@ -23,10 +23,12 @@
DEALINGS IN THE SOFTWARE .
*/
# include <sstream>
# include <Corrade/Containers/Optional.h>
# include <Corrade/Containers/StridedArrayView.h>
# include <Corrade/PluginManager/Manager.h>
# include <Corrade/Utility/Directory.h>
# include <Corrade/Utility/DebugStl.h>
# include "Magnum/Image.h"
# include "Magnum/ImageView.h"
@ -60,6 +62,8 @@ struct DistanceFieldVectorGLTest: GL::OpenGLTester {
template < UnsignedInt dimensions > void construct ( ) ;
template < UnsignedInt dimensions > void constructMove ( ) ;
template < UnsignedInt dimensions > void setTextureMatrixNotEnabled ( ) ;
void renderSetup ( ) ;
void renderTeardown ( ) ;
@ -94,21 +98,46 @@ using namespace Math::Literals;
constexpr struct {
const char * name ;
DistanceFieldVector2D : : Flags flags ;
} ConstructData [ ] {
{ " " , { } } ,
{ " texture transformation " , DistanceFieldVector2D : : Flag : : TextureTransformation }
} ;
const struct {
const char * name ;
DistanceFieldVector2D : : Flags flags ;
Matrix3 textureTransformation ;
Color4 color , outlineColor ;
Float outlineRangeStart , outlineRangeEnd , smoothness ;
const char * file2D ;
const char * file3D ;
bool flip ;
} RenderData [ ] {
{ " smooth0.1 " , 0.5f , 1.0f , 0.1f , " smooth0.1-2D.tga " , " smooth0.1-3D.tga " } ,
{ " smooth0.2 " , 0.5f , 1.0f , 0.2f , " smooth0.2-2D.tga " , " smooth0.2-3D.tga " } ,
{ " outline " , 0.6f , 0.45f , 0.05f , " outline2D.tga " , " outline3D.tga " }
{ " texture transformation " , DistanceFieldVector2D : : Flag : : TextureTransformation ,
Matrix3 : : translation ( Vector2 { 1.0f } ) * Matrix3 : : scaling ( Vector2 { - 1.0f } ) ,
0xffffff _rgbf , 0x00000000 _rgbaf , 0.5f , 1.0f , 0.04f ,
" defaults-distancefield.tga " , " defaults-distancefield.tga " , true } ,
{ " smooth0.1 " , { } , { } , 0xffff99 _rgbf , 0x9999ff _rgbf , 0.5f , 1.0f , 0.1f ,
" smooth0.1-2D.tga " , " smooth0.1-3D.tga " , false } ,
{ " smooth0.2 " , { } , { } , 0xffff99 _rgbf , 0x9999ff _rgbf , 0.5f , 1.0f , 0.2f ,
" smooth0.2-2D.tga " , " smooth0.2-3D.tga " , false } ,
{ " outline " , { } , { } , 0xffff99 _rgbf , 0x9999ff _rgbf , 0.6f , 0.45f , 0.05f ,
" outline2D.tga " , " outline3D.tga " , false }
} ;
DistanceFieldVectorGLTest : : DistanceFieldVectorGLTest ( ) {
addTests < DistanceFieldVectorGLTest > ( {
addInstanced Tests < DistanceFieldVectorGLTest > ( {
& DistanceFieldVectorGLTest : : construct < 2 > ,
& DistanceFieldVectorGLTest : : construct < 3 > ,
& DistanceFieldVectorGLTest : : construct < 3 > } ,
Containers : : arraySize ( ConstructData ) ) ;
addTests < DistanceFieldVectorGLTest > ( {
& DistanceFieldVectorGLTest : : constructMove < 2 > ,
& DistanceFieldVectorGLTest : : constructMove < 3 > } ) ;
& DistanceFieldVectorGLTest : : constructMove < 3 > ,
& DistanceFieldVectorGLTest : : setTextureMatrixNotEnabled < 2 > ,
& DistanceFieldVectorGLTest : : setTextureMatrixNotEnabled < 3 > } ) ;
addTests ( { & DistanceFieldVectorGLTest : : renderDefaults2D ,
& DistanceFieldVectorGLTest : : renderDefaults3D } ,
@ -148,7 +177,11 @@ DistanceFieldVectorGLTest::DistanceFieldVectorGLTest() {
template < UnsignedInt dimensions > void DistanceFieldVectorGLTest : : construct ( ) {
setTestCaseTemplateName ( std : : to_string ( dimensions ) ) ;
DistanceFieldVector < dimensions > shader ;
