| … | |
… | |
| 56 | |
56 | |
| 57 | ++tc_generation; |
57 | ++tc_generation; |
| 58 | } |
58 | } |
| 59 | |
59 | |
| 60 | void |
60 | void |
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61 | tex_backup (tc_texture *tex) |
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62 | { |
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63 | tex->saved = g_slice_alloc (TC_WIDTH * TC_HEIGHT); |
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64 | |
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65 | glBindTexture (GL_TEXTURE_2D, tex->name); |
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66 | glGetTexImage (GL_TEXTURE_2D, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tex->saved); |
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67 | } |
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68 | |
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69 | void |
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70 | tex_restore (tc_texture *tex) |
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71 | { |
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72 | glBindTexture (GL_TEXTURE_2D, tex->name); |
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73 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
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74 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
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75 | glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, TC_WIDTH, TC_HEIGHT, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tex->saved); |
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76 | |
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77 | g_slice_free1 (TC_WIDTH * TC_HEIGHT, tex->saved); |
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78 | tex->saved = 0; |
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79 | } |
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80 | |
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81 | void |
| 61 | tc_backup (void) |
82 | tc_backup (void) |
| 62 | { |
83 | { |
| 63 | tc_texture *tex = first_texture; |
84 | tc_texture *tex; |
| 64 | while (tex) |
85 | |
| 65 | { |
86 | for (tex = first_texture; tex; tex = tex->next) |
| 66 | tex->saved = g_slice_alloc (TC_WIDTH * TC_HEIGHT); |
87 | tex_backup (tex); |
| 67 | |
|
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| 68 | glBindTexture (GL_TEXTURE_2D, tex->name); |
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| 69 | glGetTexImage (GL_TEXTURE_2D, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tex->saved); |
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| 70 | |
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| 71 | tex = tex->next; |
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| 72 | } |
|
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| 73 | } |
88 | } |
| 74 | |
89 | |
| 75 | void |
90 | void |
| 76 | tc_restore (void) |
91 | tc_restore (void) |
| 77 | { |
92 | { |
| 78 | tc_texture *tex = first_texture; |
93 | tc_texture *tex; |
| 79 | |
94 | |
| 80 | while (tex) |
95 | for (tex = first_texture; tex; tex = tex->next) |
| 81 | { |
96 | tex_restore (tex); |
| 82 | glBindTexture (GL_TEXTURE_2D, tex->name); |
|
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| 83 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
|
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| 84 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
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| 85 | glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, TC_WIDTH, TC_HEIGHT, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tex->saved); |
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| 86 | |
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| 87 | g_slice_free1 (TC_WIDTH * TC_HEIGHT, tex->saved); |
|
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| 88 | tex->saved = 0; |
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| 89 | |
|
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| 90 | tex = tex->next; |
|
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| 91 | } |
|
|
| 92 | } |
97 | } |
| 93 | |
98 | |
| 94 | void |
99 | void |
| 95 | tc_get (tc_area *area, int width, int height) |
100 | tc_get (tc_area *area, int width, int height) |
| 96 | { |
101 | { |
