@ -25,8 +25,12 @@
# include <sstream>
# include <vector>
# include <Corrade/Containers/Array.h>
# include <Corrade/Containers/Pair.h>
# include <Corrade/TestSuite/Tester.h>
# include <Corrade/TestSuite/Compare/Container.h>
# include <Corrade/Utility/DebugStl.h>
# include <Corrade/Utility/FormatStl.h>
# include "Magnum/Math/Range.h"
# include "Magnum/TextureTools/Atlas.h"
@ -40,13 +44,56 @@ struct AtlasTest: TestSuite::Tester {
void padding ( ) ;
void empty ( ) ;
void tooSmall ( ) ;
void arrayPowerOfTwoEmpty ( ) ;
void arrayPowerOfTwoSingleElement ( ) ;
void arrayPowerOfTwoAllSameElements ( ) ;
void arrayPowerOfTwoOneLayer ( ) ;
void arrayPowerOfTwoMoreLayers ( ) ;
void arrayPowerOfTwoWrongLayerSize ( ) ;
void arrayPowerOfTwoWrongSize ( ) ;
} ;
const struct {
const char * name ;
std : : size_t order [ 15 ] ;
} ArrayPowerOfTwoOneLayerData [ ] {
{ " sorted " ,
{ 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 } } ,
{ " " ,
/* Because there are duplicate sizes, the shuffling needs to preserve
the original order of duplicates to match the output */
{ 0 , 2 , 7 , 13 , 11 , 3 , 4 , 5 , 8 , 14 , 1 , 9 , 6 , 12 , 10 } } ,
} ;
const struct {
const char * name ;
Vector2i size ;
const char * message ;
} ArrayPowerOfTwoWrongSizeData [ ] {
{ " non-power-of-two " , { 128 , 127 } , " {128, 127} " } ,
{ " non-square " , { 128 , 256 } , " {128, 256} " } ,
{ " zero " , { 1024 , 0 } , " {1024, 0} " }
} ;
AtlasTest : : AtlasTest ( ) {
addTests ( { & AtlasTest : : basic ,
& AtlasTest : : padding ,
& AtlasTest : : empty ,
& AtlasTest : : tooSmall } ) ;
& AtlasTest : : tooSmall ,
& AtlasTest : : arrayPowerOfTwoEmpty ,
& AtlasTest : : arrayPowerOfTwoSingleElement ,
& AtlasTest : : arrayPowerOfTwoAllSameElements } ) ;
addInstancedTests ( { & AtlasTest : : arrayPowerOfTwoOneLayer } ,
Containers : : arraySize ( ArrayPowerOfTwoOneLayerData ) ) ;
addTests ( { & AtlasTest : : arrayPowerOfTwoMoreLayers } ) ;
addInstancedTests ( { & AtlasTest : : arrayPowerOfTwoWrongLayerSize ,
& AtlasTest : : arrayPowerOfTwoWrongSize } ,
Containers : : arraySize ( ArrayPowerOfTwoWrongSizeData ) ) ;
}
void AtlasTest : : basic ( ) {
@ -95,6 +142,167 @@ void AtlasTest::tooSmall() {
CORRADE_COMPARE ( o . str ( ) , " TextureTools::atlas(): requested atlas size Vector(64, 32) is too small to fit 3 Vector(25, 31) textures. Generated atlas will be empty. \n " ) ;
}
void AtlasTest : : arrayPowerOfTwoEmpty ( ) {
Containers : : Pair < Int , Containers : : Array < Vector3i > > out = atlasArrayPowerOfTwo ( { 128 , 128 } , { } ) ;
CORRADE_COMPARE ( out . first ( ) , 0 ) ;
CORRADE_COMPARE_AS ( out . second ( ) , Containers : : arrayView < Vector3i > ( {
} ) , TestSuite : : Compare : : Container ) ;
}
void AtlasTest : : arrayPowerOfTwoSingleElement ( ) {
Containers : : Pair < Int , Containers : : Array < Vector3i > > out = atlasArrayPowerOfTwo ( { 128 , 128 } , { { 128 , 128 } } ) ;
CORRADE_COMPARE ( out . first ( ) , 1 ) ;
CORRADE_COMPARE_AS ( out . second ( ) , Containers : : arrayView < Vector3i > ( {
{ 0 , 0 , 0 }
} ) , TestSuite : : Compare : : Container ) ;
}
void AtlasTest : : arrayPowerOfTwoAllSameElements ( ) {
Containers : : Pair < Int , Containers : : Array < Vector3i > > out = atlasArrayPowerOfTwo ( { 128 , 128 } , {
{ 64 , 64 } ,
{ 64 , 64 } ,
{ 64 , 64 } ,
{ 64 , 64 } ,
} ) ;
CORRADE_COMPARE ( out . first ( ) , 1 ) ;
CORRADE_COMPARE_AS ( out . second ( ) , Containers : : arrayView < Vector3i > ( {
{ 0 , 0 , 0 } ,
{ 64 , 0 , 0 } ,
{ 0 , 64 , 0 } ,
{ 64 , 64 , 0 }
} ) , TestSuite : : Compare : : Container ) ;
}