auto & & data = ConstructData [ testCaseInstanceId ( ) ] ;
setTestCaseDescription ( data . name ) ;
DistanceFieldVector < dimensions > shader { data . flags } ;
CORRADE_COMPARE ( shader . flags ( ) , data . flags ) ;
CORRADE_VERIFY ( shader . id ( ) ) ;
{
# ifdef CORRADE_TARGET_APPLE
@ -163,7 +196,7 @@ template<UnsignedInt dimensions> void DistanceFieldVectorGLTest::construct() {
template < UnsignedInt dimensions > void DistanceFieldVectorGLTest : : constructMove ( ) {
setTestCaseTemplateName ( std : : to_string ( dimensions ) ) ;
DistanceFieldVector < dimensions > a ;
DistanceFieldVector < dimensions > a { DistanceFieldVector < dimensions > : : Flag : : TextureTransformation } ;
const GLuint id = a . id ( ) ;
CORRADE_VERIFY ( id ) ;
@ -171,14 +204,29 @@ template<UnsignedInt dimensions> void DistanceFieldVectorGLTest::constructMove()
DistanceFieldVector < dimensions > b { std : : move ( a ) } ;
CORRADE_COMPARE ( b . id ( ) , id ) ;
CORRADE_COMPARE ( b . flags ( ) , DistanceFieldVector < dimensions > : : Flag : : TextureTransformation ) ;
CORRADE_VERIFY ( ! a . id ( ) ) ;
DistanceFieldVector < dimensions > c { NoCreate } ;
c = std : : move ( b ) ;
CORRADE_COMPARE ( c . id ( ) , id ) ;
CORRADE_COMPARE ( c . flags ( ) , DistanceFieldVector < dimensions > : : Flag : : TextureTransformation ) ;
CORRADE_VERIFY ( ! b . id ( ) ) ;
}
template < UnsignedInt dimensions > void DistanceFieldVectorGLTest : : setTextureMatrixNotEnabled ( ) {
setTestCaseTemplateName ( std : : to_string ( dimensions ) ) ;
std : : ostringstream out ;
Error redirectError { & out } ;
DistanceFieldVector < dimensions > shader ;
shader . setTextureMatrix ( { } ) ;
CORRADE_COMPARE ( out . str ( ) ,
" Shaders::DistanceFieldVector::setTextureMatrix(): the shader was not created with texture transformation enabled \n " ) ;
}
constexpr Vector2i RenderSize { 80 , 80 } ;
void DistanceFieldVectorGLTest : : renderSetup ( ) {
@ -355,18 +403,30 @@ void DistanceFieldVectorGLTest::render2D() {
. setSubImage ( 0 , { } , * image ) ;
# endif
DistanceFieldVector2D { }
DistanceFieldVector2D shader { data . flags } ;
shader
/** @todo implement background color */
. setColor ( 0xffff99 _rgbf )
. setOutlineColor ( 0x9999ff _rgbf )
. setColor ( data . color )
. setOutlineColor ( data . outlineColor )
. setOutlineRange ( data . outlineRangeStart , data . outlineRangeEnd )
. setSmoothness ( data . smoothness )
. setTransformationProjectionMatrix ( Matrix3 : : projection ( { 2.1f , 2.1f } ) )
. bindVectorTexture ( texture )
. draw ( square ) ;
. bindVectorTexture ( texture ) ;
if ( data . textureTransformation ! = Matrix3 { } )
shader . setTextureMatrix ( data . textureTransformation ) ;
else shader . setTransformationProjectionMatrix (
Matrix3 : : projection ( { 2.1f , 2.1f } ) ) ;
shader . draw ( square ) ;
MAGNUM_VERIFY_NO_GL_ERROR ( ) ;
Image2D rendered = _framebuffer . read ( _framebuffer . viewport ( ) , { PixelFormat : : RGBA8Unorm } ) ;
/* Dropping the alpha channel, as it's always 1.0 */
Containers : : StridedArrayView2D < Color3ub > pixels =
Containers : : arrayCast < Color3ub > ( rendered . pixels < Color4ub > ( ) ) ;
if ( data . flip ) pixels = pixels . flipped < 0 > ( ) . flipped < 1 > ( ) ;
