| 1 | /**
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| 2 | * DMX utility functions.
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| 3 | */
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| 4 |
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| 5 | #ifndef CR_DMX_H
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| 6 | #define CR_DMX_H
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| 7 |
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| 8 | #include <X11/Xlib.h>
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| 9 | #include <X11/extensions/dmxext.h>
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| 10 |
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| 11 | #include "cr_spu.h"
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| 12 | #include "state/cr_statetypes.h"
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| 13 |
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| 14 |
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| 15 | typedef struct {
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| 16 | GLXDrawable xwin; /**< backend server's X window */
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| 17 | GLXDrawable xsubwin; /**< child of xwin, clipped to screen bounds */
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| 18 | Display *dpy; /**< DMX back-end server display */
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| 19 | CRrecti visrect; /**< visible rect, in front-end screen coords */
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| 20 | } CRDMXBackendWindowInfo;
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| 21 |
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| 22 |
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| 23 | #ifdef __cplusplus
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| 24 | extern "C" {
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| 25 | #endif
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| 26 |
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| 27 |
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| 28 | extern int
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| 29 | crDMXSupported(Display *dpy);
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| 30 |
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| 31 | extern CRDMXBackendWindowInfo *
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| 32 | crDMXAllocBackendWindowInfo(unsigned int numBackendWindows);
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| 33 |
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| 34 | extern void
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| 35 | crDMXFreeBackendWindowInfo(unsigned int numBackendWindows,
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| 36 | CRDMXBackendWindowInfo *backendWindows);
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| 37 |
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| 38 | /* Given the DMX front-end display "dpy" and window "xwin", update the
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| 39 | * backend window information in "backendWindows". If new subwindows are
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| 40 | * needed, and an OpenGL interface pointer is provided, use that interface
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| 41 | * and the subwindowVisBits to create new subwindows.
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| 42 | */
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| 43 | extern GLboolean
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| 44 | crDMXGetBackendWindowInfo(Display *dpy, GLXDrawable xwin,
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| 45 | unsigned int numBackendWindows,
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| 46 | CRDMXBackendWindowInfo *backendWindows,
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| 47 | const crOpenGLInterface *openGlInterface,
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| 48 | GLint subwindowVisBits);
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| 49 |
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| 50 |
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| 51 | #ifdef __cplusplus
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| 52 | }
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| 53 | #endif
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| 54 |
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| 55 | #endif /* CR_DLM_H */
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