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3770 | Serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright (C) 2011 Red Hat Inc. |
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4 | * |
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5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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6 | * copy of this software and associated documentation files (the "Software"), |
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7 | * to deal in the Software without restriction, including without limitation |
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8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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9 | * and/or sell copies of the Software, and to permit persons to whom the |
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10 | * Software is furnished to do so, subject to the following conditions: |
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11 | * |
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12 | * The above copyright notice and this permission notice shall be included |
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13 | * in all copies or substantial portions of the Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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16 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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21 | * OTHER DEALINGS IN THE SOFTWARE. |
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22 | * |
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23 | **************************************************************************/ |
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24 | |||
25 | #include |
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26 | #include "u_math.h" |
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27 | #include "u_format.h" |
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28 | #include "u_format_rgtc.h" |
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29 | #include "u_format_latc.h" |
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30 | |||
31 | static void u_format_unsigned_encode_rgtc_ubyte(uint8_t *blkaddr, uint8_t srccolors[4][4], |
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32 | int numxpixels, int numypixels); |
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33 | |||
34 | static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata, |
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35 | unsigned i, unsigned j, uint8_t *value, unsigned comps); |
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36 | |||
37 | static void u_format_signed_encode_rgtc_ubyte(int8_t *blkaddr, int8_t srccolors[4][4], |
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38 | int numxpixels, int numypixels); |
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39 | |||
40 | static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata, |
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41 | unsigned i, unsigned j, int8_t *value, unsigned comps); |
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42 | |||
43 | void |
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44 | util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
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45 | { |
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46 | /* Fix warnings here: */ |
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47 | (void) u_format_unsigned_encode_rgtc_ubyte; |
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48 | (void) u_format_signed_encode_rgtc_ubyte; |
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49 | |||
50 | u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1); |
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51 | dst[1] = dst[0]; |
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52 | dst[2] = dst[0]; |
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53 | dst[3] = 255; |
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54 | } |
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55 | |||
56 | void |
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57 | util_format_latc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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58 | { |
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59 | util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); |
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60 | } |
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61 | |||
62 | void |
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63 | util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, |
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64 | unsigned src_stride, unsigned width, unsigned height) |
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65 | { |
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66 | util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); |
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67 | } |
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68 | |||
69 | void |
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70 | util_format_latc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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71 | { |
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72 | unsigned x, y, i, j; |
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73 | int block_size = 8; |
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74 | |||
75 | for(y = 0; y < height; y += 4) { |
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76 | const uint8_t *src = src_row; |
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77 | for(x = 0; x < width; x += 4) { |
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78 | for(j = 0; j < 4; ++j) { |
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79 | for(i = 0; i < 4; ++i) { |
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80 | float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; |
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81 | uint8_t tmp_r; |
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82 | u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); |
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83 | dst[0] = |
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84 | dst[1] = |
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85 | dst[2] = ubyte_to_float(tmp_r); |
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86 | dst[3] = 1.0; |
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87 | } |
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88 | } |
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89 | src += block_size; |
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90 | } |
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91 | src_row += src_stride; |
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92 | } |
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93 | } |
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94 | |||
95 | void |
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96 | util_format_latc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) |
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97 | { |
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98 | util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); |
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99 | } |
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100 | |||
101 | void |
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102 | util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) |
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103 | { |
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104 | uint8_t tmp_r; |
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105 | |||
106 | u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); |
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107 | dst[0] = |
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108 | dst[1] = |
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109 | dst[2] = ubyte_to_float(tmp_r); |
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110 | dst[3] = 1.0; |
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111 | } |
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112 | |||
113 | void |
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114 | util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
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115 | { |
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116 | fprintf(stderr,"%s\n", __func__); |
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117 | } |
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118 | |||
119 | void |
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120 | util_format_latc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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121 | { |
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122 | fprintf(stderr,"%s\n", __func__); |
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123 | } |
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124 | |||
125 | void |
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126 | util_format_latc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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127 | { |
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128 | fprintf(stderr,"%s\n", __func__); |
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129 | } |
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130 | |||
131 | void |
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132 | util_format_latc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) |
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133 | { |
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134 | util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); |
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135 | } |
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136 | |||
137 | void |
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138 | util_format_latc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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139 | { |
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140 | unsigned x, y, i, j; |
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141 | int block_size = 8; |
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142 | |||
143 | for(y = 0; y < height; y += 4) { |
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144 | const int8_t *src = (int8_t *)src_row; |
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145 | for(x = 0; x < width; x += 4) { |
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146 | for(j = 0; j < 4; ++j) { |
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147 | for(i = 0; i < 4; ++i) { |
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148 | float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; |
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149 | int8_t tmp_r; |
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150 | u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); |
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151 | dst[0] = |
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152 | dst[1] = |
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153 | dst[2] = byte_to_float_tex(tmp_r); |
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154 | dst[3] = 1.0; |
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155 | } |
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156 | } |
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157 | src += block_size; |
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158 | } |
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159 | src_row += src_stride; |
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160 | } |
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161 | } |
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162 | |||
163 | void |
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164 | util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) |