# if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL))
/* SwiftShader has off-by-one differences when smoothing, Apple A8 a bit
more . */
@ -375,9 +435,7 @@ void DistanceFieldVectorGLTest::render2D() {
/* WebGL 1 doesn't have 8bit renderbuffer storage, so it's way worse */
const Float maxThreshold = 17.0f , meanThreshold = 2.386f ;
# endif
CORRADE_COMPARE_WITH (
/* Dropping the alpha channel, as it's always 1.0 */
Containers : : arrayCast < Color3ub > ( _framebuffer . read ( _framebuffer . viewport ( ) , { PixelFormat : : RGBA8Unorm } ) . pixels < Color4ub > ( ) ) ,
CORRADE_COMPARE_WITH ( pixels ,
Utility : : Directory : : join ( { _testDir , " VectorTestFiles " , data . file2D } ) ,
( DebugTools : : CompareImageToFile { _manager , maxThreshold , meanThreshold } ) ) ;
}
@ -411,22 +469,33 @@ void DistanceFieldVectorGLTest::render3D() {
. setSubImage ( 0 , { } , * image ) ;
# endif
DistanceFieldVector3D { }
DistanceFieldVector3D shader { data . flags } ;
shader
/** @todo implement background color */
. setColor ( 0xffff99 _rgbf )
. setOutlineColor ( 0x9999ff _rgbf )
. setColor ( data . color )
. setOutlineColor ( data . outlineColor )
. setOutlineRange ( data . outlineRangeStart , data . outlineRangeEnd )
. setSmoothness ( data . smoothness )
. setTransformationProjectionMatrix (
Matrix4 : : perspectiveProjection ( 60.0 _degf , 1.0f , 0.1f , 10.0f ) *
Matrix4 : : translation ( Vector3 : : zAxis ( - 2.15f ) ) *
Matrix4 : : rotationY ( - 15.0 _degf ) *
Matrix4 : : rotationZ ( 15.0 _degf ) )
. bindVectorTexture ( texture )
. draw ( plane ) ;
. bindVectorTexture ( texture ) ;
if ( data . textureTransformation ! = Matrix3 { } )
shader . setTextureMatrix ( data . textureTransformation ) ;
else shader . setTransformationProjectionMatrix (
Matrix4 : : perspectiveProjection ( 60.0 _degf , 1.0f , 0.1f , 10.0f ) *
Matrix4 : : translation ( Vector3 : : zAxis ( - 2.15f ) ) *
Matrix4 : : rotationY ( - 15.0 _degf ) *
Matrix4 : : rotationZ ( 15.0 _degf ) ) ;
shader . draw ( plane ) ;
MAGNUM_VERIFY_NO_GL_ERROR ( ) ;
Image2D rendered = _framebuffer . read ( _framebuffer . viewport ( ) , { PixelFormat : : RGBA8Unorm } ) ;
/* Dropping the alpha channel, as it's always 1.0 */
Containers : : StridedArrayView2D < Color3ub > pixels =
Containers : : arrayCast < Color3ub > ( rendered . pixels < Color4ub > ( ) ) ;
if ( data . flip ) pixels = pixels . flipped < 0 > ( ) . flipped < 1 > ( ) ;
# if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL))
/* SwiftShader has off-by-one differences when smoothing plus a bunch of
different pixels on primitive edges , Apple A8 a bit more . */
@ -435,9 +504,7 @@ void DistanceFieldVectorGLTest::render3D() {
/* WebGL 1 doesn't have 8bit renderbuffer storage, so it's way worse */
const Float maxThreshold = 17.0f , meanThreshold = 1.613f ;
# endif
CORRADE_COMPARE_WITH (
/* Dropping the alpha channel, as it's always 1.0 */
Containers : : arrayCast < Color3ub > ( _framebuffer . read ( _framebuffer . viewport ( ) , { PixelFormat : : RGBA8Unorm } ) . pixels < Color4ub > ( ) ) ,
CORRADE_COMPARE_WITH ( pixels ,
Utility : : Directory : : join ( { _testDir , " VectorTestFiles " , data . file3D } ) ,
( DebugTools : : CompareImageToFile { _manager , maxThreshold , meanThreshold } ) ) ;
}
Vladimír Vondruš
6 years ago