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◆ SDLTest_CompareMemory()
int SDLTest_CompareMemory |
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const void * | actual, |
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size_t | size_actual, |
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const void * | reference, |
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size_t | size_reference ) |
Compares 2 memory blocks for equality
- Parameters
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actual | Memory used in comparison, displayed on the left |
size_actual | Size of actual in bytes |
reference | Reference memory, displayed on the right |
size_reference | Size of reference in bytes |
- Returns
- 0 if the left and right memory block are equal, non-zero if they are non-equal.
- Since
- This function is available since SDL 3.2.0.
◆ SDLTest_CompareSurfaces()
Comparison function of SDL test framework.
This code is a part of the SDL test library, not the main SDL library. Compares a surface and with reference image data for equality
- Parameters
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surface | Surface used in comparison |
referenceSurface | Test Surface used in comparison |
allowable_error | Allowable difference (=sum of squared difference for each RGB component) in blending accuracy. |
- Returns
- 0 if comparison succeeded, >0 (=number of pixels for which the comparison failed) if comparison failed, -1 if any of the surfaces were NULL, -2 if the surface sizes differ.