mesa: don't allocate memory in _mesa_unpack_depth_span if we don't need it

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák 2011-06-21 05:08:28 +02:00
parent 12c105b5de
commit 100a37587f

View file

@ -4683,7 +4683,7 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking )
{
GLfloat *depthTemp, *depthValues;
GLfloat *depthTemp = NULL, *depthValues;
GLboolean needClamp = GL_FALSE;
/* Look for special cases first.
@ -4729,16 +4729,16 @@ _mesa_unpack_depth_span( struct gl_context *ctx, GLuint n,
/* general case path follows */
depthTemp = (GLfloat *) malloc(n * sizeof(GLfloat));
if (!depthTemp) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
return;
}
if (dstType == GL_FLOAT) {
depthValues = (GLfloat *) dest;
}
else {
depthTemp = (GLfloat *) malloc(n * sizeof(GLfloat));
if (!depthTemp) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
return;
}
depthValues = depthTemp;
}