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165 | { |
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166 | int8_t tmp_r; |
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167 | |||
168 | u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1); |
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169 | dst[0] = |
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170 | dst[1] = |
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171 | dst[2] = byte_to_float_tex(tmp_r); |
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172 | dst[3] = 1.0; |
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173 | } |
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174 | |||
175 | |||
176 | void |
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177 | util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
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178 | { |
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179 | u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2); |
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180 | dst[1] = dst[0]; |
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181 | dst[2] = dst[0]; |
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182 | u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 3, 2); |
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183 | } |
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184 | |||
185 | void |
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186 | util_format_latc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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187 | { |
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188 | util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); |
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189 | } |
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190 | |||
191 | void |
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192 | util_format_latc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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193 | { |
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194 | util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); |
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195 | } |
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196 | |||
197 | void |
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198 | util_format_latc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) |
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199 | { |
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200 | util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); |
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201 | } |
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202 | |||
203 | void |
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204 | util_format_latc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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205 | { |
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206 | unsigned x, y, i, j; |
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207 | int block_size = 16; |
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208 | |||
209 | for(y = 0; y < height; y += 4) { |
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210 | const uint8_t *src = src_row; |
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211 | for(x = 0; x < width; x += 4) { |
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212 | for(j = 0; j < 4; ++j) { |
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213 | for(i = 0; i < 4; ++i) { |
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214 | float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; |
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215 | uint8_t tmp_r, tmp_g; |
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216 | u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); |
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217 | u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); |
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218 | dst[0] = |
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219 | dst[1] = |
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220 | dst[2] = ubyte_to_float(tmp_r); |
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221 | dst[3] = ubyte_to_float(tmp_g); |
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222 | } |
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223 | } |
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224 | src += block_size; |
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225 | } |
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226 | src_row += src_stride; |
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227 | } |
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228 | } |
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229 | |||
230 | void |
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231 | util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) |
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232 | { |
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233 | uint8_t tmp_r, tmp_g; |
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234 | |||
235 | u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); |
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236 | u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); |
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237 | dst[0] = |
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238 | dst[1] = |
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239 | dst[2] = ubyte_to_float(tmp_r); |
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240 | dst[3] = ubyte_to_float(tmp_g); |
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241 | } |
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242 | |||
243 | |||
244 | void |
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245 | util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
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246 | { |
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247 | fprintf(stderr,"%s\n", __func__); |
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248 | } |
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249 | |||
250 | void |
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251 | util_format_latc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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252 | { |
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253 | fprintf(stderr,"%s\n", __func__); |
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254 | } |
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255 | |||
256 | void |
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257 | util_format_latc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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258 | { |
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259 | fprintf(stderr,"%s\n", __func__); |
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260 | } |
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261 | |||
262 | void |
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263 | util_format_latc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
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264 | { |
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265 | unsigned x, y, i, j; |
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266 | int block_size = 16; |
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267 | |||
268 | for(y = 0; y < height; y += 4) { |
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269 | const int8_t *src = (int8_t *)src_row; |
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270 | for(x = 0; x < width; x += 4) { |
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271 | for(j = 0; j < 4; ++j) { |
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272 | for(i = 0; i < 4; ++i) { |
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273 | float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; |
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274 | int8_t tmp_r, tmp_g; |
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275 | u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); |
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276 | u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); |
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277 | dst[0] = |
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278 | dst[1] = |
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279 | dst[2] = byte_to_float_tex(tmp_r); |
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280 | dst[3] = byte_to_float_tex(tmp_g); |
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281 | } |
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282 | } |
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283 | src += block_size; |
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284 | } |
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285 | src_row += src_stride; |
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286 | } |
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287 | } |
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288 | |||
289 | void |
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290 | util_format_latc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) |
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291 | { |
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292 | util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); |
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293 | } |
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294 | |||
295 | void |
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296 | util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) |
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297 | { |
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298 | int8_t tmp_r, tmp_g; |
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299 | |||
300 | u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2); |
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301 | u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2); |
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302 | dst[0] = |
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303 | dst[1] = |
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304 | dst[2] = byte_to_float_tex(tmp_r); |
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305 | dst[3] = byte_to_float_tex(tmp_g); |
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306 | } |
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307 | |||
308 | |||
309 | #define TAG(x) u_format_unsigned_##x |
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310 | #define TYPE uint8_t |
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311 | #define T_MIN 0 |
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312 | #define T_MAX 255 |
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313 | |||
314 | #include "texcompress_rgtc_tmp.h" |
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315 | |||
316 | #undef TYPE |
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317 | #undef TAG |
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318 | #undef T_MIN |
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319 | #undef T_MAX |
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320 | |||
321 | |||
322 | #define TAG(x) u_format_signed_##x |
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323 | #define TYPE int8_t |
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324 | #define T_MIN (int8_t)-128 |
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325 | #define T_MAX (int8_t)127 |
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326 | |||
327 | #include "texcompress_rgtc_tmp.h" |
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328 | |||
329 | #undef TYPE |
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330 | #undef TAG |
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331 | #undef T_MIN |
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332 | #undef T_MAX>>>>>>>>>>>>>>>> |