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Fixed Texture::LoadFromXxx functions not working when loading a sub-rectangle of the image

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This commit is contained in:
Laurent Gomila 2011-08-16 08:11:36 +02:00
parent 541509d2a7
commit 9cda5d0474
1 changed files with 2 additions and 2 deletions
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4
src/SFML/Graphics/Texture.cpp
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@ -194,12 +194,12 @@ bool Texture::LoadFromImage(const Image& image, const IntRect& area)
if (Create(rectangle.Width, rectangle.Height)) if (Create(rectangle.Width, rectangle.Height))
{ {
// Copy the pixels to the texture, row by row // Copy the pixels to the texture, row by row
const Uint8* pixels = image.GetPixelsPtr() + rectangle.Left + (width * rectangle.Top); const Uint8* pixels = image.GetPixelsPtr() + 4 * (rectangle.Left + (width * rectangle.Top));
GLCheck(glBindTexture(GL_TEXTURE_2D, myTexture)); GLCheck(glBindTexture(GL_TEXTURE_2D, myTexture));
for (int i = 0; i < rectangle.Height; ++i) for (int i = 0; i < rectangle.Height; ++i)
{ {
GLCheck(glTexSubImage2D(GL_TEXTURE_2D, 0, 0, i, myWidth, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixels)); GLCheck(glTexSubImage2D(GL_TEXTURE_2D, 0, 0, i, myWidth, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixels));
pixels += width; pixels += 4 * width;
} }
return true; return true;