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1 /* | 1 /* |
2 * Copyright 2009, Google Inc. | 2 * Copyright 2009, Google Inc. |
3 * All rights reserved. | 3 * All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
7 * met: | 7 * met: |
8 * | 8 * |
9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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190 // texture formats, a block is 1x1 texels, but DXT* formats have 4x4 blocks. | 190 // texture formats, a block is 1x1 texels, but DXT* formats have 4x4 blocks. |
191 unsigned int GetBlockSizeX(Format format); | 191 unsigned int GetBlockSizeX(Format format); |
192 // Gets the y dimension of a texel block for a given texture format. For most | 192 // Gets the y dimension of a texel block for a given texture format. For most |
193 // texture formats, a block is 1x1 texels, but DXT* formats have 4x4 blocks. | 193 // texture formats, a block is 1x1 texels, but DXT* formats have 4x4 blocks. |
194 unsigned int GetBlockSizeY(Format format); | 194 unsigned int GetBlockSizeY(Format format); |
195 // Gets the dimension of a mipmap level given the dimension of the base | 195 // Gets the dimension of a mipmap level given the dimension of the base |
196 // level. Every mipmap level is half the size of the previous level, rounding | 196 // level. Every mipmap level is half the size of the previous level, rounding |
197 // down. | 197 // down. |
198 static unsigned int GetMipMapDimension(unsigned int base, | 198 static unsigned int GetMipMapDimension(unsigned int base, |
199 unsigned int level) { | 199 unsigned int level) { |
200 DCHECK_GT(base, 0); | 200 DCHECK_GT(base, 0U); |
201 return std::max(1U, base >> level); | 201 return std::max(1U, base >> level); |
202 } | 202 } |
203 } // namespace texture | 203 } // namespace texture |
204 | 204 |
205 namespace sampler { | 205 namespace sampler { |
206 enum AddressingMode { | 206 enum AddressingMode { |
207 WRAP, | 207 WRAP, |
208 MIRROR_REPEAT, | 208 MIRROR_REPEAT, |
209 CLAMP_TO_EDGE, | 209 CLAMP_TO_EDGE, |
210 CLAMP_TO_BORDER, | 210 CLAMP_TO_BORDER, |
211 NUM_ADDRESSING_MODE | 211 NUM_ADDRESSING_MODE |
212 }; | 212 }; |
213 | 213 |
214 enum FilteringMode { | 214 enum FilteringMode { |
215 NONE, | 215 NONE, |
216 POINT, | 216 POINT, |
217 LINEAR, | 217 LINEAR, |
218 NUM_FILTERING_MODE | 218 NUM_FILTERING_MODE |
219 }; | 219 }; |
220 } // namespace sampler | 220 } // namespace sampler |
221 | 221 |
222 } // namespace command_buffer | 222 } // namespace command_buffer |
223 } // namespace o3d | 223 } // namespace o3d |
224 | 224 |
225 #endif // O3D_COMMAND_BUFFER_COMMON_CROSS_RESOURCE_H_ | 225 #endif // O3D_COMMAND_BUFFER_COMMON_CROSS_RESOURCE_H_ |
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