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#include <SFML/Graphics/Image.hpp>
#include <SFML/Graphics/RectangleShape.hpp>
#include <SFML/Graphics/RenderTexture.hpp>
#include <SFML/Graphics/StencilMode.hpp>
#include <catch2/catch_test_macros.hpp>
#include <GraphicsUtil.hpp>
#include <WindowUtil.hpp>
TEST_CASE("[Graphics] Render Tests", runDisplayTests())
{
SECTION("Stencil Tests")
{
sf::RenderTexture renderTexture({100, 100}, sf::ContextSettings{0 /* depthBits */, 8 /* stencilBits */});
renderTexture.clear(sf::Color::Red, 127);
sf::RectangleShape shape1({100, 100});
shape1.setFillColor(sf::Color::Green);
sf::RectangleShape shape2({100, 100});
shape2.setFillColor(sf::Color::Blue);
SECTION("Stencil-Only")
{
renderTexture.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Keep, 1, 0xFF, true});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
}
SECTION("Comparisons")
{
SECTION("Always")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Keep, 1, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("Equal")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Keep, 126, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Keep, 127, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("Greater")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Greater, sf::StencilUpdateOperation::Keep, 126, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Greater, sf::StencilUpdateOperation::Keep, 127, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Greater, sf::StencilUpdateOperation::Keep, 128, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("GreaterEqual")
{
renderTexture.draw(shape1,
sf::StencilMode{sf::StencilComparison::GreaterEqual,
sf::StencilUpdateOperation::Keep,
126,
0xFF,
false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture.draw(shape1,
sf::StencilMode{sf::StencilComparison::GreaterEqual,
sf::StencilUpdateOperation::Keep,
127,
0xFF,
false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
renderTexture.draw(shape2,
sf::StencilMode{sf::StencilComparison::GreaterEqual,
sf::StencilUpdateOperation::Keep,
128,
0xFF,
false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Blue);
}
SECTION("Less")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Less, sf::StencilUpdateOperation::Keep, 128, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Less, sf::StencilUpdateOperation::Keep, 127, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Less, sf::StencilUpdateOperation::Keep, 126, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("LessEqual")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::LessEqual, sf::StencilUpdateOperation::Keep, 128, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::LessEqual, sf::StencilUpdateOperation::Keep, 127, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
renderTexture
.draw(shape2,
sf::StencilMode{sf::StencilComparison::LessEqual, sf::StencilUpdateOperation::Keep, 126, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Blue);
}
SECTION("Never")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Never, sf::StencilUpdateOperation::Keep, 127, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
}
SECTION("NotEqual")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::NotEqual, sf::StencilUpdateOperation::Keep, 127, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Red);
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::NotEqual, sf::StencilUpdateOperation::Keep, 128, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
}
SECTION("Updating")
{
SECTION("Decrement")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Decrement, 127, 0xFF, true});
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Decrement, 126, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("Increment")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Increment, 127, 0xFF, true});
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Increment, 128, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("Invert")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Invert, 127, 0xFF, true});
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Invert, 0x80, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("Keep")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Keep, 127, 0xFF, true});
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Keep, 127, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("Replace")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Replace, 255, 0xFF, true});
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Replace, 255, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
SECTION("Zero")
{
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Always, sf::StencilUpdateOperation::Zero, 127, 0xFF, true});
renderTexture
.draw(shape1,
sf::StencilMode{sf::StencilComparison::Equal, sf::StencilUpdateOperation::Zero, 0, 0xFF, false});
renderTexture.display();
CHECK(renderTexture.getTexture().copyToImage().getPixel({50, 50}) == sf::Color::Green);
}
}
}
}
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