swizzle */
| 44 | |
| 45 | /* swizzle */ |
| 46 | bv_variable Swizzle(bv_program* prog, bv_object* obj, const bv_string field) |
| 47 | { |
| 48 | const char* rgba = "rgba\0"; |
| 49 | const char* xyzw = "xyzw\0"; |
| 50 | const char* stpq = "stpq\0"; |
| 51 | |
| 52 | char name[4][2] = { 0 }; |
| 53 | for (int j = 0; j < strlen(field); j++) |
| 54 | for (int i = 0; i < 4; i++) { |
| 55 | if (field[j] == rgba[i]) |
| 56 | name[j][0] = xyzw[i]; |
| 57 | else if (field[j] == stpq[i]) |
| 58 | name[j][0] = xyzw[i]; |
| 59 | else if (field[j] == xyzw[i]) |
| 60 | name[j][0] = xyzw[i]; |
| 61 | } |
| 62 | |
| 63 | // printf("[DEBUG] swizzle: %s\n", field); |
| 64 | |
| 65 | if (strlen(field) == 1) |
| 66 | return bv_variable_create_pointer(bv_object_get_property(obj, name[0])); |
| 67 | else if (strlen(field) == 2) { |
| 68 | bv_variable ret = Common::create_vec(prog, obj->prop[0].type, 2); |
| 69 | bv_object* vec = bv_variable_get_object(ret); |
| 70 | bv_object_set_property(vec, "x", bv_variable_create_pointer(bv_object_get_property(obj, name[0]))); |
| 71 | bv_object_set_property(vec, "y", bv_variable_create_pointer(bv_object_get_property(obj, name[1]))); |
| 72 | return ret; |
| 73 | } |
| 74 | else if (strlen(field) == 3) { |
| 75 | bv_variable ret = Common::create_vec(prog, obj->prop[0].type, 3); |
| 76 | bv_object* vec = bv_variable_get_object(ret); |
| 77 | bv_object_set_property(vec, "x", bv_variable_create_pointer(bv_object_get_property(obj, name[0]))); |
| 78 | bv_object_set_property(vec, "y", bv_variable_create_pointer(bv_object_get_property(obj, name[1]))); |
| 79 | bv_object_set_property(vec, "z", bv_variable_create_pointer(bv_object_get_property(obj, name[2]))); |
| 80 | return ret; |
| 81 | } |
| 82 | else if (strlen(field) == 4) { |
| 83 | bv_variable ret = Common::create_vec(prog, obj->prop[0].type, 4); |
| 84 | bv_object* vec = bv_variable_get_object(ret); |
| 85 | bv_object_set_property(vec, "x", bv_variable_create_pointer(bv_object_get_property(obj, name[0]))); |
| 86 | bv_object_set_property(vec, "y", bv_variable_create_pointer(bv_object_get_property(obj, name[1]))); |
| 87 | bv_object_set_property(vec, "z", bv_variable_create_pointer(bv_object_get_property(obj, name[2]))); |
| 88 | bv_object_set_property(vec, "w", bv_variable_create_pointer(bv_object_get_property(obj, name[3]))); |
| 89 | return ret; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | /* noise */ |
| 94 | static FastNoise lib_glsl_noiseGenerator; // I know... this takes least time, i'll have to reimplement noise functions anyway |
nothing calls this directly
no test coverage detected