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fix GL error with non-loaded texture

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This was typically reported as a shader error since this is one of the
few places actually using glGetError().
This commit is contained in:
fgenesis 2025-05-30 01:52:53 +02:00
parent cfd4a80bdc
commit 417972bea1
1 changed files with 6 additions and 0 deletions
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6
BBGE/Texture.cpp
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@ -61,6 +61,12 @@ Texture::~Texture()
void Texture::readRGBA(unsigned char *pixels) const void Texture::readRGBA(unsigned char *pixels) const
{ {
if(!gltexid)
{
memset(pixels, 0xff, sizeBytes());
return;
}
glPixelStorei(GL_PACK_ALIGNMENT, 1); glPixelStorei(GL_PACK_ALIGNMENT, 1);
glBindTexture(GL_TEXTURE_2D, gltexid); glBindTexture(GL_TEXTURE_2D, gltexid);
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels); glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);