void AtlasTest : : arrayPowerOfTwoOneLayer ( ) {
auto & & data = ArrayPowerOfTwoOneLayerData [ testCaseInstanceId ( ) ] ;
setTestCaseDescription ( data . name ) ;
constexpr std : : size_t count = Containers : : arraySize ( ArrayPowerOfTwoOneLayerData - > order ) ;
const Vector2i inputSorted [ count ] {
{ 1024 , 1024 } , /* 0 */
{ 1024 , 1024 } , /* 1 */
{ 512 , 512 } , /* 2 */
{ 512 , 512 } , /* 3 */
{ 512 , 512 } , /* 4 */
{ 512 , 512 } , /* 5 */
{ 512 , 512 } , /* 6 */
{ 256 , 256 } , /* 7 */
{ 256 , 256 } , /* 8 */
{ 256 , 256 } , /* 9 */
{ 256 , 256 } , /* 10 */
{ 128 , 128 } , /* 11 */
{ 128 , 128 } , /* 12 */
{ 32 , 32 } , /* 13 */
{ 32 , 32 } /* 14 */
} ;
const Vector3i expectedSorted [ count ] {
{ 0 , 0 , 0 } ,
{ 1024 , 0 , 0 } ,
{ 0 , 1024 , 0 } ,
{ 512 , 1024 , 0 } ,
{ 0 , 1536 , 0 } ,
{ 512 , 1536 , 0 } ,
{ 1024 , 1024 , 0 } ,
{ 1536 , 1024 , 0 } ,
{ 1792 , 1024 , 0 } ,
{ 1536 , 1280 , 0 } ,
{ 1792 , 1280 , 0 } ,
{ 1024 , 1536 , 0 } ,
{ 1152 , 1536 , 0 } ,
{ 1024 , 1664 , 0 } ,
{ 1056 , 1664 , 0 }
} ;
Vector2i input [ count ] ;
Vector3i expected [ count ] ;
for ( std : : size_t i = 0 ; i ! = count ; + + i ) {
input [ i ] = inputSorted [ data . order [ i ] ] ;
expected [ i ] = expectedSorted [ data . order [ i ] ] ;
}
Containers : : Pair < Int , Containers : : Array < Vector3i > > out = atlasArrayPowerOfTwo ( { 2048 , 2048 } , input ) ;
CORRADE_COMPARE ( out . first ( ) , 1 ) ;
CORRADE_COMPARE_AS ( out . second ( ) ,
Containers : : ArrayView < const Vector3i > { expected } ,
TestSuite : : Compare : : Container ) ;
}
void AtlasTest : : arrayPowerOfTwoMoreLayers ( ) {
Containers : : Pair < Int , Containers : : Array < Vector3i > > out = atlasArrayPowerOfTwo ( { 2048 , 2048 } , {
{ 2048 , 2048 } ,
{ 1024 , 1024 } ,
{ 1024 , 1024 } ,
{ 1024 , 1024 } ,
{ 512 , 512 } ,
{ 512 , 512 } ,
{ 512 , 512 } ,
{ 512 , 512 } ,
{ 512 , 512 } ,
{ 256 , 256 } ,
{ 256 , 256 }
} ) ;
CORRADE_COMPARE ( out . first ( ) , 3 ) ;
CORRADE_COMPARE_AS ( out . second ( ) , Containers : : arrayView < Vector3i > ( {
{ 0 , 0 , 0 } ,
{ 0 , 0 , 1 } ,
{ 1024 , 0 , 1 } ,
{ 0 , 1024 , 1 } ,
{ 1024 , 1024 , 1 } ,
{ 1536 , 1024 , 1 } ,
{ 1024 , 1536 , 1 } ,
{ 1536 , 1536 , 1 } ,
{ 0 , 0 , 2 } ,
{ 512 , 0 , 2 } ,
{ 768 , 0 , 2 }
} ) , TestSuite : : Compare : : Container ) ;
}
void AtlasTest : : arrayPowerOfTwoWrongLayerSize ( ) {
auto & & data = ArrayPowerOfTwoWrongSizeData [ testCaseInstanceId ( ) ] ;
setTestCaseDescription ( data . name ) ;
# ifdef CORRADE_NO_ASSERT
CORRADE_SKIP ( " CORRADE_NO_ASSERT defined, can't test assertions " ) ;
# endif
std : : ostringstream out ;
Error redirectError { & out } ;
atlasArrayPowerOfTwo ( data . size , { } ) ;
CORRADE_COMPARE ( out . str ( ) , Utility : : formatString ( " TextureTools::atlasArrayPowerOfTwo(): expected layer size to be a non-zero power-of-two square, got {} \n " , data . message ) ) ;
}
void AtlasTest : : arrayPowerOfTwoWrongSize ( ) {
auto & & data = ArrayPowerOfTwoWrongSizeData [ testCaseInstanceId ( ) ] ;
setTestCaseDescription ( data . name ) ;
# ifdef CORRADE_NO_ASSERT
CORRADE_SKIP ( " CORRADE_NO_ASSERT defined, can't test assertions " ) ;
# endif
std : : ostringstream out ;
Error redirectError { & out } ;
atlasArrayPowerOfTwo ( { 256 , 256 } , {
{ 64 , 64 } ,
{ 128 , 128 } ,
data . size
} ) ;
CORRADE_COMPARE ( out . str ( ) , Utility : : formatString ( " TextureTools::atlasArrayPowerOfTwo(): expected size 2 to be a non-zero power-of-two square, got {} \n " , data . message ) ) ;
}
} } } }
CORRADE_TEST_MAIN ( Magnum : : TextureTools : : Test : : AtlasTest )
Vladimír Vondruš
4 years ago