See header for documentation */
| 108 | |
| 109 | /* See header for documentation */ |
| 110 | void compute_error_metrics( |
| 111 | bool compute_hdr_metrics, |
| 112 | bool compute_normal_metrics, |
| 113 | int input_components, |
| 114 | const astcenc_image* img1, |
| 115 | const astcenc_image* img2, |
| 116 | int fstop_lo, |
| 117 | int fstop_hi |
| 118 | ) { |
| 119 | static const int componentmasks[5] { 0x00, 0x07, 0x0C, 0x07, 0x0F }; |
| 120 | int componentmask = componentmasks[input_components]; |
| 121 | |
| 122 | error_accum4 errorsum; |
| 123 | error_accum4 alpha_scaled_errorsum; |
| 124 | error_accum4 log_errorsum; |
| 125 | error_accum4 mpsnr_errorsum; |
| 126 | double mean_angular_errorsum = 0.0; |
| 127 | double worst_angular_errorsum = 0.0; |
| 128 | |
| 129 | unsigned int dim_x = astc::min(img1->dim_x, img2->dim_x); |
| 130 | unsigned int dim_y = astc::min(img1->dim_y, img2->dim_y); |
| 131 | unsigned int dim_z = astc::min(img1->dim_z, img2->dim_z); |
| 132 | |
| 133 | if (img1->dim_x != img2->dim_x || |
| 134 | img1->dim_y != img2->dim_y || |
| 135 | img1->dim_z != img2->dim_z) |
| 136 | { |
| 137 | printf("WARNING: Only intersection of images will be compared:\n" |
| 138 | " Image 1: %ux%ux%u\n" |
| 139 | " Image 2: %ux%ux%u\n", |
| 140 | img1->dim_x, img1->dim_y, img1->dim_z, |
| 141 | img2->dim_x, img2->dim_y, img2->dim_z); |
| 142 | } |
| 143 | |
| 144 | double rgb_peak = 0.0; |
| 145 | unsigned int xsize1 = img1->dim_x; |
| 146 | unsigned int xsize2 = img2->dim_x; |
| 147 | |
| 148 | for (unsigned int z = 0; z < dim_z; z++) |
| 149 | { |
| 150 | for (unsigned int y = 0; y < dim_y; y++) |
| 151 | { |
| 152 | for (unsigned int x = 0; x < dim_x; x++) |
| 153 | { |
| 154 | vfloat4 color1; |
| 155 | vfloat4 color2; |
| 156 | |
| 157 | if (img1->data_type == ASTCENC_TYPE_U8) |
| 158 | { |
| 159 | uint8_t* data8 = static_cast<uint8_t*>(img1->data[z]); |
| 160 | |
| 161 | color1 = vfloat4( |
| 162 | data8[(4 * xsize1 * y) + (4 * x )], |
| 163 | data8[(4 * xsize1 * y) + (4 * x + 1)], |
| 164 | data8[(4 * xsize1 * y) + (4 * x + 2)], |
| 165 | data8[(4 * xsize1 * y) + (4 * x + 3)]); |
| 166 | |
| 167 | color1 = color1 / 255.0f; |
no test coverage detected