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| 9 | int x, y, w, h; |
9 | int x, y, w, h; |
| 10 | } tc_area; |
10 | } tc_area; |
| 11 | |
11 | |
| 12 | extern int tc_generation; |
12 | extern int tc_generation; |
| 13 | |
13 | |
| 14 | void tc_get (tc_area *area, int width, int height); |
14 | static void tc_get (tc_area *area, int width, int height); |
| 15 | void tc_put (tc_area *area); |
15 | static void tc_put (tc_area *area); |
| 16 | void tc_clear (); |
16 | static void tc_clear (void); |
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17 | static void tc_backup (void); |
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18 | static void tc_restore (void); |
| 17 | |
19 | |
| 18 | ///////////////////////////////////////////////////////////////////////////// |
20 | ///////////////////////////////////////////////////////////////////////////// |
| 19 | |
21 | |
| 20 | #include <glib.h> |
22 | #include <glib.h> |
| 21 | |
23 | |
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| 54 | |
56 | |
| 55 | ++tc_generation; |
57 | ++tc_generation; |
| 56 | } |
58 | } |
| 57 | |
59 | |
| 58 | 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 |
| 59 | tc_backup (void) |
82 | tc_backup (void) |
| 60 | { |
83 | { |
| 61 | tc_texture *tex = first_texture; |
84 | tc_texture *tex; |
| 62 | while (tex) |
85 | |
| 63 | { |
86 | for (tex = first_texture; tex; tex = tex->next) |
| 64 | tex->saved = g_slice_alloc (TC_WIDTH * TC_HEIGHT); |
87 | tex_backup (tex); |
| 65 | |
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| 66 | glBindTexture (GL_TEXTURE_2D, tex->name); |
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| 67 | glGetTexImage (GL_TEXTURE_2D, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tex->saved); |
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| 68 | |
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| 69 | tex = tex->next; |
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| 70 | } |
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| 71 | } |
88 | } |
| 72 | |
89 | |
| 73 | void |
90 | void |
| 74 | tc_restore (void) |
91 | tc_restore (void) |
| 75 | { |
92 | { |
| 76 | tc_texture *tex = first_texture; |
93 | tc_texture *tex; |
| 77 | |
94 | |
| 78 | while (tex) |
95 | for (tex = first_texture; tex; tex = tex->next) |
| 79 | { |
96 | tex_restore (tex); |
| 80 | glBindTexture (GL_TEXTURE_2D, tex->name); |
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| 81 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
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| 82 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
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| 83 | glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, TC_WIDTH, TC_HEIGHT, 0, GL_ALPHA, GL_UNSIGNED_BYTE, tex->saved); |
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| 84 | |
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| 85 | g_slice_free1 (TC_WIDTH * TC_HEIGHT, tex->saved); |
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| 86 | tex->saved = 0; |
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| 87 | |
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| 88 | tex = tex->next; |
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| 89 | } |
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| 90 | } |
97 | } |
| 91 | |
98 | |
| 92 | void |
99 | void |
| 93 | tc_get (tc_area *area, int width, int height) |
100 | tc_get (tc_area *area, int width, int height) |
| 94 | { |
101 | { |
