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oops, very stupid thing i made there.

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This commit is contained in:
fgenesis 2012-06-15 04:23:22 +02:00
parent a5b5da6f4b
commit 0ea9ba0770
1 changed files with 7 additions and 5 deletions
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12
BBGE/Texture.cpp
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@ -821,7 +821,7 @@ static unsigned int clp2(unsigned int x)
unsigned char * Texture::getBufferAndSize(int *wparam, int *hparam, unsigned int *sizeparam)
{
unsigned char *data = NULL;
unsigned int size = 0;
unsigned int size = 0, allocsize = 0;
int tw = 0, th = 0;
int w = 0, h = 0;
@ -848,12 +848,13 @@ unsigned char * Texture::getBufferAndSize(int *wparam, int *hparam, unsigned int
h = h > th ? h : th;
}
size = w * h * 4 * textureMemoryMultiplier;
size = w * h * 4;
if (!size)
goto fail;
data = (unsigned char*)malloc(size + 32);
memcpy(data + size, "SAFE", 5);
allocsize = size * textureMemoryMultiplier;
data = (unsigned char*)malloc(allocsize + 32);
if (!data)
{
std::ostringstream os;
@ -861,11 +862,12 @@ unsigned char * Texture::getBufferAndSize(int *wparam, int *hparam, unsigned int
errorLog(os.str());
goto fail;
}
memcpy(data + allocsize, "SAFE", 5);
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
glBindTexture(GL_TEXTURE_2D, 0);
// Not sure but this might be the case with nouveau drivers on linux... still investigating. -- fg
if(memcmp(data + size, "SAFE", 5))
if(memcmp(data + allocsize, "SAFE", 5))
{
errorLog("Texture::getBufferAndSize(): Broken graphics driver! Wrote past end of buffer!");
free(data); // in case we are here, this will most likely cause a crash.