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Fixed texture being upside down on Android when copying the texture of a RenderTexture

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Bruno Van de Velde 2023-10-04 08:24:49 +02:00 committed by Chris Thrasher
parent fb88d1a8b3
commit 67c9019eda
1 changed files with 17 additions and 0 deletions
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17
src/SFML/Graphics/Texture.cpp
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@ -35,6 +35,7 @@
#include <SFML/System/Err.hpp>
#include <algorithm>
#include <atomic>
#include <ostream>
#include <utility>
@ -400,6 +401,22 @@ Image Texture::copyToImage() const
glCheck(GLEXT_glDeleteFramebuffers(1, &frameBuffer));
glCheck(GLEXT_glBindFramebuffer(GLEXT_GL_FRAMEBUFFER, static_cast<GLuint>(previousFrameBuffer)));
if (m_pixelsFlipped)
{
// Flip the texture vertically
const auto stride = static_cast<std::ptrdiff_t>(m_size.x * 4);
auto currentRowIterator = pixels.begin();
auto nextRowIterator = pixels.begin() + stride;
auto reverseRowIterator = pixels.begin() + (stride * static_cast<std::ptrdiff_t>(m_size.y - 1));
for (unsigned int i = 0; i < m_size.y / 2; ++i)
{
std::swap_ranges(currentRowIterator, nextRowIterator, reverseRowIterator);
currentRowIterator = nextRowIterator;
nextRowIterator += stride;
reverseRowIterator -= stride;
}
}
}
#else