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annotate DPF-Prymula-audioplugins/dpf/dgl/src/pugl-extra/haiku_gl.cpp @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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3
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1 // Copyright 2012-2022 David Robillard <d@drobilla.net>
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2 // Copyright 2021-2022 Filipe Coelho <falktx@falktx.com>
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3 // SPDX-License-Identifier: ISC
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4
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5 #include "../pugl-upstream/src/stub.h"
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6 #include "haiku.h"
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7
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8 #include "pugl/pugl.h"
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9
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12
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13 #include <GL/gl.h>
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14 #include <opengl/GLView.h>
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15
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16 typedef struct {
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17 BGLView* view;
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18 } PuglHaikuGlSurface;
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19
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20 static PuglStatus
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21 puglHaikuGlConfigure(PuglView* view)
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22 {
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23 PuglInternals* const impl = view->impl;
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24
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25 PuglHaikuGlSurface* const surface =
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26 (PuglHaikuGlSurface*)calloc(1, sizeof(PuglHaikuGlSurface));
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27 impl->surface = surface;
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28
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29 return PUGL_SUCCESS;
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30 }
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31
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32 PUGL_WARN_UNUSED_RESULT
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33 static PuglStatus
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34 puglHaikuGlEnter(PuglView* const view, const PuglExposeEvent* PUGL_UNUSED(expose))
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35 {
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36 PuglHaikuGlSurface* const surface = (PuglHaikuGlSurface*)view->impl->surface;
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37 if (!surface || !surface->view) {
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38 return PUGL_FAILURE;
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39 }
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40
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41 surface->view->LockGL();
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42 return PUGL_SUCCESS;
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43 }
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44
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45 PUGL_WARN_UNUSED_RESULT
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46 static PuglStatus
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47 puglHaikuGlLeave(PuglView* const view, const PuglExposeEvent* const expose)
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48 {
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49 PuglHaikuGlSurface* const surface = (PuglHaikuGlSurface*)view->impl->surface;
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50 if (!surface || !surface->view) {
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51 return PUGL_FAILURE;
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52 }
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53
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54 if (expose)
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55 surface->view->SwapBuffers();
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56
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57 surface->view->UnlockGL();
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58 return PUGL_SUCCESS;
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59 }
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60
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61 static PuglStatus
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62 puglHaikuGlCreate(PuglView* view)
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63 {
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64 return PUGL_SUCCESS;
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65 }
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66
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67 static void
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68 puglHaikuGlDestroy(PuglView* view)
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69 {
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70 PuglHaikuGlSurface* surface = (PuglHaikuGlSurface*)view->impl->surface;
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71 if (surface) {
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72 free(surface);
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73 view->impl->surface = NULL;
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74 }
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75 }
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76
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77 const PuglBackend*
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78 puglGlBackend(void)
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79 {
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80 static const PuglBackend backend = {puglHaikuGlConfigure,
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81 puglHaikuGlCreate,
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82 puglHaikuGlDestroy,
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83 puglHaikuGlEnter,
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84 puglHaikuGlLeave,
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85 puglStubGetContext};
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86 return &backend;
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87 }