28                  uint8_t dst, uint8_t src, uint8_t alpha) {  in test()  argument
29     const uint8_t golden = blend_double_round(dst, src, alpha);  in test()
30     const uint8_t  blend =          algorithm(dst, src, alpha);  in test()
33                  dst, src, alpha, blend, golden, maxDiff);  in test()
39 static void test_alpha(skiatest::Reporter* r, uint8_t alpha, int maxDiff, Blend algorithm) {  in test_alpha()  argument
42     for (unsigned src = 0; src <= alpha; src++) {  in test_alpha()
44             test(r, maxDiff, algorithm, dst, src, alpha);  in test_alpha()
53     for (unsigned alpha = 0; alpha < 256; alpha++) {  in test_dst()  local
54         for (unsigned src = 0; src <= alpha; src++) {  in test_dst()
55             test(r, maxDiff, algorithm, dst, src, alpha);  in test_dst()
124     const uint8_t alpha = 0x00;  in DEF_TEST()  local
127     test_alpha(r, alpha, 0, blend_256_round);  in DEF_TEST()
128     test_alpha(r, alpha, 0, blend_256_round_alt);  in DEF_TEST()
129     test_alpha(r, alpha, 0, blend_256_trunc);  in DEF_TEST()
130     test_alpha(r, alpha, 0, blend_double_trunc);  in DEF_TEST()
131     test_alpha(r, alpha, 0, blend_float_round);  in DEF_TEST()
132     test_alpha(r, alpha, 0, blend_float_trunc);  in DEF_TEST()
133     test_alpha(r, alpha, 0, blend_perfect);  in DEF_TEST()
136     test_alpha(r, alpha, 1, blend_255_round);  in DEF_TEST()
137     test_alpha(r, alpha, 1, blend_255_trunc);  in DEF_TEST()
138     test_alpha(r, alpha, 1, blend_256_plus1_round);  in DEF_TEST()
139     test_alpha(r, alpha, 1, blend_256_plus1_trunc);  in DEF_TEST()
164     const uint8_t alpha = 0xFF;  in DEF_TEST()  local
167     test_alpha(r, alpha, 0, blend_255_round);  in DEF_TEST()
168     test_alpha(r, alpha, 0, blend_255_trunc);  in DEF_TEST()
169     test_alpha(r, alpha, 0, blend_256_plus1_round);  in DEF_TEST()
170     test_alpha(r, alpha, 0, blend_256_plus1_trunc);  in DEF_TEST()
171     test_alpha(r, alpha, 0, blend_256_round);  in DEF_TEST()
172     test_alpha(r, alpha, 0, blend_256_round_alt);  in DEF_TEST()
173     test_alpha(r, alpha, 0, blend_256_trunc);  in DEF_TEST()
174     test_alpha(r, alpha, 0, blend_double_trunc);  in DEF_TEST()
175     test_alpha(r, alpha, 0, blend_float_round);  in DEF_TEST()
176     test_alpha(r, alpha, 0, blend_float_trunc);  in DEF_TEST()
177     test_alpha(r, alpha, 0, blend_perfect);  in DEF_TEST()
204     for (unsigned alpha = 0; alpha < 256; alpha++) {  in DEF_TEST()  local
206         test_alpha(r, alpha, 0, blend_float_round);  in DEF_TEST()
207         test_alpha(r, alpha, 0, blend_perfect);  in DEF_TEST()
210         test_alpha(r, alpha, 1, blend_255_round);  in DEF_TEST()
211         test_alpha(r, alpha, 1, blend_256_plus1_round);  in DEF_TEST()
212         test_alpha(r, alpha, 1, blend_256_round);  in DEF_TEST()
213         test_alpha(r, alpha, 1, blend_256_round_alt);  in DEF_TEST()
214         test_alpha(r, alpha, 1, blend_256_trunc);  in DEF_TEST()
215         test_alpha(r, alpha, 1, blend_double_trunc);  in DEF_TEST()
216         test_alpha(r, alpha, 1, blend_float_trunc);  in DEF_TEST()
219         test_alpha(r, alpha, 2, blend_255_trunc);  in DEF_TEST()
220         test_alpha(r, alpha, 2, blend_256_plus1_trunc);  in DEF_TEST()