVICE_EXT           0x313F
136 #endif
137 
138 #ifndef EGL_EXT_device_drm
139 #define EGL_DRM_DEVICE_FILE_EXT           0x3233
140 #endif
141 
142 #ifndef EGL_EXT_output_drm
143 #define EGL_DRM_CRTC_EXT                  0x3234
144 #define EGL_DRM_PLANE_EXT                 0x3235
145 #endif
146 
147 #ifndef EGL_PLATFORM_X11_KHR
148 #define EGL_PLATFORM_X11_KHR              0x31D5
149 #endif
150 
151 #ifndef EGL_NV_stream_attrib
152 typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMATTRIBNVPROC) (EGLDisplay dpy, const EGLAttrib *attrib_list);
153 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSETSTREAMATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLAttrib value);
154 typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLAttrib *value);
155 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERACQUIREATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list);
156 typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERRELEASEATTRIBNVPROC) (EGLDisplay dpy, EGLStreamKHR stream, const EGLAttrib *attrib_list);
157 #endif
158 
159 QT_BEGIN_NAMESPACE
160 
161 class QEGLStreamConvenience
162 {
163 public:
164     QEGLStreamConvenience();
165     void initialize(EGLDisplay dpy);
166 
167     PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display;
168     PFNEGLQUERYDEVICESEXTPROC query_devices;
169     PFNEGLQUERYDEVICESTRINGEXTPROC query_device_string;
170     PFNEGLCREATESTREAMKHRPROC create_stream;
171     PFNEGLCREATESTREAMATTRIBNVPROC create_stream_attrib_nv;
172     PFNEGLSETSTREAMATTRIBNVPROC set_stream_attrib_nv;
173     PFNEGLQUERYSTREAMATTRIBNVPROC query_stream_attrib_nv;
174     PFNEGLSTREAMCONSUMERACQUIREATTRIBNVPROC acquire_stream_attrib_nv;
175     PFNEGLSTREAMCONSUMERRELEASEATTRIBNVPROC release_stream_attrib_nv;
176     PFNEGLDESTROYSTREAMKHRPROC destroy_stream;
177     PFNEGLSTREAMATTRIBKHRPROC stream_attrib;
178     PFNEGLQUERYSTREAMKHRPROC query_stream;
179     PFNEGLQUERYSTREAMU64KHRPROC query_stream_u64;
180     PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC create_stream_producer_surface;
181     PFNEGLSTREAMCONSUMEROUTPUTEXTPROC stream_consumer_output;
182     PFNEGLGETOUTPUTLAYERSEXTPROC get_output_layers;
183     PFNEGLGETOUTPUTPORTSEXTPROC get_output_ports;
184     PFNEGLOUTPUTLAYERATTRIBEXTPROC output_layer_attrib;
185     PFNEGLQUERYOUTPUTLAYERATTRIBEXTPROC query_output_layer_attrib;
186     PFNEGLQUERYOUTPUTLAYERSTRINGEXTPROC query_output_layer_string;
187     PFNEGLQUERYOUTPUTPORTATTRIBEXTPROC query_output_port_attrib;
188     PFNEGLQUERYOUTPUTPORTSTRINGEXTPROC query_output_port_string;
189     PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC get_stream_file_descriptor;
190     PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC create_stream_from_file_descriptor;
191     PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC stream_consumer_gltexture;
192     PFNEGLSTREAMCONSUMERACQUIREKHRPROC stream_consumer_acquire;
193     PFNEGLSTREAMCONSUMERRELEASEKHRPROC stream_consumer_release;
194 
195     bool initialized;
196 
197     bool has_egl_platform_device;
198     bool has_egl_device_base;
199     bool has_egl_stream;
200     bool has_egl_stream_producer_eglsurface;
201     bool has_egl_stream_consumer_egloutput;
202     bool has_egl_output_drm;
203     bool has_egl_output_base;
204     bool has_egl_stream_cross_process_fd;
205     bool has_egl_stream_consumer_gltexture;
206 };
207 
208 QT_END_NAMESPACE
209 
210 #endif
211