comparison: src/texture.c
src/texture.c
- changeset 117
- d1267f656a97
- parent 106
- 895f92cff6b8
- child 119
- 581c1735fb27
equal
deleted
inserted
replaced
| 116:bfb2a7d62047 | 117:d1267f656a97 |
|---|---|
| 160 textures[i] = tex[i].tex_id; | 160 textures[i] = tex[i].tex_id; |
| 161 memset(&tex[i], 0, sizeof(AscTexture)); | 161 memset(&tex[i], 0, sizeof(AscTexture)); |
| 162 } | 162 } |
| 163 glDeleteTextures(count, textures); | 163 glDeleteTextures(count, textures); |
| 164 } | 164 } |
| 165 | |
| 166 asc_vec2f asc_texture_calculate_uv_scale(const AscTexture *tex, asc_vec2u surface_dimension, asc_vec2f factors) { | |
| 167 if (surface_dimension.width == 0 || surface_dimension.height == 0) { | |
| 168 asc_wprintf("Tried to calculate UV scale for texture %u with zero dimensions.", tex->tex_id); | |
| 169 return factors; | |
| 170 } | |
| 171 asc_vec2f uv_scale = factors; | |
| 172 uv_scale.u *= (float) tex->width; | |
| 173 uv_scale.u /= (float) surface_dimension.width; | |
| 174 uv_scale.v *= (float) tex->height; | |
| 175 uv_scale.v /= (float) surface_dimension.height; | |
| 176 return uv_scale; | |
| 177 } |
